refactor(backend): reorganize domains into Core, Commerce, Ticketing and Shared

app/Domains/Commerce/Cart/Controllers/CartController.php

@@ -0,0 +1,89 @@
+<?php
+
+namespace App\Domains\Cart\Controllers;
+
+use App\Domains\Cart\Models\CartItem;
+use App\Domains\Cart\Requests\AddCartItemRequest;
+use App\Domains\Cart\Requests\UpdateCartItemQuantityRequest;
+use App\Domains\Cart\Resources\CartResource;
+use App\Domains\Cart\Services\CartService;
+use App\Domains\Tenant\Models\Tenant;
+use App\Http\Controllers\Controller;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class CartController extends Controller
+{
+    public function __construct(
+        protected CartService $cartService,
+    ) {}
+
+    public function show(Request $request, Tenant $tenant): CartResource
+    {
+        return CartResource::make($this->cartService->show($tenant, $request));
+    }
+
+    public function addItem(AddCartItemRequest $request, Tenant $tenant): JsonResponse
+    {
+        $result = $this->cartService->addItem(
+            $tenant,
+            $request,
+            (int) $request->validated('catalog_item_id'),
+            $request->validated('variant_id') !== null
+                ? (int) $request->validated('variant_id')
+                : null,
+            (int) $request->validated('cantidad'),
+        );
+
+        $response = CartResource::make($result['cart'])
+            ->additional([
+                'code' => 'cart.item_added',
+                'message' => __('api.cart.item_added'),
+            ])
+            ->response();
+
+        if ($result['guest_token'] !== null) {
+            $response->withCookie($this->cartService->makeGuestTokenCookie($result['guest_token']));
+        }
+
+        return $response;
+    }
+
+    public function updateItemQuantity(
+        UpdateCartItemQuantityRequest $request,
+        Tenant $tenant,
+        CartItem $cartItem,
+    ): CartResource {
+        $updatesVariant = $request->exists('variant_id');
+
+        return CartResource::make(
+            $this->cartService->updateItem(
+                $tenant,
+                $request,
+                $cartItem->getKey(),
+                (int) $request->validated('cantidad'),
+                $updatesVariant
+                    ? ($request->validated('variant_id') !== null
+                        ? (int) $request->validated('variant_id')
+                        : null)
+                    : $cartItem->variant_id,
+                $updatesVariant,
+            )
+        )->additional([
+            'code' => $updatesVariant ? 'cart.item_updated' : 'cart.quantity_updated',
+            'message' => $updatesVariant
+                ? __('api.cart.item_updated')
+                : __('api.cart.quantity_updated'),
+        ]);
+    }
+
+    public function removeItem(Request $request, Tenant $tenant, CartItem $cartItem): CartResource
+    {
+        return CartResource::make(
+            $this->cartService->removeItem($tenant, $request, $cartItem->getKey())
+        )->additional([
+            'code' => 'cart.item_removed',
+            'message' => __('api.cart.item_removed'),
+        ]);
+    }
+}

app/Domains/Commerce/Cart/Models/Cart.php

@@ -0,0 +1,494 @@
+<?php
+
+namespace App\Domains\Cart\Models;
+
+use App\Domains\Auth\Models\User;
+use App\Domains\Catalog\Models\CatalogItem;
+use App\Domains\Catalog\Models\Inventory;
+use App\Domains\Catalog\Models\StockReservation;
+use App\Domains\Catalog\Models\Variant;
+use App\Domains\Catalog\Services\CatalogInventoryService;
+use App\Domains\Catalog\Services\StockReservationService;
+use App\Domains\Purchase\Models\Purchase;
+use App\Domains\Purchase\Services\UserPurchaseLimitService;
+use App\Domains\Tenant\Models\Tenant;
+use Illuminate\Database\Eloquent\Attributes\Fillable;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Database\Eloquent\SoftDeletes;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Validation\ValidationException;
+use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
+
+#[Fillable([
+    'tenant_codigo',
+    'user_id',
+    'guest_token',
+    'status',
+    'origin',
+    'current_purchase_id',
+    'current_stock_reservation_id',
+])]
+class Cart extends Model
+{
+    use HasFactory;
+    use SoftDeletes;
+
+    protected $table = 'carritos';
+
+    public const STATUS_ACTIVE = 'active';
+
+    public const STATUS_CHECKOUT = 'checkout';
+
+    public const STATUS_CONVERTED = 'converted';
+
+    public const STATUS_EXPIRED = 'expired';
+
+    public const STATUS_ABANDONED = 'abandoned';
+
+    public const ORIGIN_USER = 'user';
+
+    public const ORIGIN_DIRECT_CHECKOUT = 'direct_checkout';
+
+    protected function casts(): array
+    {
+        return [
+            'user_id' => 'integer',
+            'current_purchase_id' => 'integer',
+            'current_stock_reservation_id' => 'integer',
+        ];
+    }
+
+    /**
+     * @return BelongsTo<Tenant, $this>
+     */
+    public function tenant(): BelongsTo
+    {
+        return $this->belongsTo(Tenant::class, 'tenant_codigo', 'codigo');
+    }
+
+    /**
+     * @return BelongsTo<User, $this>
+     */
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+
+    /**
+     * @return HasMany<CartItem, $this>
+     */
+    public function items(): HasMany
+    {
+        return $this->hasMany(CartItem::class, 'cart_id');
+    }
+
+    /** @return HasMany<Purchase, $this> */
+    public function purchases(): HasMany
+    {
+        return $this->hasMany(Purchase::class, 'cart_id');
+    }
+
+    /** @return BelongsTo<Purchase, $this> */
+    public function currentPurchase(): BelongsTo
+    {
+        return $this->belongsTo(Purchase::class, 'current_purchase_id');
+    }
+
+    /** @return BelongsTo<StockReservation, $this> */
+    public function currentStockReservation(): BelongsTo
+    {
+        return $this->belongsTo(
+            StockReservation::class,
+            'current_stock_reservation_id',
+        );
+    }
+
+    public function getTotalAmount(): float
+    {
+        $items = $this->relationLoaded('items')
+            ? $this->getRelation('items')
+            : $this->items()->with(['catalogItem', 'variant'])->get();
+
+        return (float) $items->reduce(
+            fn (float $carry, CartItem $item): float => $carry
+                + (($item->selectedItem()?->getPrice() ?? 0) * $item->cantidad),
+            0.0,
+        );
+    }
+
+    public function addItem(int $catalogItemId, ?int $variantId, int $quantity): CartItem
+    {
+        if ($quantity <= 0) {
+            throw ValidationException::withMessages([
+                'cantidad' => __('api.cart.positive_quantity'),
+            ]);
+        }
+
+        return DB::transaction(function () use ($catalogItemId, $variantId, $quantity): CartItem {
+            $this->invalidateCurrentCheckout();
+            app(StockReservationService::class)->assertCartReservationUsable($this);
+            $selectedItem = $this->resolveScopedItem($catalogItemId, $variantId, true);
+            $cartQuantity = (int) $this->items()
+                ->where('catalog_item_id', $catalogItemId)
+                ->sum('cantidad');
+            $inventoryService = app(CatalogInventoryService::class);
+            $availableQuantity = $inventoryService->availableQuantity($selectedItem);
+            $this->assertUserPurchaseLimit(
+                $selectedItem,
+                $cartQuantity + $quantity,
+                heldQuantity: $cartQuantity,
+                maximumAddableCeiling: $availableQuantity,
+            );
+
+            if ($availableQuantity !== null && $availableQuantity < $quantity) {
+                throw ValidationException::withMessages([
+                    'cantidad' => __('api.cart.insufficient_stock', ['max' => $availableQuantity]),
+                ]);
+            }
+
+            /** @var CartItem|null $item */
+            $item = $this->items()
+                ->where('catalog_item_id', $catalogItemId)
+                ->where('variant_id', $variantId)
+                ->lockForUpdate()
+                ->first();
+
+            if ($item === null) {
+                $item = $this->items()->create([
+                    'catalog_item_id' => $catalogItemId,
+                    'variant_id' => $variantId,
+                    'cantidad' => $quantity,
+                ]);
+            } else {
+                $item->cantidad += $quantity;
+                $item->save();
+            }
+
+            app(StockReservationService::class)->syncCart($this);
+
+            return $item->fresh();
+        });
+    }
+
+    public function updateItem(
+        int $cartItemId,
+        int $quantity,
+        ?int $variantId = null,
+        bool $updateVariant = false,
+        ?int $excludedPurchaseId = null,
+    ): CartItem {
+        if ($quantity <= 0) {
+            throw ValidationException::withMessages([
+                'cantidad' => __('api.cart.positive_quantity'),
+            ]);
+        }
+
+        return DB::transaction(function () use (
+            $cartItemId,
+            $quantity,
+            $variantId,
+            $updateVariant,
+            $excludedPurchaseId,
+        ): CartItem {
+            $this->invalidateCurrentCheckout();
+            app(StockReservationService::class)->assertCartReservationUsable($this);
+
+            /** @var CartItem $item */
+            $item = $this->items()
+                ->where('id', $cartItemId)
+                ->lockForUpdate()
+                ->firstOrFail();
+
+            $currentSelection = $this->resolveScopedItem(
+                $item->catalog_item_id,
+                $item->variant_id,
+                true,
+            );
+            $inventoryService = app(CatalogInventoryService::class);
+
+            if ($updateVariant && $variantId !== $item->variant_id) {
+                $nextSelection = $this->resolveScopedItem(
+                    $item->catalog_item_id,
+                    $variantId,
+                    true,
+                );
+                $otherVariantsQuantity = (int) $this->items()
+                    ->where('catalog_item_id', $item->catalog_item_id)
+                    ->whereKeyNot($item->getKey())
+                    ->sum('cantidad');
+                $nextAvailableQuantity = $inventoryService->availableQuantity($nextSelection);
+                $this->assertUserPurchaseLimit(
+                    $nextSelection,
+                    $otherVariantsQuantity + $quantity,
+                    $excludedPurchaseId,
+                    $otherVariantsQuantity + $item->cantidad,
+                    $nextAvailableQuantity,
+                );
+
+                $availableQuantity = $inventoryService->availableQuantity($nextSelection);
+
+                if ($availableQuantity !== null && $availableQuantity < $quantity) {
+                    throw ValidationException::withMessages([
+                        'variant_id' => __('api.cart.insufficient_stock', ['max' => $availableQuantity]),
+                    ]);
+                }
+
+                $targetItem = $this->items()
+                    ->where('catalog_item_id', $item->catalog_item_id)
+                    ->where('variant_id', $variantId)
+                    ->whereKeyNot($item->getKey())
+                    ->lockForUpdate()
+                    ->first();
+
+                if ($targetItem !== null) {
+                    $targetItem->cantidad += $quantity;
+                    $targetItem->save();
+                    $item->delete();
+                    app(StockReservationService::class)->syncCart($this);
+
+                    return $targetItem->fresh();
+                }
+
+                $item->variant_id = $variantId;
+                $item->cantidad = $quantity;
+                $item->save();
+                app(StockReservationService::class)->syncCart($this);
+
+                return $item->fresh();
+            }
+
+            $delta = $quantity - $item->cantidad;
+            $availableQuantity = $inventoryService->availableQuantity($currentSelection);
+
+            if ($delta > 0) {
+                $otherVariantsQuantity = (int) $this->items()
+                    ->where('catalog_item_id', $item->catalog_item_id)
+                    ->whereKeyNot($item->getKey())
+                    ->sum('cantidad');
+                $this->assertUserPurchaseLimit(
+                    $currentSelection,
+                    $otherVariantsQuantity + $quantity,
+                    $excludedPurchaseId,
+                    $otherVariantsQuantity + $item->cantidad,
+                    $availableQuantity,
+                );
+            }
+
+            if ($delta > 0 && $availableQuantity !== null && $availableQuantity < $delta) {
+                $maxAvailable = $availableQuantity + $item->cantidad;
+                throw ValidationException::withMessages([
+                    'cantidad' => __('api.cart.max_quantity', ['max' => $maxAvailable]),
+                ]);
+            }
+
+            $item->cantidad = $quantity;
+            $item->save();
+            app(StockReservationService::class)->syncCart($this);
+
+            return $item->fresh();
+        });
+    }
+
+    public function removeItem(int $cartItemId): void
+    {
+        DB::transaction(function () use ($cartItemId): void {
+            $this->invalidateCurrentCheckout();
+            app(StockReservationService::class)->assertCartReservationUsable($this);
+
+            /** @var CartItem $item */
+            $item = $this->items()
+                ->where('id', $cartItemId)
+                ->lockForUpdate()
+                ->firstOrFail();
+
+            $item->delete();
+            app(StockReservationService::class)->syncCart($this);
+        });
+    }
+
+    private function invalidateCurrentCheckout(): void
+    {
+        $candidatePurchaseId = self::query()
+            ->whereKey($this->getKey())
+            ->value('current_purchase_id');
+        $currentPurchase = $candidatePurchaseId === null
+            ? null
+            : Purchase::query()->lockForUpdate()->find($candidatePurchaseId);
+
+        /** @var self $cart */
+        $cart = self::query()->lockForUpdate()->findOrFail($this->getKey());
+
+        if ($cart->current_purchase_id !== $candidatePurchaseId) {
+            if ($cart->current_purchase_id !== null) {
+                throw ValidationException::withMessages([
+                    'cart' => __('api.purchase.checkout_in_progress'),
+                ]);
+            }
+
+            $this->current_purchase_id = null;
+
+            return;
+        }
+
+        if ($currentPurchase === null) {
+            return;
+        }
+
+        if ($currentPurchase->status === Purchase::STATUS_PAID) {
+            throw ValidationException::withMessages([
+                'cart' => __('api.cart.editing_disabled'),
+            ]);
+        }
+
+        if (in_array($currentPurchase->status, [
+            Purchase::STATUS_CREATED,
+            Purchase::STATUS_PENDING_PAYMENT,
+        ], true)) {
+            app(StockReservationService::class)->returnToCart($currentPurchase, $cart);
+            $currentPurchase->update([
+                'status' => Purchase::STATUS_SUPERSEDED,
+            ]);
+
+            $this->current_purchase_id = null;
+
+            return;
+        }
+
+        app(StockReservationService::class)->releaseForPurchase(
+            $currentPurchase,
+            reason: StockReservationService::REASON_PURCHASE_SUPERSEDED,
+        );
+        self::query()
+            ->whereKey($cart->getKey())
+            ->where('current_purchase_id', $currentPurchase->getKey())
+            ->update(['current_purchase_id' => null]);
+        $this->current_purchase_id = null;
+    }
+
+    protected function resolveScopedItem(
+        int $catalogItemId,
+        ?int $variantId,
+        bool $lockForUpdate = false,
+    ): CatalogItem|Variant {
+        $catalogItemQuery = CatalogItem::query()
+            ->whereKey($catalogItemId)
+            ->where('tenant_code', $this->tenant_codigo);
+
+        if ($lockForUpdate) {
+            $catalogItemQuery->lockForUpdate();
+        }
+
+        $catalogItem = $catalogItemQuery->first();
+
+        if ($catalogItem === null) {
+            throw new NotFoundHttpException('Catalog item not found for tenant.');
+        }
+
+        if ($catalogItem->isBundle()) {
+            if ($variantId !== null) {
+                throw ValidationException::withMessages([
+                    'variant_id' => __('api.cart.bundle_variant_forbidden'),
+                ]);
+            }
+
+            if (! $catalogItem->bundleComponents()->exists()) {
+                throw ValidationException::withMessages([
+                    'catalog_item_id' => __('api.cart.empty_bundle'),
+                ]);
+            }
+
+            if ($catalogItem->bundleComponents()
+                ->whereNotNull('component_variant_id')
+                ->whereHas('variant', fn ($query) => $query
+                    ->whereNotNull('sales_disabled_at')
+                    ->orWhereNotNull('replaced_by_variant_id'))
+                ->exists()) {
+                throw ValidationException::withMessages([
+                    'catalog_item_id' => [__('api.cart.bundle_component_unavailable')],
+                ]);
+            }
+
+            return $catalogItem;
+        }
+
+        if ($variantId === null) {
+            if ($catalogItem->inventory_id === null) {
+                throw ValidationException::withMessages([
+                    'variant_id' => __('api.cart.variant_required'),
+                ]);
+            }
+
+            $inventory = $this->resolveInventory($catalogItem->inventory_id, $lockForUpdate);
+            $catalogItem->setRelation('inventory', $inventory);
+
+            return $catalogItem;
+        }
+
+        $variantQuery = Variant::query()
+            ->whereKey($variantId)
+            ->where('catalog_item_id', $catalogItem->id);
+
+        if ($lockForUpdate) {
+            $variantQuery->lockForUpdate();
+        }
+
+        $variant = $variantQuery->first();
+
+        if ($variant === null) {
+            throw new NotFoundHttpException('Variant not found for catalog item.');
+        }
+
+        if (! $variant->isSellable()) {
+            throw ValidationException::withMessages([
+                'variant_id' => [__('api.cart.variant_unavailable')],
+            ]);
+        }
+
+        $inventory = $this->resolveInventory($variant->inventory_id, $lockForUpdate);
+        $variant->setRelation('catalogItem', $catalogItem);
+        $variant->setRelation('inventory', $inventory);
+
+        return $variant;
+    }
+
+    private function assertUserPurchaseLimit(
+        CatalogItem|Variant $selectedItem,
+        int $cartQuantity,
+        ?int $excludedPurchaseId = null,
+        int $heldQuantity = 0,
+        ?int $maximumAddableCeiling = null,
+    ): void {
+        if ($this->user_id === null) {
+            return;
+        }
+
+        $catalogItem = $selectedItem instanceof Variant
+            ? $selectedItem->catalogItem
+            : $selectedItem;
+
+        app(UserPurchaseLimitService::class)->assertCanPurchase(
+            $catalogItem,
+            $this->user_id,
+            $cartQuantity,
+            $excludedPurchaseId,
+            $this->getKey(),
+            $heldQuantity,
+            $maximumAddableCeiling,
+            field: 'cantidad',
+        );
+    }
+
+    protected function resolveInventory(int $inventoryId, bool $lockForUpdate): Inventory
+    {
+        $query = Inventory::query()->whereKey($inventoryId);
+
+        if ($lockForUpdate) {
+            $query->lockForUpdate();
+        }
+
+        return $query->firstOrFail();
+    }
+}

app/Domains/Commerce/Cart/Models/CartItem.php

@@ -0,0 +1,58 @@
+<?php
+
+namespace App\Domains\Cart\Models;
+
+use App\Domains\Catalog\Models\CatalogItem;
+use App\Domains\Catalog\Models\Variant;
+use Illuminate\Database\Eloquent\Attributes\Fillable;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+#[Fillable([
+    'cart_id',
+    'catalog_item_id',
+    'variant_id',
+    'cantidad',
+])]
+class CartItem extends Model
+{
+    use HasFactory;
+
+    protected $table = 'carrito_items';
+
+    protected function casts(): array
+    {
+        return [
+            'cart_id' => 'integer',
+            'catalog_item_id' => 'integer',
+            'variant_id' => 'integer',
+            'cantidad' => 'integer',
+        ];
+    }
+
+    /**
+     * @return BelongsTo<Cart, $this>
+     */
+    public function cart(): BelongsTo
+    {
+        return $this->belongsTo(Cart::class, 'cart_id');
+    }
+
+    /** @return BelongsTo<CatalogItem, $this> */
+    public function catalogItem(): BelongsTo
+    {
+        return $this->belongsTo(CatalogItem::class);
+    }
+
+    /** @return BelongsTo<Variant, $this> */
+    public function variant(): BelongsTo
+    {
+        return $this->belongsTo(Variant::class);
+    }
+
+    public function selectedItem(): CatalogItem|Variant|null
+    {
+        return $this->variant ?? $this->catalogItem;
+    }
+}

app/Domains/Commerce/Cart/Requests/AddCartItemRequest.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace App\Domains\Cart\Requests;
+
+use Illuminate\Foundation\Http\FormRequest;
+use Illuminate\Validation\Rule;
+
+class AddCartItemRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    /**
+     * @return array<string, mixed>
+     */
+    public function rules(): array
+    {
+        $tenantCode = $this->route('tenant')?->codigo;
+
+        return [
+            'catalog_item_id' => [
+                'required',
+                'integer',
+                Rule::exists('catalog_items', 'id')->where(
+                    fn ($query) => $query->where('tenant_code', $tenantCode)
+                ),
+            ],
+            'variant_id' => [
+                'sometimes',
+                'nullable',
+                'integer',
+                Rule::exists('variantes', 'id')->where(
+                    fn ($query) => $query->where('catalog_item_id', $this->input('catalog_item_id'))
+                ),
+            ],
+            'cantidad' => ['required', 'integer', 'min:1'],
+        ];
+    }
+}

app/Domains/Commerce/Cart/Requests/UpdateCartItemQuantityRequest.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace App\Domains\Cart\Requests;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class UpdateCartItemQuantityRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    /**
+     * @return array<string, mixed>
+     */
+    public function rules(): array
+    {
+        return [
+            'cantidad' => ['required', 'integer', 'min:1'],
+            'catalog_item_id' => ['prohibited'],
+            'variant_id' => ['sometimes', 'nullable', 'integer'],
+        ];
+    }
+}

app/Domains/Commerce/Cart/Resources/CartItemResource.php

@@ -0,0 +1,73 @@
+<?php
+
+namespace App\Domains\Cart\Resources;
+
+use App\Domains\Cart\Models\CartItem;
+use App\Domains\Catalog\Enums\InventoryPolicy;
+use App\Domains\Catalog\Models\Variant;
+use App\Domains\Tenant\Models\Tenant;
+use Illuminate\Http\Request;
+use Illuminate\Http\Resources\Json\JsonResource;
+
+/**
+ * @mixin CartItem
+ */
+class CartItemResource extends JsonResource
+{
+    /**
+     * @return array<string, mixed>
+     */
+    public function toArray(Request $request): array
+    {
+        $selectedItem = $this->selectedItem();
+        $imageUrl = null;
+        $tenant = $request->route('tenant');
+        $displayImage = ! $tenant instanceof Tenant || $tenant->display_cart_item_images;
+        $includeVariants = $tenant instanceof Tenant
+            && $tenant->cart_editing_policy->allowsVariantChanges();
+
+        if ($displayImage && $selectedItem?->relationLoaded('attachments')) {
+            $imageUrl = $selectedItem->attachments->first()?->getTemporaryUrl(1440);
+        }
+
+        if ($displayImage && $imageUrl === null && $this->catalogItem?->relationLoaded('attachments')) {
+            $imageUrl = $this->catalogItem->attachments->first()?->getTemporaryUrl(1440);
+        }
+
+        return [
+            'id' => $this->id,
+            'cantidad' => $this->cantidad,
+            'precio_unitario' => $this->formatMoney($selectedItem?->getPrice()),
+            'catalog_item_id' => $this->catalog_item_id,
+            'variant_id' => $this->variant_id,
+            'nombre' => $selectedItem?->getName(),
+            'imagen' => $imageUrl,
+            'variant' => $this->variant === null ? null : $this->variantData($this->variant),
+            'variants' => $this->when(
+                $includeVariants,
+                fn () => $this->catalogItem
+                    ->visibleVariants($this->variant_id)
+                    ->map(fn (Variant $variant): array => $this->variantData($variant))
+                    ->values(),
+            ),
+        ];
+    }
+
+    /** @return array<string, mixed> */
+    protected function variantData(Variant $variant): array
+    {
+        return [
+            'id' => $variant->id,
+            'precio' => $this->formatMoney($variant->precio ?? $this->catalogItem->precio),
+            'stock_tecnico' => $this->catalogItem->inventory_policy === InventoryPolicy::Unlimited
+                ? null
+                : $variant->inventory->availableStock(),
+            'values' => $variant->selectorOptions($this->catalogItem->itemAttributes),
+        ];
+    }
+
+    protected function formatMoney(float|int|string|null $amount): string
+    {
+        return number_format((float) ($amount ?? 0), 2, '.', '');
+    }
+}

app/Domains/Commerce/Cart/Resources/CartResource.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace App\Domains\Cart\Resources;
+
+use App\Domains\Cart\Models\Cart;
+use Illuminate\Http\Request;
+use Illuminate\Http\Resources\Json\JsonResource;
+
+/**
+ * @mixin Cart
+ */
+class CartResource extends JsonResource
+{
+    /**
+     * @return array<string, mixed>
+     */
+    public function toArray(Request $request): array
+    {
+        $items = $this->resource->relationLoaded('items')
+            ? $this->resource->getRelation('items')
+            : collect();
+
+        $subtotal = $items->reduce(
+            fn (float $carry, $item): float => $carry
+                + ((float) ($item->selectedItem()?->getPrice() ?? 0) * $item->cantidad),
+            0.0,
+        );
+
+        return [
+            'id' => $this->id,
+            'tenant_codigo' => $this->tenant_codigo,
+            'status' => $this->status ?? 'active',
+            'items' => CartItemResource::collection($items),
+            'subtotal' => $this->formatMoney($subtotal),
+        ];
+    }
+
+    protected function formatMoney(float|int|string|null $amount): string
+    {
+        return number_format((float) ($amount ?? 0), 2, '.', '');
+    }
+}

app/Domains/Commerce/Cart/Services/CartService.php

@@ -0,0 +1,332 @@
+<?php
+
+namespace App\Domains\Cart\Services;
+
+use App\Domains\Auth\Models\User;
+use App\Domains\Cart\Models\Cart;
+use App\Domains\Catalog\Exceptions\StockReservationExpiredException;
+use App\Domains\Catalog\Services\ExpireStockReservationsService;
+use App\Domains\Tenant\Models\Tenant;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Auth;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Str;
+use Illuminate\Validation\ValidationException;
+use Symfony\Component\HttpFoundation\Cookie;
+use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
+
+class CartService
+{
+    public function show(Tenant $tenant, Request $request): Cart
+    {
+        $resolvedIdentity = $this->resolveIdentity($request);
+
+        if ($resolvedIdentity === null) {
+            return $this->makeEmptyCart($tenant);
+        }
+
+        $cart = $this->resolveCart($tenant, $resolvedIdentity['identity']);
+
+        if ($cart === null) {
+            return $this->makeEmptyCart($tenant);
+        }
+
+        return $this->loadCart($cart, $tenant);
+    }
+
+    /**
+     * @return array{cart: Cart, guest_token: ?string}
+     */
+    public function addItem(
+        Tenant $tenant,
+        Request $request,
+        int $catalogItemId,
+        ?int $variantId,
+        int $quantity,
+    ): array {
+        $resolvedIdentity = $this->resolveIdentity($request, true);
+        $identity = $resolvedIdentity['identity'];
+        $cart = $this->findOrCreateCart($tenant, $identity);
+        $cart->addItem($catalogItemId, $variantId, $quantity);
+
+        return [
+            'cart' => $this->loadCart($cart, $tenant),
+            'guest_token' => $resolvedIdentity['generated_guest_token'],
+        ];
+    }
+
+    public function updateItem(
+        Tenant $tenant,
+        Request $request,
+        int $cartItemId,
+        int $quantity,
+        ?int $variantId,
+        bool $updateVariant,
+    ): Cart {
+        if ($updateVariant && ! $tenant->cart_editing_policy->allowsVariantChanges()) {
+            throw ValidationException::withMessages([
+                'variant_id' => __('api.cart.variant_change_disabled'),
+            ]);
+        }
+
+        if (! $updateVariant && ! $tenant->cart_editing_policy->allowsQuantityChanges()) {
+            throw ValidationException::withMessages([
+                'cantidad' => __('api.cart.editing_disabled'),
+            ]);
+        }
+
+        $identity = $this->requireIdentity($request);
+        $cart = $this->findCartOrFail($tenant, $identity);
+        $cart->updateItem($cartItemId, $quantity, $variantId, $updateVariant);
+
+        return $this->loadCart($cart, $tenant);
+    }
+
+    public function removeItem(Tenant $tenant, Request $request, int $cartItemId): Cart
+    {
+        if (! $tenant->cart_editing_policy->allowsRemoval()) {
+            throw ValidationException::withMessages([
+                'cart_item' => __('api.cart.editing_disabled'),
+            ]);
+        }
+
+        $identity = $this->requireIdentity($request);
+        $cart = $this->findCartOrFail($tenant, $identity);
+        $cart->removeItem($cartItemId);
+
+        return $this->loadCart($cart, $tenant);
+    }
+
+    public function makeGuestTokenCookie(string $guestToken): Cookie
+    {
+        $secure = (bool) config('session.secure');
+        $sameSite = config('session.same_site');
+        $partitioned = (bool) config('session.partitioned')
+            || ($secure && strtolower((string) $sameSite) === 'none');
+
+        return Cookie::create(
+            name: 'guest_token',
+            value: $guestToken,
+            expire: now()->addDays(180),
+            path: '/',
+            domain: config('session.domain'),
+            secure: $secure,
+            httpOnly: true,
+            raw: false,
+            sameSite: $sameSite,
+            partitioned: $partitioned,
+        );
+    }
+
+    protected function makeEmptyCart(Tenant $tenant): Cart
+    {
+        $cart = new Cart([
+            'tenant_codigo' => $tenant->codigo,
+            'status' => Cart::STATUS_ACTIVE,
+        ]);
+
+        $cart->setRelation('items', collect());
+
+        return $cart;
+    }
+
+    protected function loadCart(Cart $cart, Tenant $tenant): Cart
+    {
+        $relations = [
+            'items.catalogItem.attachments',
+            'items.catalogItem.inventory',
+            'items.catalogItem.itemAttributes.attribute',
+            'items.variant.attachments',
+            'items.variant.inventory',
+            'items.variant.definitions.itemAttribute.attribute.options',
+            'items.variant.eventDates',
+            'items.variant.eventDate',
+        ];
+
+        if ($tenant->cart_editing_policy->allowsVariantChanges()) {
+            $relations = [
+                ...$relations,
+                'items.catalogItem.variants' => fn ($query) => $query->orderBy('id'),
+                'items.catalogItem.variants.inventory',
+                'items.catalogItem.variants.definitions' => fn ($query) => $query->orderBy('id'),
+                'items.catalogItem.variants.definitions.itemAttribute.attribute.options',
+                'items.catalogItem.variants.eventDates',
+                'items.catalogItem.variants.eventDate',
+            ];
+        }
+
+        return $cart->fresh()->load($relations);
+    }
+
+    /**
+     * @return array{identity: array{user_id: ?int, guest_token: ?string}, generated_guest_token: ?string}|null
+     */
+    protected function resolveIdentity(Request $request, bool $generateGuestToken = false): ?array
+    {
+        $user = $request->user() ?? Auth::guard('sanctum')->user();
+
+        if ($user instanceof User) {
+            return [
+                'identity' => [
+                    'user_id' => $user->getKey(),
+                    'guest_token' => null,
+                ],
+                'generated_guest_token' => null,
+            ];
+        }
+
+        $guestToken = $request->cookie('guest_token');
+
+        if (is_string($guestToken) && $guestToken !== '') {
+            return [
+                'identity' => [
+                    'user_id' => null,
+                    'guest_token' => $guestToken,
+                ],
+                'generated_guest_token' => null,
+            ];
+        }
+
+        if (! $generateGuestToken) {
+            return null;
+        }
+
+        $generatedGuestToken = (string) Str::uuid();
+
+        return [
+            'identity' => [
+                'user_id' => null,
+                'guest_token' => $generatedGuestToken,
+            ],
+            'generated_guest_token' => $generatedGuestToken,
+        ];
+    }
+
+    /**
+     * @return array{user_id: ?int, guest_token: ?string}
+     */
+    protected function requireIdentity(Request $request): array
+    {
+        $resolvedIdentity = $this->resolveIdentity($request);
+
+        if ($resolvedIdentity === null) {
+            throw new NotFoundHttpException('Cart not found.');
+        }
+
+        return $resolvedIdentity['identity'];
+    }
+
+    /**
+     * @param  array{user_id: ?int, guest_token: ?string}  $identity
+     */
+    protected function findCart(Tenant $tenant, array $identity): ?Cart
+    {
+        return Cart::query()
+            ->where('tenant_codigo', $tenant->codigo)
+            ->where('origin', Cart::ORIGIN_USER)
+            ->whereIn('status', [Cart::STATUS_ACTIVE, Cart::STATUS_EXPIRED])
+            ->when(
+                $identity['user_id'] !== null,
+                fn ($query) => $query->where('user_id', $identity['user_id']),
+                fn ($query) => $query->where('guest_token', $identity['guest_token']),
+            )
+            ->orderByRaw('CASE WHEN status = ? THEN 0 ELSE 1 END', [Cart::STATUS_ACTIVE])
+            ->first();
+    }
+
+    /**
+     * @param  array{user_id: ?int, guest_token: ?string}  $identity
+     */
+    protected function findCartOrFail(Tenant $tenant, array $identity): Cart
+    {
+        $cart = $this->resolveCart($tenant, $identity, replaceExpired: false);
+
+        if ($cart === null) {
+            throw new NotFoundHttpException('Cart not found.');
+        }
+
+        return $cart;
+    }
+
+    /**
+     * @param  array{user_id: ?int, guest_token: ?string}  $identity
+     */
+    protected function findOrCreateCart(Tenant $tenant, array $identity): Cart
+    {
+        return $this->resolveCart($tenant, $identity)
+            ?? $this->createCart($tenant, $identity);
+    }
+
+    /**
+     * @param  array{user_id: ?int, guest_token: ?string}  $identity
+     */
+    protected function resolveCart(
+        Tenant $tenant,
+        array $identity,
+        bool $replaceExpired = true,
+    ): ?Cart {
+        $cart = $this->findCart($tenant, $identity);
+
+        if ($cart?->status === Cart::STATUS_ACTIVE
+            && $cart->current_stock_reservation_id !== null
+            && app(ExpireStockReservationsService::class)
+                ->expireIfOverdue($cart->current_stock_reservation_id)) {
+            $cart = $this->findCart($tenant, $identity);
+        }
+
+        if ($cart?->status === Cart::STATUS_EXPIRED) {
+            if (! $replaceExpired) {
+                throw new StockReservationExpiredException;
+            }
+
+            return $this->replaceExpiredCart($cart, $tenant, $identity);
+        }
+
+        if ($cart !== null) {
+            return $cart;
+        }
+
+        return null;
+    }
+
+    /**
+     * @param  array{user_id: ?int, guest_token: ?string}  $identity
+     */
+    protected function replaceExpiredCart(Cart $expiredCart, Tenant $tenant, array $identity): Cart
+    {
+        return DB::transaction(function () use ($expiredCart, $tenant, $identity): Cart {
+            /** @var Cart|null $lockedCart */
+            $lockedCart = Cart::query()->lockForUpdate()->find($expiredCart->getKey());
+
+            if ($lockedCart?->status === Cart::STATUS_EXPIRED) {
+                $lockedCart->update([
+                    'status' => Cart::STATUS_ABANDONED,
+                    'current_purchase_id' => null,
+                ]);
+            }
+
+            return $this->findCart($tenant, $identity)
+                ?? $this->createCart($tenant, $identity);
+        });
+    }
+
+    /**
+     * @param  array{user_id: ?int, guest_token: ?string}  $identity
+     */
+    protected function createCart(Tenant $tenant, array $identity): Cart
+    {
+        $attributes = [
+            'tenant_codigo' => $tenant->codigo,
+            'status' => Cart::STATUS_ACTIVE,
+            'origin' => Cart::ORIGIN_USER,
+        ];
+
+        if ($identity['user_id'] !== null) {
+            $attributes['user_id'] = $identity['user_id'];
+        } else {
+            $attributes['guest_token'] = $identity['guest_token'];
+        }
+
+        return Cart::query()->firstOrCreate($attributes);
+    }
+}

app/Domains/Commerce/Cart/Services/CartVariantReplacementService.php

@@ -0,0 +1,99 @@
+<?php
+
+namespace App\Domains\Cart\Services;
+
+use App\Domains\Cart\Models\Cart;
+use App\Domains\Cart\Models\CartItem;
+use App\Domains\Catalog\Models\Variant;
+use App\Domains\Catalog\Services\CatalogInventoryService;
+use Illuminate\Validation\ValidationException;
+
+class CartVariantReplacementService
+{
+    public function __construct(private readonly CatalogInventoryService $inventory) {}
+
+    public function replaceHistoricalVariants(Cart $cart): void
+    {
+        $items = $cart->items()
+            ->whereNotNull('variant_id')
+            ->orderBy('id')
+            ->lockForUpdate()
+            ->get();
+
+        foreach ($items as $item) {
+            $variant = Variant::query()->lockForUpdate()->find($item->variant_id);
+
+            if ($variant === null) {
+                throw $this->unavailableVariant();
+            }
+
+            $replacement = $this->latestReplacement($variant);
+
+            if ($replacement->is($variant)) {
+                if (! $variant->isSellable()) {
+                    throw $this->unavailableVariant();
+                }
+
+                continue;
+            }
+
+            if (! $replacement->isSellable()) {
+                throw $this->unavailableVariant();
+            }
+
+            /** @var CartItem|null $targetItem */
+            $targetItem = $cart->items()
+                ->whereKeyNot($item->getKey())
+                ->where('catalog_item_id', $item->catalog_item_id)
+                ->where('variant_id', $replacement->getKey())
+                ->lockForUpdate()
+                ->first();
+
+            $replacementQuantity = $item->cantidad + ($targetItem?->cantidad ?? 0);
+            if ($replacement->inventory_id !== $variant->inventory_id) {
+                $available = $this->inventory->availableQuantity($replacement);
+
+                if ($available !== null && $available < $replacementQuantity) {
+                    throw $this->unavailableVariant();
+                }
+            }
+
+            if ($targetItem !== null) {
+                $targetItem->cantidad += $item->cantidad;
+                $targetItem->save();
+                $item->delete();
+
+                continue;
+            }
+
+            $item->update(['variant_id' => $replacement->getKey()]);
+        }
+    }
+
+    private function latestReplacement(Variant $variant): Variant
+    {
+        $current = $variant;
+        $visited = [];
+
+        while ($current->replaced_by_variant_id !== null) {
+            if (isset($visited[$current->getKey()])) {
+                throw $this->unavailableVariant();
+            }
+
+            $visited[$current->getKey()] = true;
+            $current = Variant::query()
+                ->lockForUpdate()
+                ->find($current->replaced_by_variant_id)
+                ?? throw $this->unavailableVariant();
+        }
+
+        return $current;
+    }
+
+    private function unavailableVariant(): ValidationException
+    {
+        return ValidationException::withMessages([
+            'cart_id' => [__('api.cart.cart_variant_unavailable')],
+        ]);
+    }
+}

app/Domains/Commerce/Cart/Services/GuestCartMergeService.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace App\Domains\Cart\Services;
+
+use App\Domains\Auth\Models\User;
+use App\Domains\Cart\Models\Cart;
+use Illuminate\Support\Facades\DB;
+
+class GuestCartMergeService
+{
+    public function merge(string $tenantCodigo, User $user, ?string $guestToken): void
+    {
+        if ($guestToken === null || $guestToken === '') {
+            return;
+        }
+
+        DB::transaction(function () use ($tenantCodigo, $user, $guestToken): void {
+            $guestCart = Cart::query()
+                ->where('tenant_codigo', $tenantCodigo)
+                ->where('guest_token', $guestToken)
+                ->where('status', 'active')
+                ->lockForUpdate()
+                ->first();
+
+            if ($guestCart === null || ! $guestCart->items()->exists()) {
+                return;
+            }
+
+            $userCart = Cart::query()
+                ->where('tenant_codigo', $tenantCodigo)
+                ->where('user_id', $user->getKey())
+                ->where('status', 'active')
+                ->lockForUpdate()
+                ->first();
+
+            if ($userCart !== null) {
+                $userCart->items()
+                    ->orderBy('id')
+                    ->pluck('id')
+                    ->each(fn (int $itemId) => $userCart->removeItem($itemId));
+                $userCart->update([
+                    'status' => 'converted',
+                ]);
+                $userCart->delete();
+            }
+
+            $guestCart->update([
+                'user_id' => $user->getKey(),
+                'guest_token' => null,
+            ]);
+        });
+    }
+}

app/Domains/Commerce/Cart/Services/InvalidateEventDateCartsService.php

@@ -0,0 +1,59 @@
+<?php
+
+namespace App\Domains\Cart\Services;
+
+use App\Domains\Cart\Models\Cart;
+use App\Domains\Catalog\Models\StockReservation;
+use App\Domains\Catalog\Services\StockReservationService;
+use App\Domains\Purchase\Models\Purchase;
+use App\Domains\Tenant\Models\Tenant;
+use Illuminate\Support\Collection;
+use Illuminate\Support\Facades\DB;
+
+class InvalidateEventDateCartsService
+{
+    public function __construct(private readonly StockReservationService $reservations) {}
+
+    /** @param Collection<int, int> $eventDateIds */
+    public function invalidate(
+        Tenant $tenant,
+        Collection $eventDateIds,
+        string $reason = StockReservationService::REASON_EVENT_DATE_RESCHEDULED,
+    ): void {
+        DB::transaction(function () use ($tenant, $eventDateIds, $reason): void {
+            $carts = Cart::query()
+                ->where('tenant_codigo', $tenant->codigo)
+                ->where('status', Cart::STATUS_ACTIVE)
+                ->whereNull('current_purchase_id')
+                ->whereHas('currentStockReservation', fn ($reservation) => $reservation
+                    ->where('status', StockReservation::STATUS_ACTIVE))
+                ->whereHas('items.variant', fn ($variant) => $variant
+                    ->withTrashed()
+                    ->where(fn ($dates) => $dates
+                        ->whereIn('event_date_id', $eventDateIds)
+                        ->orWhereHas('eventDates', fn ($date) => $date
+                            ->whereIn('event_dates.id', $eventDateIds))))
+                ->orderBy('id')
+                ->lockForUpdate()
+                ->get();
+
+            foreach ($carts as $cart) {
+                // Checkout keeps the cart and purchase attached to the same reservation.
+                if (Purchase::query()
+                    ->where('stock_reservation_id', $cart->current_stock_reservation_id)
+                    ->exists()) {
+                    continue;
+                }
+
+                $this->reservations->releaseCurrentCartReservation(
+                    $cart,
+                    $reason,
+                );
+
+                // Reuse the existing expired-cart flow: stale mutations receive the
+                // expiration response and the next GET replaces the whole cart.
+                $cart->update(['status' => Cart::STATUS_EXPIRED]);
+            }
+        });
+    }
+}

app/Domains/Commerce/Cart/documentacion/README.md

@@ -0,0 +1,38 @@
+# Dominio Cart
+
+## Propósito
+
+Gestiona el carrito activo de un tenant tanto para visitantes como para usuarios autenticados.
+
+## Modelo
+
+- `Cart`: pertenece a un tenant y opcionalmente a un usuario; calcula el total, permite agregar, actualizar o quitar ítems y apunta a su reserva de stock vigente mediante `current_stock_reservation_id`.
+- `CartItem`: referencia un `CatalogItem` y, opcionalmente, una `Variant`; sólo persiste la selección y cantidad, y expone siempre los datos vigentes del catálogo.
+
+## Servicios
+
+- `CartService`: obtiene el carrito, modifica ítems y administra la cookie del token invitado.
+- `GuestCartMergeService`: incorpora el carrito invitado al usuario cuando este se autentica.
+
+## Endpoints
+
+Bajo `/tenants/{tenant:codigo}`:
+
+- `GET /cart`.
+- `POST /cart/items`.
+- `PATCH /cart/items/{cartItem}`.
+- `DELETE /cart/items/{cartItem}`.
+
+## Contratos
+
+`AddCartItemRequest` y `UpdateCartItemQuantityRequest` validan selección y cantidad. `CartResource` y `CartItemResource` estabilizan la respuesta pública. Cada ítem expone `nombre`, `imagen` y `precio_unitario` en la raíz, priorizando la variante seleccionada y usando el catálogo base como respaldo. La variante seleccionada se serializa en `variant`; las variantes alternativas no forman parte de la respuesta del carrito.
+
+## Dependencias y reglas
+
+Depende de `Catalog` para productos y variantes, de `Tenant` para aislar datos y de `Auth` cuando existe usuario. Toda operación debe comprobar que carrito e ítem pertenecen al tenant actual.
+
+Un carrito puede pasar a `checkout`. Las compras directas usan un carrito técnico con `origin=direct_checkout`; los carritos normales conservan `origin=user` y pueden restaurarse al cancelar o vencer la compra.
+
+Cada edición sincroniza una única reserva para el carrito completo. Si varios ítems o bundles consumen el mismo inventario, se persiste una sola línea con la cantidad agregada. Al editar durante checkout, la compra anterior queda `superseded`, se desvincula y el carrito conserva la misma reserva activa con sus líneas actualizadas.
+
+El comando unificado `php artisan reservations:expire` recorre una sola vez las reservas activas cuyo `expires_at` haya vencido. Cuando pertenecen a un carrito, conserva la reserva y sus líneas como historial, libera el stock como conjunto y cambia el carrito asociado a `expired` sin eliminar sus ítems. Al volver a resolver ese carrito desde la API, el anterior pasa automáticamente a `abandoned` y se crea uno activo y vacío para la misma identidad. El cliente nunca necesita reiniciarlo explícitamente. La API también materializa este vencimiento al acceder al carrito aunque el comando programado todavía no haya corrido.

app/Domains/Commerce/Cart/routes/api.php

@@ -0,0 +1,12 @@
+<?php
+
+use App\Domains\Cart\Controllers\CartController;
+use Illuminate\Support\Facades\Route;
+
+Route::prefix('tenants/{tenant:codigo}')
+    ->group(function (): void {
+        Route::get('cart', [CartController::class, 'show']);
+        Route::post('cart/items', [CartController::class, 'addItem']);
+        Route::patch('cart/items/{cartItem}', [CartController::class, 'updateItemQuantity']);
+        Route::delete('cart/items/{cartItem}', [CartController::class, 'removeItem']);
+    });

app/Domains/Commerce/Catalog/Controllers/AdminApp/OnTicketFeaturedGroupController.php

@@ -0,0 +1,65 @@
+<?php
+
+namespace App\Domains\Catalog\Controllers\AdminApp;
+
+use App\Domains\Catalog\Models\FeaturedGroup;
+use App\Domains\Catalog\Requests\AdminApp\UpsertOnTicketFeaturedGroupRequest;
+use App\Domains\Catalog\Resources\AdminApp\OnTicketFeaturedGroupResource;
+use App\Domains\Catalog\Services\OnTicketFeaturedGroupService;
+use App\Domains\Tenant\Models\Tenant;
+use App\Http\Controllers\Controller;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+use Illuminate\Http\Resources\Json\AnonymousResourceCollection;
+
+class OnTicketFeaturedGroupController extends Controller
+{
+    public function __construct(
+        private readonly OnTicketFeaturedGroupService $featuredGroupService,
+    ) {}
+
+    public function index(Request $request): AnonymousResourceCollection
+    {
+        return OnTicketFeaturedGroupResource::collection(
+            $this->featuredGroupService->forTenant($this->onTicketTenant($request))
+        );
+    }
+
+    public function store(UpsertOnTicketFeaturedGroupRequest $request): JsonResponse
+    {
+        $featuredGroup = $this->featuredGroupService->create(
+            $this->onTicketTenant($request),
+            $request->validated(),
+        );
+
+        return OnTicketFeaturedGroupResource::make($featuredGroup)
+            ->response()
+            ->setStatusCode(201);
+    }
+
+    public function update(
+        UpsertOnTicketFeaturedGroupRequest $request,
+        FeaturedGroup $featuredGroup,
+    ): OnTicketFeaturedGroupResource {
+        $tenant = $this->onTicketTenant($request);
+
+        abort_unless($featuredGroup->tenant_code === $tenant->codigo, 404);
+
+        return OnTicketFeaturedGroupResource::make(
+            $this->featuredGroupService->update(
+                $tenant,
+                $featuredGroup,
+                $request->validated(),
+            )
+        );
+    }
+
+    private function onTicketTenant(Request $request): Tenant
+    {
+        $tenant = $request->user()->tenant()->firstOrFail();
+
+        abort_unless(in_array($tenant->storefront_website_type_code, ['onticket', 'onticket_multi_event'], true), 404);
+
+        return $tenant;
+    }
+}

app/Domains/Commerce/Catalog/Controllers/CatalogController.php

@@ -0,0 +1,187 @@
+<?php
+
+namespace App\Domains\Catalog\Controllers;
+
+use App\Domains\Cart\Services\CartService;
+use App\Domains\Catalog\Models\CatalogItem;
+use App\Domains\Catalog\Models\Category;
+use App\Domains\Catalog\Models\FeaturedGroup;
+use App\Domains\Catalog\Requests\CatalogItemDetailRequest;
+use App\Domains\Catalog\Requests\CatalogVariantOptionsRequest;
+use App\Domains\Catalog\Requests\CategoryPageRequest;
+use App\Domains\Catalog\Requests\FeaturedGroupPageRequest;
+use App\Domains\Catalog\Requests\SearchCatalogItemsRequest;
+use App\Domains\Catalog\Requests\StoreCatalogItemRequest;
+use App\Domains\Catalog\Resources\CatalogFeaturedGroupResource;
+use App\Domains\Catalog\Resources\CatalogItemDetailResource;
+use App\Domains\Catalog\Resources\CatalogItemResource;
+use App\Domains\Catalog\Resources\CatalogSearchItemResource;
+use App\Domains\Catalog\Resources\CatalogVariantOptionsResource;
+use App\Domains\Catalog\Services\CatalogItemAllowanceService;
+use App\Domains\Catalog\Services\CatalogService;
+use App\Domains\Catalog\Services\FeaturedGroupService;
+use App\Domains\Catalog\Services\VariantSelectionService;
+use App\Domains\Tenant\Models\Tenant;
+use App\Http\Controllers\Controller;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+use Illuminate\Http\Resources\Json\AnonymousResourceCollection;
+use Illuminate\Support\Facades\Auth;
+
+class CatalogController extends Controller
+{
+    public function index(Request $request, Tenant $tenant, FeaturedGroupService $featuredGroupService): JsonResponse
+    {
+        $featuredGroups = FeaturedGroup::query()
+            ->where('tenant_code', $tenant->codigo)
+            ->orderBy('group_order')
+            ->get();
+
+        return response()->json($featuredGroups->map(
+            fn (FeaturedGroup $featuredGroup): array => (new CatalogFeaturedGroupResource(
+                $featuredGroup,
+                $featuredGroupService->itemsResponse($featuredGroup, 1, $this->userId($request)),
+            ))->resolve()
+        ));
+    }
+
+    public function search(
+        SearchCatalogItemsRequest $request,
+        Tenant $tenant,
+        CatalogService $catalogService,
+        CatalogItemAllowanceService $allowances,
+    ): AnonymousResourceCollection {
+        $items = $catalogService->search(
+            $tenant,
+            $request->validated('q'),
+            $tenant->search_items_per_page,
+            (int) $request->validated('page', 1),
+        );
+        $allowances->attach($items->getCollection(), $this->userId($request));
+
+        return CatalogSearchItemResource::collection($items);
+    }
+
+    public function category(
+        CategoryPageRequest $request,
+        Tenant $tenant,
+        Category $category,
+        CatalogService $catalogService,
+        CatalogItemAllowanceService $allowances,
+    ): AnonymousResourceCollection {
+        abort_unless($category->tenant_code === $tenant->codigo, 404);
+
+        $items = $catalogService->categoryItems(
+            $tenant,
+            $category,
+            $tenant->search_items_per_page,
+            (int) $request->validated('page', 1),
+        );
+        $allowances->attach($items->getCollection(), $this->userId($request));
+
+        return CatalogSearchItemResource::collection($items)->additional([
+            'category' => [
+                'id' => $category->id,
+                'nombre' => $category->nombre,
+                'categoria_id' => $category->categoria_id,
+            ],
+            'layout' => $tenant->search_product_layout->value,
+            'group_layout' => $tenant->search_group_layout->value,
+        ]);
+    }
+
+    public function featuredGroupItems(
+        FeaturedGroupPageRequest $request,
+        Tenant $tenant,
+        FeaturedGroup $featuredGroup,
+        FeaturedGroupService $featuredGroupService,
+    ): JsonResponse {
+        abort_unless($featuredGroup->tenant_code === $tenant->codigo, 404);
+
+        $page = (int) $request->validated('page', 1);
+
+        return response()->json($featuredGroupService->itemsResponse(
+            $featuredGroup,
+            $page,
+            $this->userId($request),
+        ));
+    }
+
+    public function show(
+        CatalogItemDetailRequest $request,
+        Tenant $tenant,
+        CatalogItem $catalogItem,
+        CatalogService $catalogService,
+        CatalogItemAllowanceService $allowances,
+    ): CatalogItemDetailResource {
+        abort_unless($catalogItem->tenant_code === $tenant->codigo, 404);
+
+        $variantId = $request->validated('variant_id');
+
+        $item = $catalogService->getDetail(
+            $catalogItem,
+            $variantId === null ? null : (int) $variantId,
+        );
+        $allowances->attach(collect([$item]), $this->userId($request));
+
+        return CatalogItemDetailResource::make($item);
+    }
+
+    public function variantOptions(
+        CatalogVariantOptionsRequest $request,
+        Tenant $tenant,
+        CatalogItem $catalogItem,
+        VariantSelectionService $variantSelectionService,
+        CartService $cartService,
+    ): CatalogVariantOptionsResource {
+        abort_unless($catalogItem->tenant_code === $tenant->codigo, 404);
+
+        $includedVariantId = null;
+        $cartItemId = $request->validated('cart_item_id');
+        $selectedValues = $request->validated('selected_values', []);
+
+        if ($cartItemId !== null) {
+            $cartItem = $cartService->show($tenant, $request)
+                ->items
+                ->firstWhere('id', (int) $cartItemId);
+            abort_unless($cartItem?->catalog_item_id === $catalogItem->id, 404);
+            $includedVariantId = $cartItem->variant_id;
+
+            if ($selectedValues === [] && $cartItem->variant !== null) {
+                $selectedValues = $cartItem->variant
+                    ->selectorOptions($catalogItem->itemAttributes)
+                    ->all();
+            }
+        }
+
+        return CatalogVariantOptionsResource::make(
+            $variantSelectionService->options(
+                $catalogItem,
+                $selectedValues,
+                $includedVariantId,
+            )
+        );
+    }
+
+    public function store(
+        StoreCatalogItemRequest $request,
+        Tenant $tenant,
+        CatalogService $catalogService,
+    ): JsonResponse {
+        $catalogItem = $catalogService->create([
+            ...$request->validated(),
+            'tenant_code' => $tenant->codigo,
+        ]);
+
+        return CatalogItemResource::make($catalogItem)
+            ->response()
+            ->setStatusCode(201);
+    }
+
+    private function userId(Request $request): ?int
+    {
+        $userId = $request->user()?->getAuthIdentifier() ?? Auth::guard('sanctum')->id();
+
+        return $userId === null ? null : (int) $userId;
+    }
+}

app/Domains/Commerce/Catalog/Enums/CatalogItemType.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace App\Domains\Catalog\Enums;
+
+enum CatalogItemType: string
+{
+    case Standard = 'standard';
+    case Bundle = 'bundle';
+
+    /** @return array<int, string> */
+    public static function values(): array
+    {
+        return array_column(self::cases(), 'value');
+    }
+}

app/Domains/Commerce/Catalog/Enums/FeaturedGroupSource.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace App\Domains\Catalog\Enums;
+
+enum FeaturedGroupSource: string
+{
+    case Manual = 'manual';
+    case Category = 'category';
+    case All = 'all';
+
+    /**
+     * @return list<string>
+     */
+    public static function values(): array
+    {
+        return array_column(self::cases(), 'value');
+    }
+}

app/Domains/Commerce/Catalog/Enums/GroupLayout.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace App\Domains\Catalog\Enums;
+
+enum GroupLayout: string
+{
+    case Paginated = 'paginated';
+    case Simple = 'simple';
+    case SimpleVertical = 'simple_vertical';
+    case Carousel = 'carousel';
+    case Single = 'single';
+
+    /**
+     * @return list<string>
+     */
+    public static function values(): array
+    {
+        return array_column(self::cases(), 'value');
+    }
+}

app/Domains/Commerce/Catalog/Enums/InventoryPolicy.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace App\Domains\Catalog\Enums;
+
+enum InventoryPolicy: string
+{
+    case Tracked = 'tracked';
+    case Unlimited = 'unlimited';
+
+    /**
+     * @return list<string>
+     */
+    public static function values(): array
+    {
+        return array_column(self::cases(), 'value');
+    }
+}

app/Domains/Commerce/Catalog/Enums/InventorySubject.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace App\Domains\Catalog\Enums;
+
+enum InventorySubject: string
+{
+    case Product = 'product';
+    case Seat = 'seat';
+    case Ticket = 'ticket';
+
+    /** @return array<int, string> */
+    public static function values(): array
+    {
+        return array_column(self::cases(), 'value');
+    }
+}

app/Domains/Commerce/Catalog/Enums/ProductLayout.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Domains\Catalog\Enums;
+
+enum ProductLayout: string
+{
+    case Row = 'row';
+    case ColumnWithImage = 'column_with_image';
+    case ColumnWithCart = 'column_with_cart';
+    case TicketSelector = 'ticket_selector';
+
+    /**
+     * @return list<string>
+     */
+    public static function values(): array
+    {
+        return array_column(self::cases(), 'value');
+    }
+}

app/Domains/Commerce/Catalog/Exceptions/StockReservationExpiredException.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace App\Domains\Catalog\Exceptions;
+
+use RuntimeException;
+
+class StockReservationExpiredException extends RuntimeException
+{
+    public function __construct()
+    {
+        parent::__construct(__('api.cart.reservation_expired'));
+    }
+}

app/Domains/Commerce/Catalog/Models/Attribute.php

@@ -0,0 +1,67 @@
+<?php
+
+namespace App\Domains\Catalog\Models;
+
+use App\Domains\Event\Models\EventDate;
+use App\Domains\Shared\Enums\FieldType;
+use App\Domains\Tenant\Models\Tenant;
+use Illuminate\Database\Eloquent\Attributes\Fillable;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+#[Fillable([
+    'tenant_codigo',
+    'codigo',
+    'nombre',
+    'is_required',
+    'metadata_schema',
+    'type',
+])]
+class Attribute extends Model
+{
+    use HasFactory;
+
+    protected $table = 'attribute';
+
+    /**
+     * @return array<string, string>
+     */
+    protected function casts(): array
+    {
+        return [
+            'is_required' => 'boolean',
+            'metadata_schema' => 'array',
+            'type' => FieldType::class,
+        ];
+    }
+
+    /**
+     * @return BelongsTo<Tenant, $this>
+     */
+    public function tenant(): BelongsTo
+    {
+        return $this->belongsTo(Tenant::class, 'tenant_codigo', 'codigo');
+    }
+
+    /**
+     * @return HasMany<AttributeOption, $this>
+     */
+    public function options(): HasMany
+    {
+        return $this->hasMany(AttributeOption::class, 'attribute_id')->orderBy('sort_order');
+    }
+
+    /**
+     * @return HasMany<EventDate, $this>
+     */
+    public function eventDates(): HasMany
+    {
+        return $this->hasMany(EventDate::class, 'tenant_code', 'tenant_codigo')
+            ->whereNull('rescheduled_to_event_date_id')
+            ->whereNull('suspended_at')
+            ->orderBy('date')
+            ->orderBy('time_start');
+    }
+}

app/Domains/Commerce/Catalog/Models/AttributeOption.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace App\Domains\Catalog\Models;
+
+use App\Domains\Ticket\Models\ValidityTime;
+use Illuminate\Database\Eloquent\Attributes\Fillable;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+#[Fillable([
+    'attribute_id',
+    'validity_time_id',
+    'value',
+    'label',
+    'sort_order',
+    'metadata',
+])]
+class AttributeOption extends Model
+{
+    use HasFactory;
+
+    protected $table = 'attribute_options';
+
+    /**
+     * @return array<string, string>
+     */
+    protected function casts(): array
+    {
+        return [
+            'validity_time_id' => 'integer',
+            'sort_order' => 'integer',
+            'metadata' => 'array',
+        ];
+    }
+
+    /**
+     * @return BelongsTo<Attribute, $this>
+     */
+    public function attribute(): BelongsTo
+    {
+        return $this->belongsTo(Attribute::class, 'attribute_id');
+    }
+
+    /** @return BelongsTo<ValidityTime, $this> */
+    public function validityTime(): BelongsTo
+    {
+        return $this->belongsTo(ValidityTime::class);
+    }
+}

app/Domains/Commerce/Catalog/Models/Brand.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace App\Domains\Catalog\Models;
+
+use App\Domains\Tenant\Models\Tenant;
+use Illuminate\Database\Eloquent\Attributes\Fillable;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+#[Fillable([
+    'tenant_codigo',
+    'nombre',
+    'descripcion',
+])]
+class Brand extends Model
+{
+    use HasFactory;
+
+    protected $table = 'brands';
+
+    /**
+     * @return BelongsTo<Tenant, $this>
+     */
+    public function tenant(): BelongsTo
+    {
+        return $this->belongsTo(Tenant::class, 'tenant_codigo', 'codigo');
+    }
+
+    /** @return HasMany<CatalogItem, $this> */
+    public function catalogItems(): HasMany
+    {
+        return $this->hasMany(CatalogItem::class);
+    }
+}

app/Domains/Commerce/Catalog/Models/BundleComponent.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace App\Domains\Catalog\Models;
+
+use Illuminate\Database\Eloquent\Attributes\Fillable;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+#[Fillable([
+    'bundle_catalog_item_id',
+    'component_catalog_item_id',
+    'component_variant_id',
+    'quantity',
+])]
+class BundleComponent extends Model
+{
+    use HasFactory;
+
+    public $timestamps = false;
+
+    protected function casts(): array
+    {
+        return [
+            'bundle_catalog_item_id' => 'integer',
+            'component_catalog_item_id' => 'integer',
+            'component_variant_id' => 'integer',
+            'quantity' => 'integer',
+        ];
+    }
+
+    /** @return BelongsTo<CatalogItem, $this> */
+    public function bundle(): BelongsTo
+    {
+        return $this->belongsTo(CatalogItem::class, 'bundle_catalog_item_id');
+    }
+
+    /** @return BelongsTo<CatalogItem, $this> */
+    public function catalogItem(): BelongsTo
+    {
+        return $this->belongsTo(CatalogItem::class, 'component_catalog_item_id');
+    }
+
+    /** @return BelongsTo<Variant, $this> */
+    public function variant(): BelongsTo
+    {
+        return $this->belongsTo(Variant::class, 'component_variant_id');
+    }
+}

app/Domains/Commerce/Catalog/Models/CatalogItem.php

@@ -0,0 +1,257 @@
+<?php
+
+namespace App\Domains\Catalog\Models;
+
+use App\Domains\Attachable\Models\Attachment;
+use App\Domains\Catalog\Enums\CatalogItemType;
+use App\Domains\Catalog\Enums\InventoryPolicy;
+use App\Domains\Catalog\Enums\InventorySubject;
+use App\Domains\Catalog\Services\CatalogInventoryService;
+use App\Domains\Tenant\Models\Tenant;
+use App\Domains\Ticket\Models\Ticket;
+use Illuminate\Database\Eloquent\Attributes\Fillable;
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\BelongsToMany;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Database\Eloquent\SoftDeletes;
+use Illuminate\Support\Collection;
+
+#[Fillable([
+    'tenant_code',
+    'category_id',
+    'brand_id',
+    'inventory_id',
+    'type',
+    'slug',
+    'nombre',
+    'group_order',
+    'descripcion',
+    'precio',
+    'inventory_policy',
+    'inventory_subject',
+    'max_units_per_user',
+    'has_tickets',
+])]
+class CatalogItem extends Model
+{
+    use HasFactory, SoftDeletes;
+
+    public $timestamps = false;
+
+    protected $table = 'catalog_items';
+
+    protected $attributes = [
+        'type' => CatalogItemType::Standard->value,
+        'inventory_policy' => InventoryPolicy::Tracked->value,
+        'inventory_subject' => InventorySubject::Product->value,
+        'has_tickets' => false,
+        'group_order' => 0,
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'category_id' => 'integer',
+            'brand_id' => 'integer',
+            'inventory_id' => 'integer',
+            'type' => CatalogItemType::class,
+            'group_order' => 'integer',
+            'precio' => 'decimal:2',
+            'inventory_policy' => InventoryPolicy::class,
+            'inventory_subject' => InventorySubject::class,
+            'max_units_per_user' => 'integer',
+            'has_tickets' => 'boolean',
+        ];
+    }
+
+    /** @return BelongsTo<Tenant, $this> */
+    public function tenant(): BelongsTo
+    {
+        return $this->belongsTo(Tenant::class, 'tenant_code', 'codigo');
+    }
+
+    /** @return BelongsTo<Category, $this> */
+    public function category(): BelongsTo
+    {
+        return $this->belongsTo(Category::class);
+    }
+
+    /** @return BelongsTo<Brand, $this> */
+    public function brand(): BelongsTo
+    {
+        return $this->belongsTo(Brand::class);
+    }
+
+    /** @return BelongsTo<Inventory, $this> */
+    public function inventory(): BelongsTo
+    {
+        return $this->belongsTo(Inventory::class);
+    }
+
+    /** @return HasMany<BundleComponent, $this> */
+    public function bundleComponents(): HasMany
+    {
+        return $this->hasMany(BundleComponent::class, 'bundle_catalog_item_id');
+    }
+
+    /** @return HasMany<BundleComponent, $this> */
+    public function bundleComponentUsages(): HasMany
+    {
+        return $this->hasMany(BundleComponent::class, 'component_catalog_item_id');
+    }
+
+    /** @return HasMany<Variant, $this> */
+    public function variants(): HasMany
+    {
+        return $this->hasMany(Variant::class);
+    }
+
+    /** @return HasMany<Ticket, $this> */
+    public function sourceTickets(): HasMany
+    {
+        return $this->hasMany(Ticket::class, 'source_catalog_item_id');
+    }
+
+    /** @return BelongsToMany<Attribute, $this> */
+    public function attributes(): BelongsToMany
+    {
+        return $this->belongsToMany(Attribute::class, 'item_attributes')
+            ->withTimestamps();
+    }
+
+    /** @return HasMany<ItemAttribute, $this> */
+    public function itemAttributes(): HasMany
+    {
+        return $this->hasMany(ItemAttribute::class);
+    }
+
+    /** @return HasMany<FeaturedItem, $this> */
+    public function featuredItems(): HasMany
+    {
+        return $this->hasMany(FeaturedItem::class);
+    }
+
+    /** @return BelongsToMany<Attachment, $this> */
+    public function attachments(): BelongsToMany
+    {
+        return $this->allAttachments()->wherePivot('is_enabled', true);
+    }
+
+    /** @return BelongsToMany<Attachment, $this> */
+    public function allAttachments(): BelongsToMany
+    {
+        return $this->belongsToMany(
+            Attachment::class,
+            'catalog_items_attachments',
+            'catalog_item_id',
+            'attachment_id'
+        )
+            ->withPivot(['orden', 'is_enabled'])
+            ->wherePivotNull('variant_id')
+            ->orderByPivot('orden');
+    }
+
+    public function availableStock(): ?int
+    {
+        return app(CatalogInventoryService::class)->availableQuantity($this);
+    }
+
+    public function isAvailable(): bool
+    {
+        if ($this->type === CatalogItemType::Bundle) {
+            $availableStock = $this->availableStock();
+
+            return $availableStock === null || $availableStock > 0;
+        }
+
+        if ($this->inventory_policy === InventoryPolicy::Unlimited) {
+            return true;
+        }
+
+        return ($this->availableStock() ?? 0) > 0;
+    }
+
+    /** @param Builder<CatalogItem> $query */
+    public function scopeWhereAvailable(Builder $query): Builder
+    {
+        return $query->where(function (Builder $query): void {
+            $query
+                ->where(function (Builder $unlimitedQuery): void {
+                    $unlimitedQuery
+                        ->where('catalog_items.inventory_policy', InventoryPolicy::Unlimited->value)
+                        ->where(function (Builder $selectionQuery): void {
+                            $selectionQuery
+                                ->whereDoesntHave('variants')
+                                ->orWhereHas('variants', fn (Builder $variantQuery): Builder => $variantQuery
+                                    ->whereNull('sales_disabled_at')
+                                    ->whereNull('replaced_by_variant_id'));
+                        });
+                })
+                ->orWhereHas(
+                    'variants',
+                    fn (Builder $variantQuery): Builder => $variantQuery
+                        ->whereNull('sales_disabled_at')
+                        ->whereNull('replaced_by_variant_id')
+                        ->whereHas(
+                            'inventory',
+                            fn (Builder $inventoryQuery): Builder => $inventoryQuery
+                                ->whereColumn('inventories.real_stock', '>', 'inventories.reserved_stock')
+                        )
+                )
+                ->orWhere(function (Builder $directItemQuery): void {
+                    $directItemQuery
+                        ->whereDoesntHave('variants')
+                        ->where(function (Builder $inventoryQuery): void {
+                            $inventoryQuery
+                                ->whereNull('catalog_items.inventory_id')
+                                ->orWhereHas(
+                                    'inventory',
+                                    fn (Builder $availableInventoryQuery): Builder => $availableInventoryQuery
+                                        ->whereColumn('inventories.real_stock', '>', 'inventories.reserved_stock')
+                                );
+                        });
+                });
+        });
+    }
+
+    /** @return Collection<int, Variant> */
+    public function visibleVariants(?int $includedVariantId = null): Collection
+    {
+        return $this->variants
+            ->filter(fn (Variant $variant): bool => $variant->hasOnlyActiveEventDates()
+                && (($includedVariantId !== null && $variant->id === $includedVariantId)
+                    || ($variant->isSellable() && (
+                        $this->inventory_policy === InventoryPolicy::Unlimited
+                        || ($variant->inventory?->availableStock() ?? 0) > 0
+                    ))))
+            ->values();
+    }
+
+    public function getPrice(): float
+    {
+        return (float) $this->precio;
+    }
+
+    public function getName(): string
+    {
+        return $this->nombre;
+    }
+
+    public function getSelectionLabel(): string
+    {
+        return $this->getName();
+    }
+
+    public function getDescription(): ?string
+    {
+        return $this->descripcion;
+    }
+
+    public function isBundle(): bool
+    {
+        return $this->type === CatalogItemType::Bundle;
+    }
+}

app/Domains/Commerce/Catalog/Models/Category.php

@@ -0,0 +1,86 @@
+<?php
+
+namespace App\Domains\Catalog\Models;
+
+use App\Domains\Auth\Models\User;
+use App\Domains\Tenant\Models\Tenant;
+use Illuminate\Database\Eloquent\Attributes\Fillable;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\BelongsToMany;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+#[Fillable([
+    'tenant_code',
+    'categoria_id',
+    'nombre',
+    'is_enabled',
+])]
+class Category extends Model
+{
+    use HasFactory;
+
+    protected $table = 'categorias';
+
+    protected $attributes = [
+        'is_enabled' => true,
+    ];
+
+    /**
+     * @return array<string, string>
+     */
+    protected function casts(): array
+    {
+        return [
+            'categoria_id' => 'integer',
+            'is_enabled' => 'boolean',
+        ];
+    }
+
+    public function isGlobal(): bool
+    {
+        return $this->tenant_code === null;
+    }
+
+    /**
+     * @return BelongsTo<Tenant, $this>
+     */
+    public function tenant(): BelongsTo
+    {
+        return $this->belongsTo(Tenant::class, 'tenant_code', 'codigo');
+    }
+
+    /**
+     * @return BelongsTo<Category, $this>
+     */
+    public function parent(): BelongsTo
+    {
+        return $this->belongsTo(self::class, 'categoria_id');
+    }
+
+    /**
+     * @return HasMany<Category, $this>
+     */
+    public function subCategories(): HasMany
+    {
+        return $this->hasMany(self::class, 'categoria_id');
+    }
+
+    /** @return HasMany<CatalogItem, $this> */
+    public function catalogItems(): HasMany
+    {
+        return $this->hasMany(CatalogItem::class);
+    }
+
+    /** @return BelongsToMany<User, $this> */
+    public function scanners(): BelongsToMany
+    {
+        return $this->belongsToMany(
+            User::class,
+            'category_scanners',
+            'categoria_id',
+            'user_id',
+        )->withTimestamps();
+    }
+}

app/Domains/Commerce/Catalog/Models/FeaturedGroup.php

@@ -0,0 +1,89 @@
+<?php
+
+namespace App\Domains\Catalog\Models;
+
+use App\Domains\Catalog\Enums\FeaturedGroupSource;
+use App\Domains\Catalog\Enums\GroupLayout;
+use App\Domains\Catalog\Enums\ProductLayout;
+use App\Domains\Tenant\Models\Tenant;
+use Illuminate\Database\Eloquent\Attributes\Fillable;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Support\Str;
+
+#[Fillable([
+    'tenant_code',
+    'code',
+    'source_type',
+    'category_id',
+    'product_layout',
+    'group_layout',
+    'group_name',
+    'group_order',
+])]
+class FeaturedGroup extends Model
+{
+    use HasFactory;
+
+    public $timestamps = false;
+
+    protected $table = 'featured_groups';
+
+    protected $attributes = [
+        'source_type' => FeaturedGroupSource::Manual->value,
+    ];
+
+    protected static function booted(): void
+    {
+        static::creating(function (FeaturedGroup $featuredGroup): void {
+            if (filled($featuredGroup->code)) {
+                return;
+            }
+
+            $baseCode = Str::slug($featuredGroup->group_name) ?: 'group';
+            $code = $baseCode;
+            $suffix = 2;
+
+            while (static::query()
+                ->where('tenant_code', $featuredGroup->tenant_code)
+                ->where('code', $code)
+                ->exists()) {
+                $code = "{$baseCode}-{$suffix}";
+                $suffix++;
+            }
+
+            $featuredGroup->code = $code;
+        });
+    }
+
+    protected function casts(): array
+    {
+        return [
+            'source_type' => FeaturedGroupSource::class,
+            'category_id' => 'integer',
+            'product_layout' => ProductLayout::class,
+            'group_layout' => GroupLayout::class,
+            'group_order' => 'integer',
+        ];
+    }
+
+    /** @return BelongsTo<Tenant, $this> */
+    public function tenant(): BelongsTo
+    {
+        return $this->belongsTo(Tenant::class, 'tenant_code', 'codigo');
+    }
+
+    /** @return BelongsTo<Category, $this> */
+    public function category(): BelongsTo
+    {
+        return $this->belongsTo(Category::class);
+    }
+
+    /** @return HasMany<FeaturedItem, $this> */
+    public function featuredItems(): HasMany
+    {
+        return $this->hasMany(FeaturedItem::class)->orderBy('order');
+    }
+}

app/Domains/Commerce/Catalog/Models/FeaturedItem.php

@@ -0,0 +1,43 @@
+<?php
+
+namespace App\Domains\Catalog\Models;
+
+use Illuminate\Database\Eloquent\Attributes\Fillable;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+#[Fillable([
+    'featured_group_id',
+    'catalog_item_id',
+    'order',
+])]
+class FeaturedItem extends Model
+{
+    use HasFactory;
+
+    public $timestamps = false;
+
+    protected $table = 'featured_items';
+
+    protected function casts(): array
+    {
+        return [
+            'featured_group_id' => 'integer',
+            'catalog_item_id' => 'integer',
+            'order' => 'integer',
+        ];
+    }
+
+    /** @return BelongsTo<FeaturedGroup, $this> */
+    public function featuredGroup(): BelongsTo
+    {
+        return $this->belongsTo(FeaturedGroup::class);
+    }
+
+    /** @return BelongsTo<CatalogItem, $this> */
+    public function catalogItem(): BelongsTo
+    {
+        return $this->belongsTo(CatalogItem::class);
+    }
+}

app/Domains/Commerce/Catalog/Models/Inventory.php

@@ -0,0 +1,107 @@
+<?php
+
+namespace App\Domains\Catalog\Models;
+
+use Illuminate\Database\Eloquent\Attributes\Fillable;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Database\Eloquent\Relations\HasOne;
+
+#[Fillable([
+    'sold_units',
+    'refunded_units',
+    'reserved_stock',
+    'real_stock',
+])]
+class Inventory extends Model
+{
+    use HasFactory;
+
+    public $timestamps = false;
+
+    protected $table = 'inventories';
+
+    protected $attributes = [
+        'sold_units' => 0,
+        'refunded_units' => 0,
+        'reserved_stock' => 0,
+        'real_stock' => 0,
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'sold_units' => 'integer',
+            'refunded_units' => 'integer',
+            'reserved_stock' => 'integer',
+            'real_stock' => 'integer',
+        ];
+    }
+
+    /** @return HasOne<CatalogItem, $this> */
+    public function catalogItem(): HasOne
+    {
+        return $this->hasOne(CatalogItem::class);
+    }
+
+    /** @return HasMany<Variant, $this> */
+    public function variants(): HasMany
+    {
+        return $this->hasMany(Variant::class);
+    }
+
+    /** @return HasMany<StockReservationLine, $this> */
+    public function stockReservationLines(): HasMany
+    {
+        return $this->hasMany(StockReservationLine::class);
+    }
+
+    public function availableStock(): int
+    {
+        return max(0, $this->real_stock - $this->reserved_stock);
+    }
+
+    public function reserve(int $amount, bool $tracksInventory): void
+    {
+        if ($amount < 0) {
+            throw new \InvalidArgumentException('La cantidad a reservar debe ser positiva.');
+        }
+
+        if ($tracksInventory && $this->availableStock() < $amount) {
+            throw new \InvalidArgumentException('No hay suficiente stock disponible para reservar.');
+        }
+
+        $this->reserved_stock += $amount;
+        $this->save();
+    }
+
+    public function release(int $amount): void
+    {
+        if ($amount < 0 || $this->reserved_stock < $amount) {
+            throw new \InvalidArgumentException('La cantidad reservada no es válida.');
+        }
+
+        $this->reserved_stock -= $amount;
+        $this->save();
+    }
+
+    public function buy(int $amount, bool $tracksInventory): void
+    {
+        if ($amount < 0 || $this->reserved_stock < $amount) {
+            throw new \InvalidArgumentException('La cantidad reservada no alcanza para confirmar la compra.');
+        }
+
+        if ($tracksInventory && $this->real_stock < $amount) {
+            throw new \InvalidArgumentException('No hay suficiente stock real para confirmar la compra.');
+        }
+
+        if ($tracksInventory) {
+            $this->real_stock -= $amount;
+        }
+
+        $this->reserved_stock -= $amount;
+        $this->sold_units += $amount;
+        $this->save();
+    }
+}

app/Domains/Commerce/Catalog/Models/ItemAttribute.php

@@ -0,0 +1,57 @@
+<?php
+
+namespace App\Domains\Catalog\Models;
+
+use Illuminate\Database\Eloquent\Attributes\Fillable;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+#[Fillable([
+    'catalog_item_id',
+    'attribute_id',
+    'allow_multi_select',
+    'sort_order',
+    'show_in_selector',
+    'ticket_label',
+])]
+class ItemAttribute extends Model
+{
+    use HasFactory;
+
+    protected $table = 'item_attributes';
+
+    protected $attributes = [
+        'show_in_selector' => true,
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'catalog_item_id' => 'integer',
+            'attribute_id' => 'integer',
+            'allow_multi_select' => 'boolean',
+            'sort_order' => 'integer',
+            'show_in_selector' => 'boolean',
+        ];
+    }
+
+    /** @return BelongsTo<CatalogItem, $this> */
+    public function catalogItem(): BelongsTo
+    {
+        return $this->belongsTo(CatalogItem::class);
+    }
+
+    /** @return BelongsTo<Attribute, $this> */
+    public function attribute(): BelongsTo
+    {
+        return $this->belongsTo(Attribute::class);
+    }
+
+    /** @return HasMany<VariantDefinition, $this> */
+    public function variantDefinitions(): HasMany
+    {
+        return $this->hasMany(VariantDefinition::class);
+    }
+}

app/Domains/Commerce/Catalog/Models/StockReservation.php

@@ -0,0 +1,57 @@
+<?php
+
+namespace App\Domains\Catalog\Models;
+
+use App\Domains\Cart\Models\Cart;
+use App\Domains\Purchase\Models\Purchase;
+use Illuminate\Database\Eloquent\Attributes\Fillable;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Database\Eloquent\Relations\HasOne;
+
+#[Fillable([
+    'status',
+    'expires_at',
+    'committed_at',
+    'released_at',
+    'expired_at',
+    'release_reason',
+])]
+class StockReservation extends Model
+{
+    public const STATUS_ACTIVE = 'active';
+
+    public const STATUS_COMMITTED = 'committed';
+
+    public const STATUS_RELEASED = 'released';
+
+    public const STATUS_EXPIRED = 'expired';
+
+    protected function casts(): array
+    {
+        return [
+            'expires_at' => 'datetime',
+            'committed_at' => 'datetime',
+            'released_at' => 'datetime',
+            'expired_at' => 'datetime',
+        ];
+    }
+
+    /** @return HasMany<StockReservationLine, $this> */
+    public function lines(): HasMany
+    {
+        return $this->hasMany(StockReservationLine::class);
+    }
+
+    /** @return HasOne<Cart, $this> */
+    public function currentCart(): HasOne
+    {
+        return $this->hasOne(Cart::class, 'current_stock_reservation_id');
+    }
+
+    /** @return HasOne<Purchase, $this> */
+    public function purchase(): HasOne
+    {
+        return $this->hasOne(Purchase::class);
+    }
+}

app/Domains/Commerce/Catalog/Models/StockReservationLine.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace App\Domains\Catalog\Models;
+
+use Illuminate\Database\Eloquent\Attributes\Fillable;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+#[Fillable([
+    'stock_reservation_id',
+    'inventory_id',
+    'quantity',
+    'tracks_inventory',
+])]
+class StockReservationLine extends Model
+{
+    protected function casts(): array
+    {
+        return [
+            'stock_reservation_id' => 'integer',
+            'inventory_id' => 'integer',
+            'quantity' => 'integer',
+            'tracks_inventory' => 'boolean',
+        ];
+    }
+
+    /** @return BelongsTo<StockReservation, $this> */
+    public function reservation(): BelongsTo
+    {
+        return $this->belongsTo(StockReservation::class, 'stock_reservation_id');
+    }
+
+    /** @return BelongsTo<Inventory, $this> */
+    public function inventory(): BelongsTo
+    {
+        return $this->belongsTo(Inventory::class);
+    }
+}

app/Domains/Commerce/Catalog/Models/Variant.php

@@ -0,0 +1,345 @@
+<?php
+
+namespace App\Domains\Catalog\Models;
+
+use App\Domains\Attachable\Models\Attachment;
+use App\Domains\Event\Models\EventDate;
+use App\Domains\Ticket\Models\Ticket;
+use Illuminate\Database\Eloquent\Attributes\Fillable;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\BelongsToMany;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Database\Eloquent\SoftDeletes;
+use Illuminate\Support\Collection;
+use Illuminate\Support\Facades\Lang;
+use Illuminate\Support\Str;
+
+#[Fillable([
+    'catalog_item_id',
+    'event_date_id',
+    'inventory_id',
+    'replaced_by_variant_id',
+    'sales_disabled_at',
+    'descripcion',
+    'precio',
+])]
+class Variant extends Model
+{
+    use HasFactory, SoftDeletes;
+
+    public $timestamps = false;
+
+    protected $table = 'variantes';
+
+    protected function casts(): array
+    {
+        return [
+            'catalog_item_id' => 'integer',
+            'event_date_id' => 'integer',
+            'inventory_id' => 'integer',
+            'replaced_by_variant_id' => 'integer',
+            'sales_disabled_at' => 'datetime',
+            'precio' => 'decimal:2',
+        ];
+    }
+
+    /** @return BelongsTo<CatalogItem, $this> */
+    public function catalogItem(): BelongsTo
+    {
+        return $this->belongsTo(CatalogItem::class)->withTrashed();
+    }
+
+    /** @return BelongsTo<EventDate, $this> */
+    public function eventDate(): BelongsTo
+    {
+        return $this->belongsTo(EventDate::class);
+    }
+
+    /** @return BelongsToMany<EventDate, $this> */
+    public function eventDates(): BelongsToMany
+    {
+        return $this->belongsToMany(
+            EventDate::class,
+            'variant_event_dates',
+            'variant_id',
+            'event_date_id',
+        )->orderBy('date')->orderBy('time_start');
+    }
+
+    /** @return HasMany<Ticket, $this> */
+    public function sourceTickets(): HasMany
+    {
+        return $this->hasMany(Ticket::class, 'source_variant_id');
+    }
+
+    /** @return BelongsTo<Inventory, $this> */
+    public function inventory(): BelongsTo
+    {
+        return $this->belongsTo(Inventory::class);
+    }
+
+    /** @return BelongsTo<Variant, $this> */
+    public function replacement(): BelongsTo
+    {
+        return $this->belongsTo(self::class, 'replaced_by_variant_id');
+    }
+
+    /** @return HasMany<Variant, $this> */
+    public function replacedVariants(): HasMany
+    {
+        return $this->hasMany(self::class, 'replaced_by_variant_id');
+    }
+
+    public function isSellable(): bool
+    {
+        return $this->sales_disabled_at === null
+            && $this->replaced_by_variant_id === null
+            && $this->hasOnlyActiveEventDates();
+    }
+
+    public function hasOnlyActiveEventDates(): bool
+    {
+        if (! $this->exists
+            && $this->event_date_id === null
+            && ! $this->relationLoaded('eventDates')) {
+            return true;
+        }
+
+        return $this->selectedEventDates()->every(
+            fn (EventDate $eventDate): bool => $eventDate->rescheduled_to_event_date_id === null
+                && $eventDate->suspended_at === null,
+        );
+    }
+
+    /** @return HasMany<VariantDefinition, $this> */
+    public function definitions(): HasMany
+    {
+        return $this->hasMany(VariantDefinition::class);
+    }
+
+    /** @return BelongsToMany<Attachment, $this> */
+    public function attachments(): BelongsToMany
+    {
+        return $this->allAttachments()->wherePivot('is_enabled', true);
+    }
+
+    /** @return BelongsToMany<Attachment, $this> */
+    public function allAttachments(): BelongsToMany
+    {
+        $relation = $this->belongsToMany(
+            Attachment::class,
+            'catalog_items_attachments',
+            'variant_id',
+            'attachment_id'
+        )
+            ->withPivot(['orden', 'is_enabled'])
+            ->orderByPivot('orden');
+
+        if ($this->catalog_item_id !== null) {
+            $relation->withPivotValue('catalog_item_id', $this->catalog_item_id);
+        }
+
+        return $relation;
+    }
+
+    public function getPrice(): float
+    {
+        return (float) ($this->precio ?? $this->catalogItem->precio);
+    }
+
+    public function getDescription(): ?string
+    {
+        return $this->descripcion ?? $this->catalogItem->descripcion;
+    }
+
+    public function getName(): string
+    {
+        return $this->catalogItem->nombre;
+    }
+
+    public function getSelectionLabel(): string
+    {
+        $this->loadMissing([
+            'catalogItem.itemAttributes.attribute.options',
+            'definitions.itemAttribute.attribute.options',
+            'eventDates',
+            'eventDate',
+        ]);
+
+        $itemAttributes = $this->catalogItem->itemAttributes;
+
+        $label = $this->selectionOptions($itemAttributes)
+            ->map(function (array $option, string $attributeCode) use ($itemAttributes): ?string {
+                $itemAttribute = $itemAttributes->first(
+                    fn (ItemAttribute $candidate): bool => $candidate->attribute?->codigo === $attributeCode,
+                );
+                $translationKey = "api.catalog.attribute_labels.{$attributeCode}";
+                $attributeName = Lang::has($translationKey)
+                    ? __($translationKey)
+                    : ($itemAttribute?->attribute?->nombre ?? Str::headline($attributeCode));
+                $selectedOptions = array_is_list($option) ? $option : [$option];
+                $selectedLabels = collect($selectedOptions)
+                    ->pluck('label')
+                    ->filter()
+                    ->implode(', ');
+
+                return $selectedLabels === ''
+                    ? null
+                    : "{$attributeName} {$selectedLabels}";
+            })
+            ->filter()
+            ->implode(' · ');
+
+        return $label !== '' ? $label : $this->getName();
+    }
+
+    /** @return Collection<string, string|array<int, string>> */
+    public function selectionValues(): Collection
+    {
+        $values = $this->definitions
+            ->groupBy('item_attribute_id')
+            ->mapWithKeys(function (Collection $definitions): array {
+                $itemAttribute = $definitions->first()?->itemAttribute;
+                $attributeCode = $itemAttribute?->attribute?->codigo;
+
+                if ($attributeCode === null) {
+                    return [];
+                }
+
+                $definitionValues = $definitions->pluck('value')->values();
+
+                return [
+                    $attributeCode => $itemAttribute->allow_multi_select
+                        ? $definitionValues->all()
+                        : $definitionValues->first(),
+                ];
+            });
+
+        $eventDateIds = $this->selectedEventDates()
+            ->pluck('id')
+            ->map(fn ($id): string => (string) $id)
+            ->values();
+
+        if ($eventDateIds->count() === 1) {
+            $values->put('event_date', $eventDateIds->first());
+        } elseif ($eventDateIds->isNotEmpty()) {
+            $values->put('event_date', $eventDateIds->all());
+        }
+
+        return $values;
+    }
+
+    /**
+     * @return Collection<string, array{value: string, label: string}|array<int, array{value: string, label: string}>>
+     */
+    public function selectionOptions(?Collection $itemAttributes = null): Collection
+    {
+        $options = $this->definitions
+            ->groupBy('item_attribute_id')
+            ->mapWithKeys(function (Collection $definitions): array {
+                $itemAttribute = $definitions->first()?->itemAttribute;
+                $attribute = $itemAttribute?->attribute;
+                $attributeCode = $attribute?->codigo;
+
+                if ($attributeCode === null) {
+                    return [];
+                }
+
+                $values = $definitions
+                    ->pluck('value')
+                    ->values()
+                    ->map(function (string $value) use ($attribute): array {
+                        $attributeOption = $attribute->options->firstWhere('value', $value);
+
+                        return [
+                            'value' => $value,
+                            'label' => $attributeOption?->label ?? $value,
+                        ];
+                    });
+
+                return [
+                    $attributeCode => $itemAttribute->allow_multi_select
+                        ? $values->all()
+                        : $values->first(),
+                ];
+            });
+
+        $eventDateOptions = $this->selectedEventDates()
+            ->map(fn (EventDate $eventDate): array => [
+                'value' => (string) $eventDate->id,
+                'label' => $eventDate->date->format('d/m/Y'),
+            ])
+            ->values();
+
+        if ($eventDateOptions->count() === 1) {
+            $options->put('event_date', $eventDateOptions->first());
+        } elseif ($eventDateOptions->isNotEmpty()) {
+            $options->put('event_date', $eventDateOptions->all());
+        }
+
+        if ($itemAttributes === null) {
+            $itemAttributes = $this->definitions
+                ->map(fn (VariantDefinition $definition) => $definition->itemAttribute)
+                ->filter()
+                ->unique('id')
+                ->values();
+
+            if ($this->catalogItem !== null) {
+                $itemAttributes = $itemAttributes
+                    ->merge($this->catalogItem->itemAttributes)
+                    ->unique('id')
+                    ->values();
+            }
+        }
+
+        $ordering = $itemAttributes->mapWithKeys(function (ItemAttribute $itemAttribute): array {
+            $attribute = $itemAttribute->attribute;
+
+            return $attribute === null
+                ? []
+                : [$attribute->codigo => [$itemAttribute->sort_order, mb_strtolower($attribute->nombre)]];
+        });
+
+        return $options->sortKeysUsing(function (string $left, string $right) use ($ordering): int {
+            [$leftOrder, $leftLabel] = $ordering->get($left, [0, mb_strtolower($left)]);
+            [$rightOrder, $rightLabel] = $ordering->get($right, [0, mb_strtolower($right)]);
+
+            return $leftOrder <=> $rightOrder
+                ?: $leftLabel <=> $rightLabel
+                ?: $left <=> $right;
+        });
+    }
+
+    /**
+     * @param  Collection<int, ItemAttribute>  $itemAttributes
+     * @return Collection<string, array{value: string, label: string}|array<int, array{value: string, label: string}>>
+     */
+    public function selectorOptions(Collection $itemAttributes): Collection
+    {
+        $visibleAttributeCodes = $itemAttributes
+            ->filter(fn (ItemAttribute $itemAttribute): bool => $itemAttribute->show_in_selector)
+            ->map(fn (ItemAttribute $itemAttribute): ?string => $itemAttribute->attribute?->codigo)
+            ->filter()
+            ->values();
+
+        return $this->selectionOptions($itemAttributes)
+            ->filter(
+                fn (array $option, string $attributeCode): bool => $visibleAttributeCodes
+                    ->contains($attributeCode)
+            );
+    }
+
+    /** @return Collection<int, EventDate> */
+    public function selectedEventDates(): Collection
+    {
+        $eventDates = $this->eventDates;
+
+        if ($eventDates->isEmpty() && $this->event_date_id !== null && $this->eventDate !== null) {
+            return collect([$this->eventDate]);
+        }
+
+        return $eventDates;
+    }
+}

app/Domains/Commerce/Catalog/Models/VariantDefinition.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace App\Domains\Catalog\Models;
+
+use Illuminate\Database\Eloquent\Attributes\Fillable;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+#[Fillable([
+    'variant_id',
+    'item_attribute_id',
+    'value',
+])]
+class VariantDefinition extends Model
+{
+    use HasFactory;
+
+    protected $table = 'variant_values';
+
+    /** @return BelongsTo<Variant, $this> */
+    public function variant(): BelongsTo
+    {
+        return $this->belongsTo(Variant::class);
+    }
+
+    /** @return BelongsTo<ItemAttribute, $this> */
+    public function itemAttribute(): BelongsTo
+    {
+        return $this->belongsTo(ItemAttribute::class);
+    }
+}

app/Domains/Commerce/Catalog/Requests/AdminApp/UpsertOnTicketFeaturedGroupRequest.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace App\Domains\Catalog\Requests\AdminApp;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class UpsertOnTicketFeaturedGroupRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    /** @return array<string, mixed> */
+    public function rules(): array
+    {
+        return [
+            'category_name' => ['required', 'string', 'max:255'],
+            'is_featured' => ['required', 'boolean'],
+        ];
+    }
+}

app/Domains/Commerce/Catalog/Requests/CatalogItemDetailRequest.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Domains\Catalog\Requests;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class CatalogItemDetailRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    /** @return array<string, list<string>> */
+    public function rules(): array
+    {
+        return [
+            'variant_id' => ['sometimes', 'integer', 'min:1'],
+        ];
+    }
+}

app/Domains/Commerce/Catalog/Requests/CatalogVariantOptionsRequest.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace App\Domains\Catalog\Requests;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class CatalogVariantOptionsRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    /** @return array<string, list<string>> */
+    public function rules(): array
+    {
+        return [
+            'selected_values' => ['sometimes', 'array'],
+            'selected_values.*' => ['nullable'],
+            'cart_item_id' => ['sometimes', 'nullable', 'integer', 'min:1'],
+        ];
+    }
+}

app/Domains/Commerce/Catalog/Requests/CategoryPageRequest.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Domains\Catalog\Requests;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class CategoryPageRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    /** @return array<string, list<string>> */
+    public function rules(): array
+    {
+        return [
+            'page' => ['sometimes', 'integer', 'min:1'],
+        ];
+    }
+}

app/Domains/Commerce/Catalog/Requests/FeaturedGroupPageRequest.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Domains\Catalog\Requests;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class FeaturedGroupPageRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    /** @return array<string, list<string>> */
+    public function rules(): array
+    {
+        return [
+            'page' => ['sometimes', 'integer', 'min:1'],
+        ];
+    }
+}

app/Domains/Commerce/Catalog/Requests/SearchCatalogItemsRequest.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace App\Domains\Catalog\Requests;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class SearchCatalogItemsRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    /** @return array<string, list<string>> */
+    public function rules(): array
+    {
+        return [
+            'q' => ['required', 'string', 'min:2', 'max:100'],
+            'page' => ['sometimes', 'integer', 'min:1'],
+        ];
+    }
+
+    protected function prepareForValidation(): void
+    {
+        if ($this->has('q') && is_string($this->input('q'))) {
+            $this->merge(['q' => trim($this->string('q')->toString())]);
+        }
+    }
+}

app/Domains/Commerce/Catalog/Requests/StoreCatalogItemRequest.php

@@ -0,0 +1,145 @@
+<?php
+
+namespace App\Domains\Catalog\Requests;
+
+use App\Domains\Catalog\Enums\CatalogItemType;
+use App\Domains\Catalog\Enums\InventoryPolicy;
+use App\Domains\Catalog\Enums\InventorySubject;
+use App\Domains\Shared\Rules\ImageOrBase64Rule;
+use Illuminate\Foundation\Http\FormRequest;
+use Illuminate\Validation\Rule;
+
+class StoreCatalogItemRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    /** @return array<string, mixed> */
+    public function rules(): array
+    {
+        $tenantCode = $this->route('tenant')?->codigo;
+        $type = $this->input('type', CatalogItemType::Standard->value);
+        $isBundle = $type === CatalogItemType::Bundle->value;
+
+        return [
+            'tenant_code' => ['prohibited'],
+            'type' => ['sometimes', Rule::enum(CatalogItemType::class)],
+            'category_id' => [
+                'sometimes',
+                'nullable',
+                'integer',
+                Rule::exists('categorias', 'id')->where(
+                    fn ($query) => $query->where('tenant_code', $tenantCode)
+                ),
+            ],
+            'brand_id' => [
+                'sometimes',
+                'nullable',
+                'integer',
+                Rule::exists('brands', 'id')->where(
+                    fn ($query) => $query->where('tenant_codigo', $tenantCode)
+                ),
+            ],
+            'slug' => [
+                'required',
+                'string',
+                'max:255',
+                Rule::unique('catalog_items', 'slug')->where(
+                    fn ($query) => $query->where('tenant_code', $tenantCode)
+                ),
+            ],
+            'nombre' => ['required', 'string', 'max:255'],
+            'group_order' => ['sometimes', 'integer', 'min:0'],
+            'descripcion' => ['sometimes', 'nullable', 'string'],
+            'precio' => ['required', 'numeric', 'min:0'],
+            'inventory_policy' => [Rule::prohibitedIf($isBundle), 'sometimes', Rule::enum(InventoryPolicy::class)],
+            'inventory_subject' => ['sometimes', Rule::enum(InventorySubject::class)],
+            'max_units_per_user' => ['sometimes', 'nullable', 'integer', 'min:1'],
+            'has_tickets' => [Rule::prohibitedIf($isBundle), 'sometimes', 'boolean'],
+            'real_stock' => [Rule::prohibitedIf($isBundle), 'sometimes', 'integer', 'min:0'],
+            'inventory_id' => ['prohibited'],
+            'reserved_stock' => ['prohibited'],
+            'sold_units' => ['prohibited'],
+            'attribute_codes' => [Rule::prohibitedIf($isBundle), 'sometimes', 'array'],
+            'attribute_codes.*' => [
+                'required',
+                'string',
+                'distinct',
+                Rule::exists('attribute', 'codigo')->where(
+                    fn ($query) => $query->where('tenant_codigo', $tenantCode)
+                ),
+            ],
+            'multi_select_attribute_codes' => [Rule::prohibitedIf($isBundle), 'sometimes', 'array'],
+            'multi_select_attribute_codes.*' => [
+                'required',
+                'string',
+                'distinct',
+                Rule::exists('attribute', 'codigo')->where(
+                    fn ($query) => $query->where('tenant_codigo', $tenantCode)
+                ),
+            ],
+            'hidden_attribute_codes' => [Rule::prohibitedIf($isBundle), 'sometimes', 'array'],
+            'hidden_attribute_codes.*' => [
+                'required',
+                'string',
+                'distinct',
+                Rule::exists('attribute', 'codigo')->where(
+                    fn ($query) => $query->where('tenant_codigo', $tenantCode)
+                ),
+            ],
+            'images' => ['sometimes', 'array'],
+            'images.*' => ['required', new ImageOrBase64Rule],
+            'variants' => [Rule::prohibitedIf($isBundle), 'sometimes', 'array'],
+            'variants.*.real_stock' => ['sometimes', 'integer', 'min:0'],
+            'variants.*.descripcion' => ['sometimes', 'nullable', 'string'],
+            'variants.*.precio' => ['sometimes', 'nullable', 'numeric', 'min:0', 'max:99999999.99'],
+            'variants.*.event_date_id' => [
+                'sometimes',
+                'nullable',
+                'integer',
+                Rule::exists('event_dates', 'id')->where(
+                    fn ($query) => $query->where('tenant_code', $tenantCode)
+                ),
+            ],
+            'variants.*.event_date_ids' => ['sometimes', 'array', 'min:1'],
+            'variants.*.event_date_ids.*' => [
+                'required',
+                'integer',
+                'distinct',
+                Rule::exists('event_dates', 'id')->where(
+                    fn ($query) => $query->where('tenant_code', $tenantCode)
+                ),
+            ],
+            'variants.*.inventory_id' => ['prohibited'],
+            'variants.*.reserved_stock' => ['prohibited'],
+            'variants.*.sold_units' => ['prohibited'],
+            'variants.*.values' => ['sometimes', 'array'],
+            'variants.*.values.*' => ['nullable'],
+            'variants.*.values.*.*' => ['required', 'string'],
+            'variants.*.images' => ['sometimes', 'array'],
+            'variants.*.images.*' => ['required', new ImageOrBase64Rule],
+            'components' => [
+                Rule::requiredIf($isBundle),
+                Rule::prohibitedIf(! $isBundle),
+                'array',
+                'min:1',
+            ],
+            'components.*.catalog_item_id' => [
+                'required',
+                'integer',
+                Rule::exists('catalog_items', 'id')->where(
+                    fn ($query) => $query->where('tenant_code', $tenantCode)
+                ),
+            ],
+            'components.*.variant_id' => [
+                'sometimes',
+                'nullable',
+                'integer',
+                Rule::exists('variantes', 'id'),
+            ],
+            'components.*.quantity' => ['required', 'integer', 'min:1'],
+        ];
+    }
+}

app/Domains/Commerce/Catalog/Resources/AdminApp/OnTicketFeaturedGroupResource.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace App\Domains\Catalog\Resources\AdminApp;
+
+use App\Domains\Catalog\Enums\ProductLayout;
+use App\Domains\Catalog\Models\FeaturedGroup;
+use Illuminate\Http\Request;
+use Illuminate\Http\Resources\Json\JsonResource;
+
+/** @mixin FeaturedGroup */
+class OnTicketFeaturedGroupResource extends JsonResource
+{
+    /** @return array<string, mixed> */
+    public function toArray(Request $request): array
+    {
+        return [
+            'id' => $this->id,
+            'code' => $this->code,
+            'category_id' => $this->category_id,
+            'category_name' => $this->category->nombre,
+            'group_name' => $this->group_name,
+            'is_featured' => $this->product_layout === ProductLayout::Row,
+            'type' => $this->source_type->value,
+            'product_layout' => $this->product_layout->value,
+            'group_layout' => $this->group_layout->value,
+            'order' => $this->group_order,
+        ];
+    }
+}

app/Domains/Commerce/Catalog/Resources/CatalogFeaturedGroupResource.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Domains\Catalog\Resources;
+
+use App\Domains\Catalog\Models\FeaturedGroup;
+use Illuminate\Http\Request;
+use Illuminate\Http\Resources\Json\JsonResource;
+
+/** @mixin FeaturedGroup */
+class CatalogFeaturedGroupResource extends JsonResource
+{
+    /** @param array<array-key, mixed> $items */
+    public function __construct($resource, private readonly array $items)
+    {
+        parent::__construct($resource);
+    }
+
+    /** @return array<string, mixed> */
+    public function toArray(Request $request): array
+    {
+        return [
+            'id' => $this->id,
+            'code' => $this->code,
+            'title' => $this->group_name,
+            'layout' => $this->product_layout->value,
+            'group_layout' => $this->group_layout->value,
+            'group_order' => $this->group_order,
+            'items' => $this->items,
+        ];
+    }
+}

app/Domains/Commerce/Catalog/Resources/CatalogFeaturedItemResource.php

@@ -0,0 +1,136 @@
+<?php
+
+namespace App\Domains\Catalog\Resources;
+
+use App\Domains\Catalog\Enums\InventoryPolicy;
+use App\Domains\Catalog\Enums\ProductLayout;
+use App\Domains\Catalog\Models\CatalogItem;
+use App\Domains\Catalog\Models\FeaturedGroup;
+use App\Domains\Catalog\Models\Variant;
+use App\Domains\Catalog\Services\CatalogItemAllowanceService;
+use Illuminate\Http\Request;
+use Illuminate\Http\Resources\Json\JsonResource;
+
+/** @mixin CatalogItem */
+class CatalogFeaturedItemResource extends JsonResource
+{
+    /** @return array<string, mixed> */
+    public function toArray(Request $request): array
+    {
+        $catalogItem = $this->resource;
+        /** @var FeaturedGroup $featuredGroup */
+        $featuredGroup = $catalogItem->getRelation('featuredGroup');
+
+        if ($featuredGroup->product_layout === ProductLayout::ColumnWithImage) {
+            return $this->columnWithImageData($catalogItem);
+        }
+
+        if ($featuredGroup->product_layout === ProductLayout::TicketSelector) {
+            return $this->ticketSelectorData($catalogItem);
+        }
+
+        $remainingUserQuota = $catalogItem->getAttribute('remaining_user_quota');
+        $availableStock = $catalogItem->availableStock();
+
+        $data = [
+            'id' => $catalogItem->id,
+            'type' => $catalogItem->type->value,
+            'nombre' => $catalogItem->nombre,
+            'descripcion' => $catalogItem->descripcion,
+            'precio' => $catalogItem->precio,
+            'maximum_addable_quantity' => $this->maximumAddable(
+                $availableStock,
+                $remainingUserQuota,
+            ),
+            'unavailable_message' => $this->unavailableMessage(
+                $availableStock,
+                $remainingUserQuota,
+            ),
+            'variants' => $catalogItem->visibleVariants()
+                ->map(function (Variant $variant) use ($catalogItem, $remainingUserQuota): array {
+                    $variantStock = $catalogItem->inventory_policy === InventoryPolicy::Unlimited
+                        ? null
+                        : $variant->inventory->availableStock();
+
+                    return [
+                        'id' => $variant->id,
+                        'event_date_id' => $variant->event_date_id,
+                        'event_date' => $variant->eventDate?->date?->format('Y-m-d'),
+                        'event_date_ids' => $variant->selectedEventDates()->pluck('id')->values(),
+                        'event_dates' => $variant->selectedEventDates()->map(fn ($eventDate): string => $eventDate->date->format('Y-m-d'))->values(),
+                        'descripcion' => $variant->getDescription(),
+                        'precio' => number_format($variant->getPrice(), 2, '.', ''),
+                        'maximum_addable_quantity' => $this->maximumAddable(
+                            $variantStock,
+                            $remainingUserQuota,
+                        ),
+                        'unavailable_message' => $this->unavailableMessage(
+                            $variantStock,
+                            $remainingUserQuota,
+                        ),
+                        'values' => $variant->selectorOptions($catalogItem->itemAttributes),
+                    ];
+                })
+                ->values(),
+        ];
+
+        return $data;
+    }
+
+    /** @return array<string, mixed> */
+    private function ticketSelectorData(CatalogItem $catalogItem): array
+    {
+        $availableStock = $catalogItem->availableStock();
+        $remainingUserQuota = $catalogItem->getAttribute('remaining_user_quota');
+
+        return [
+            'id' => $catalogItem->id,
+            'type' => $catalogItem->type->value,
+            'nombre' => $catalogItem->nombre,
+            'descripcion' => $catalogItem->descripcion,
+            'precio' => $catalogItem->precio,
+            'image' => $this->firstImageUrl($catalogItem),
+            'maximum_addable_quantity' => $this->maximumAddable($availableStock, $remainingUserQuota),
+            'unavailable_message' => $this->unavailableMessage($availableStock, $remainingUserQuota),
+        ];
+    }
+
+    /** @return array<string, mixed> */
+    private function columnWithImageData(CatalogItem $catalogItem): array
+    {
+        $availableStock = $catalogItem->availableStock();
+        $remainingUserQuota = $catalogItem->getAttribute('remaining_user_quota');
+
+        return [
+            'id' => $catalogItem->id,
+            'type' => $catalogItem->type->value,
+            'nombre' => $catalogItem->nombre,
+            'precio' => $catalogItem->precio,
+            'image' => $this->firstImageUrl($catalogItem),
+            'maximum_addable_quantity' => $this->maximumAddable($availableStock, $remainingUserQuota),
+            'unavailable_message' => $this->unavailableMessage($availableStock, $remainingUserQuota),
+        ];
+    }
+
+    private function firstImageUrl(CatalogItem $catalogItem): ?string
+    {
+        $attachment = $catalogItem->attachments->first()
+            ?? $catalogItem->visibleVariants()
+                ->flatMap(fn (Variant $variant) => $variant->attachments)
+                ->first();
+
+        return $attachment?->getTemporaryUrl(1440);
+    }
+
+    private function maximumAddable(?int $stock, ?int $remainingUserQuota): ?int
+    {
+        return app(CatalogItemAllowanceService::class)
+            ->maximumAddableQuantity($stock, $remainingUserQuota);
+    }
+
+    private function unavailableMessage(?int $stock, ?int $remainingUserQuota): ?string
+    {
+        return app(CatalogItemAllowanceService::class)
+            ->unavailableMessage($stock, $remainingUserQuota);
+    }
+}

app/Domains/Commerce/Catalog/Resources/CatalogItemDetailResource.php

@@ -0,0 +1,212 @@
+<?php
+
+namespace App\Domains\Catalog\Resources;
+
+use App\Domains\Catalog\Enums\InventoryPolicy;
+use App\Domains\Catalog\Models\CatalogItem;
+use App\Domains\Catalog\Models\ItemAttribute;
+use App\Domains\Catalog\Models\Variant;
+use App\Domains\Catalog\Services\CatalogItemAllowanceService;
+use App\Domains\Shared\Enums\FieldType;
+use App\Domains\Ticket\Resources\ValidityTimeResource;
+use Illuminate\Http\Request;
+use Illuminate\Http\Resources\Json\JsonResource;
+use Illuminate\Support\Collection;
+
+/** @mixin CatalogItem */
+class CatalogItemDetailResource extends JsonResource
+{
+    /** @return array<string, mixed> */
+    public function toArray(Request $request): array
+    {
+        /** @var Variant|null $selectedVariant */
+        $selectedVariant = $this->resource->getRelation('selectedVariant');
+
+        return [
+            'id' => $this->id,
+            'type' => $this->type->value,
+            'category_id' => $this->category_id,
+            'brand_id' => $this->brand_id,
+            'slug' => $this->slug,
+            'nombre' => $this->nombre,
+            'descripcion' => $this->descripcion,
+            'precio' => $this->precio,
+            'category' => $this->category?->nombre,
+            'brand' => $this->brand?->nombre,
+            'inventory_policy' => $this->inventory_policy?->value,
+            'inventory_subject' => $this->inventory_subject->value,
+            'max_units_per_user' => $this->max_units_per_user,
+            'has_tickets' => $this->has_tickets,
+            'attributes' => $this->attributesData(),
+            'maximum_addable_quantity' => $this->when(
+                $selectedVariant === null,
+                fn () => $this->maximumAddable($this->availableStock()),
+            ),
+            'unavailable_message' => $this->when(
+                $selectedVariant === null,
+                fn () => $this->unavailableMessage($this->availableStock()),
+            ),
+            'images' => $this->when(
+                $selectedVariant === null,
+                fn () => $this->imageUrls($this->attachments),
+            ),
+            'variants' => $this->variants
+                ->map(fn (Variant $variant): array => $this->variantData($variant))
+                ->values(),
+            'selected_variant' => $this->when(
+                $selectedVariant !== null,
+                fn (): array => [
+                    ...$this->variantData($selectedVariant),
+                    'images' => $this->imageUrls($selectedVariant->attachments),
+                ],
+            ),
+            'components' => $this->when(
+                $this->isBundle(),
+                fn () => $this->bundleComponents
+                    ->map(function ($component): array {
+                        $selectedItem = $component->variant ?? $component->catalogItem;
+
+                        return [
+                            'catalog_item_id' => $component->component_catalog_item_id,
+                            'variant_id' => $component->component_variant_id,
+                            'quantity' => $component->quantity,
+                            'nombre' => $component->catalogItem->nombre,
+                            'item_nombre' => $selectedItem->getName(),
+                        ];
+                    })
+                    ->values(),
+            ),
+        ];
+    }
+
+    /** @return array<string, mixed> */
+    private function attributeData(ItemAttribute $itemAttribute): array
+    {
+        $attribute = $itemAttribute->attribute;
+
+        return [
+            'id' => $attribute->id,
+            'codigo' => $attribute->codigo,
+            'nombre' => $attribute->nombre,
+            'sort_order' => $itemAttribute->sort_order,
+            'show_in_selector' => $itemAttribute->show_in_selector,
+            'ticket_label' => $itemAttribute->ticket_label,
+            'is_required' => $attribute->is_required,
+            'allow_multi_select' => $itemAttribute->allow_multi_select,
+            'metadata_schema' => $attribute->metadata_schema,
+            'type' => $attribute->type->value,
+            'options' => $attribute->type === FieldType::EventDate
+                ? $this->eventDateOptions($itemAttribute)
+                : $this->catalogAttributeOptions($itemAttribute),
+        ];
+    }
+
+    /** @return Collection<int, array<string, mixed>> */
+    private function eventDateOptions(ItemAttribute $itemAttribute): Collection
+    {
+        return $itemAttribute->attribute->eventDates
+            ->map(fn ($eventDate, int $index): array => [
+                'id' => $eventDate->id,
+                'value' => (string) $eventDate->id,
+                'label' => $eventDate->date->format('d/m/Y'),
+                'sort_order' => $index,
+                'validity_time_id' => $eventDate->validity_time_id,
+                'validity_time' => ValidityTimeResource::make($eventDate->validityTime),
+                'metadata' => [
+                    'date' => $eventDate->date->format('Y-m-d'),
+                    'time_start' => $eventDate->time_start,
+                    'time_end' => $eventDate->time_end,
+                ],
+            ]);
+    }
+
+    /** @return Collection<int, array<string, mixed>> */
+    private function catalogAttributeOptions(ItemAttribute $itemAttribute): Collection
+    {
+        $availableValues = $this->variants
+            ->flatMap->definitions
+            ->where('item_attribute_id', $itemAttribute->id)
+            ->pluck('value')
+            ->filter()
+            ->unique();
+
+        return $itemAttribute->attribute->options
+            ->whereIn('value', $availableValues)
+            ->map(fn ($option): array => [
+                'id' => $option->id,
+                'value' => $option->value,
+                'label' => $option->label,
+                'sort_order' => $option->sort_order,
+                'validity_time_id' => $option->validity_time_id,
+                'validity_time' => $option->validityTime === null
+                    ? null
+                    : ValidityTimeResource::make($option->validityTime),
+                'metadata' => $option->metadata,
+            ])
+            ->values();
+    }
+
+    /** @return Collection<int, array<string, mixed>> */
+    private function attributesData(): Collection
+    {
+        return $this->itemAttributes
+            ->sort(function (ItemAttribute $left, ItemAttribute $right): int {
+                return $left->sort_order <=> $right->sort_order
+                    ?: mb_strtolower($left->attribute->nombre) <=> mb_strtolower($right->attribute->nombre);
+            })
+            ->map(fn (ItemAttribute $itemAttribute): array => $this->attributeData($itemAttribute))
+            ->values();
+    }
+
+    /** @return array<string, mixed> */
+    private function variantData(Variant $variant): array
+    {
+        $values = $variant->selectionOptions($this->itemAttributes);
+        $eventDates = $variant->selectedEventDates();
+        $variantStock = $this->variantStock($variant);
+
+        return [
+            'id' => $variant->id,
+            'event_date_id' => $variant->event_date_id,
+            'event_date' => $variant->eventDate?->date?->format('Y-m-d'),
+            'event_date_ids' => $eventDates->pluck('id')->values(),
+            'event_dates' => $eventDates->map(fn ($eventDate): string => $eventDate->date->format('Y-m-d'))->values(),
+            'descripcion' => $variant->getDescription(),
+            'precio' => number_format($variant->getPrice(), 2, '.', ''),
+            'maximum_addable_quantity' => $this->maximumAddable($variantStock),
+            'unavailable_message' => $this->unavailableMessage($variantStock),
+            'values' => $values,
+        ];
+    }
+
+    /** @return Collection<int, string> */
+    private function imageUrls(Collection $attachments): Collection
+    {
+        return $attachments
+            ->map(fn ($attachment) => $attachment->getTemporaryUrl(1440))
+            ->values();
+    }
+
+    private function variantStock(Variant $variant): ?int
+    {
+        return $this->inventory_policy === InventoryPolicy::Unlimited
+            ? null
+            : $variant->inventory->availableStock();
+    }
+
+    private function maximumAddable(?int $stock): ?int
+    {
+        return app(CatalogItemAllowanceService::class)->maximumAddableQuantity(
+            $stock,
+            $this->getAttribute('remaining_user_quota'),
+        );
+    }
+
+    private function unavailableMessage(?int $stock): ?string
+    {
+        return app(CatalogItemAllowanceService::class)->unavailableMessage(
+            $stock,
+            $this->getAttribute('remaining_user_quota'),
+        );
+    }
+}

app/Domains/Commerce/Catalog/Resources/CatalogItemResource.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace App\Domains\Catalog\Resources;
+
+use App\Domains\Catalog\Models\CatalogItem;
+use Illuminate\Http\Request;
+use Illuminate\Http\Resources\Json\JsonResource;
+
+/** @mixin CatalogItem */
+class CatalogItemResource extends JsonResource
+{
+    /** @return array<string, mixed> */
+    public function toArray(Request $request): array
+    {
+        return [
+            'id' => $this->id,
+            'type' => $this->type->value,
+            'category_id' => $this->category_id,
+            'brand_id' => $this->brand_id,
+            'slug' => $this->slug,
+            'nombre' => $this->nombre,
+            'descripcion' => $this->descripcion,
+            'precio' => $this->precio,
+            'inventory_policy' => $this->inventory_policy?->value,
+            'inventory_subject' => $this->inventory_subject->value,
+            'max_units_per_user' => $this->max_units_per_user,
+            'has_tickets' => $this->has_tickets,
+            'real_stock' => $this->whenLoaded('inventory', fn () => $this->inventory?->real_stock),
+            'images' => $this->whenLoaded('attachments', fn () => $this->attachments
+                ->map(fn ($attachment) => $attachment->getTemporaryUrl(1440))
+                ->values()),
+            'variants' => $this->whenLoaded('variants', fn () => $this->variants
+                ->map(fn ($variant) => [
+                    'id' => $variant->id,
+                    'event_date_id' => $variant->event_date_id,
+                    'event_date' => $variant->eventDate?->date?->format('Y-m-d'),
+                    'event_date_ids' => $variant->selectedEventDates()->pluck('id')->values(),
+                    'event_dates' => $variant->selectedEventDates()->map(fn ($eventDate): string => $eventDate->date->format('Y-m-d'))->values(),
+                    'descripcion' => $variant->getDescription(),
+                    'precio' => number_format($variant->getPrice(), 2, '.', ''),
+                    'real_stock' => $variant->inventory?->real_stock,
+                    'values' => $variant->selectorOptions($this->itemAttributes),
+                    'images' => $variant->attachments
+                        ->map(fn ($attachment) => $attachment->getTemporaryUrl(1440))
+                        ->values(),
+                ])
+                ->values()),
+        ];
+    }
+}

app/Domains/Commerce/Catalog/Resources/CatalogSearchItemResource.php

@@ -0,0 +1,72 @@
+<?php
+
+namespace App\Domains\Catalog\Resources;
+
+use App\Domains\Catalog\Enums\InventoryPolicy;
+use App\Domains\Catalog\Models\CatalogItem;
+use App\Domains\Catalog\Models\Variant;
+use App\Domains\Catalog\Services\CatalogItemAllowanceService;
+use Illuminate\Http\Request;
+use Illuminate\Http\Resources\Json\JsonResource;
+
+/** @mixin CatalogItem */
+class CatalogSearchItemResource extends JsonResource
+{
+    /** @return array<string, mixed> */
+    public function toArray(Request $request): array
+    {
+        $availableStock = $this->availableStock();
+        $visibleVariants = $this->visibleVariants();
+        $attachment = $this->attachments->first()
+            ?? $visibleVariants
+                ->flatMap(fn (Variant $variant) => $variant->attachments)
+                ->first();
+
+        return [
+            'id' => $this->id,
+            'type' => $this->type->value,
+            'nombre' => $this->nombre,
+            'descripcion' => $this->descripcion,
+            'precio' => $this->precio,
+            'image' => $attachment?->getTemporaryUrl(1440),
+            'maximum_addable_quantity' => $this->maximumAddable($availableStock),
+            'unavailable_message' => $this->unavailableMessage($availableStock),
+            'variants' => $visibleVariants
+                ->map(function (Variant $variant): array {
+                    $variantStock = $this->inventory_policy === InventoryPolicy::Unlimited
+                        ? null
+                        : $variant->inventory?->availableStock();
+
+                    return [
+                        'id' => $variant->id,
+                        'event_date_id' => $variant->event_date_id,
+                        'event_date' => $variant->eventDate?->date?->format('Y-m-d'),
+                        'event_date_ids' => $variant->selectedEventDates()->pluck('id')->values(),
+                        'event_dates' => $variant->selectedEventDates()->map(fn ($eventDate): string => $eventDate->date->format('Y-m-d'))->values(),
+                        'descripcion' => $variant->getDescription(),
+                        'precio' => number_format($variant->getPrice(), 2, '.', ''),
+                        'maximum_addable_quantity' => $this->maximumAddable($variantStock),
+                        'unavailable_message' => $this->unavailableMessage($variantStock),
+                        'values' => $variant->selectorOptions($this->itemAttributes),
+                    ];
+                })
+                ->values(),
+        ];
+    }
+
+    private function maximumAddable(?int $stock): ?int
+    {
+        return app(CatalogItemAllowanceService::class)->maximumAddableQuantity(
+            $stock,
+            $this->getAttribute('remaining_user_quota'),
+        );
+    }
+
+    private function unavailableMessage(?int $stock): ?string
+    {
+        return app(CatalogItemAllowanceService::class)->unavailableMessage(
+            $stock,
+            $this->getAttribute('remaining_user_quota'),
+        );
+    }
+}

app/Domains/Commerce/Catalog/Resources/CatalogVariantOptionsResource.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace App\Domains\Catalog\Resources;
+
+use Illuminate\Http\Request;
+use Illuminate\Http\Resources\Json\JsonResource;
+
+class CatalogVariantOptionsResource extends JsonResource
+{
+    /** @return array<string, mixed> */
+    public function toArray(Request $request): array
+    {
+        return $this->resource;
+    }
+}

app/Domains/Commerce/Catalog/Services/CatalogInventoryService.php

@@ -0,0 +1,254 @@
+<?php
+
+namespace App\Domains\Catalog\Services;
+
+use App\Domains\Catalog\Enums\CatalogItemType;
+use App\Domains\Catalog\Enums\InventoryPolicy;
+use App\Domains\Catalog\Models\BundleComponent;
+use App\Domains\Catalog\Models\CatalogItem;
+use App\Domains\Catalog\Models\Inventory;
+use App\Domains\Catalog\Models\Variant;
+use Illuminate\Support\Facades\DB;
+
+class CatalogInventoryService
+{
+    /** @return array<int, int> */
+    public function requirementsFor(CatalogItem|Variant $selection, int $quantity = 1): array
+    {
+        if ($quantity <= 0) {
+            throw new \InvalidArgumentException('La cantidad debe ser mayor a cero.');
+        }
+
+        return array_map(
+            fn (array $requirement): int => $requirement['quantity'] * $quantity,
+            $this->inventoryRequirements($selection),
+        );
+    }
+
+    /**
+     * @return array<int, array{quantity: int, tracks_inventory: bool}>
+     */
+    public function detailedRequirementsFor(CatalogItem|Variant $selection, int $quantity = 1): array
+    {
+        if ($quantity <= 0) {
+            throw new \InvalidArgumentException('La cantidad debe ser mayor a cero.');
+        }
+
+        return array_map(
+            fn (array $requirement): array => [
+                ...$requirement,
+                'quantity' => $requirement['quantity'] * $quantity,
+            ],
+            $this->inventoryRequirements($selection),
+        );
+    }
+
+    public function availableQuantity(CatalogItem|Variant $selection): ?int
+    {
+        if ($selection instanceof CatalogItem
+            && $selection->type === CatalogItemType::Standard
+            && $selection->relationLoaded('inventory')
+            && $selection->inventory !== null) {
+            return $selection->inventory_policy === InventoryPolicy::Unlimited
+                ? null
+                : $selection->inventory->availableStock();
+        }
+
+        if ($selection instanceof CatalogItem
+            && $selection->type === CatalogItemType::Standard
+            && $selection->inventory_id === null) {
+            if ($selection->inventory_policy === InventoryPolicy::Unlimited) {
+                return null;
+            }
+
+            $selection->loadMissing('variants.inventory');
+
+            return $selection->variants
+                ->filter(fn (Variant $variant): bool => $variant->isSellable())
+                ->unique(fn (Variant $variant): string => $variant->inventory_id === null
+                    ? 'object:'.spl_object_id($variant->inventory)
+                    : 'id:'.$variant->inventory_id)
+                ->sum(
+                    fn (Variant $variant): int => $variant->inventory->availableStock(),
+                );
+        }
+
+        $requirements = $this->inventoryRequirements($selection);
+        $trackedRequirements = array_filter(
+            $requirements,
+            fn (array $requirement): bool => $requirement['tracks_inventory'],
+        );
+
+        if ($trackedRequirements === []) {
+            return null;
+        }
+
+        $inventories = Inventory::query()
+            ->whereKey(array_keys($trackedRequirements))
+            ->get()
+            ->keyBy('id');
+        $available = [];
+
+        foreach ($trackedRequirements as $inventoryId => $requirement) {
+            $inventory = $inventories->get($inventoryId)
+                ?? throw new \InvalidArgumentException('No se encontro el inventario requerido.');
+            $available[] = intdiv(
+                $inventory->availableStock(),
+                $requirement['quantity'],
+            );
+        }
+
+        return min($available);
+    }
+
+    public function reserve(CatalogItem|Variant $selection, int $quantity): void
+    {
+        $this->mutate($selection, $quantity, 'reserve');
+    }
+
+    public function release(CatalogItem|Variant $selection, int $quantity): void
+    {
+        $this->mutate($selection, $quantity, 'release');
+    }
+
+    public function commit(CatalogItem|Variant $selection, int $quantity): void
+    {
+        $this->mutate($selection, $quantity, 'commit');
+    }
+
+    private function mutate(
+        CatalogItem|Variant $selection,
+        int $quantity,
+        string $operation,
+    ): void {
+        if ($quantity <= 0) {
+            throw new \InvalidArgumentException('La cantidad debe ser mayor a cero.');
+        }
+
+        DB::transaction(function () use ($selection, $quantity, $operation): void {
+            $requirements = $this->inventoryRequirements($selection);
+            ksort($requirements);
+            $inventories = Inventory::query()
+                ->whereKey(array_keys($requirements))
+                ->orderBy('id')
+                ->lockForUpdate()
+                ->get()
+                ->keyBy('id');
+
+            foreach ($requirements as $inventoryId => $requirement) {
+                $inventory = $inventories->get($inventoryId)
+                    ?? throw new \InvalidArgumentException('No se encontro el inventario requerido.');
+                $requiredQuantity = $requirement['quantity'] * $quantity;
+
+                if ($operation === 'reserve'
+                    && $requirement['tracks_inventory']
+                    && $inventory->availableStock() < $requiredQuantity) {
+                    throw new \InvalidArgumentException('No hay suficiente stock disponible para reservar.');
+                }
+
+                if (in_array($operation, ['release', 'commit'], true)
+                    && $inventory->reserved_stock < $requiredQuantity) {
+                    throw new \InvalidArgumentException('La cantidad reservada no alcanza para la operacion.');
+                }
+
+                if ($operation === 'commit'
+                    && $requirement['tracks_inventory']
+                    && $inventory->real_stock < $requiredQuantity) {
+                    throw new \InvalidArgumentException('No hay suficiente stock real para confirmar la compra.');
+                }
+            }
+
+            foreach ($requirements as $inventoryId => $requirement) {
+                /** @var Inventory $inventory */
+                $inventory = $inventories->get($inventoryId);
+                $requiredQuantity = $requirement['quantity'] * $quantity;
+
+                match ($operation) {
+                    'reserve' => $inventory->reserve($requiredQuantity, $requirement['tracks_inventory']),
+                    'release' => $inventory->release($requiredQuantity),
+                    'commit' => $inventory->buy($requiredQuantity, $requirement['tracks_inventory']),
+                };
+            }
+        });
+    }
+
+    /**
+     * @return array<int, array{quantity: int, tracks_inventory: bool}>
+     */
+    private function inventoryRequirements(CatalogItem|Variant $selection): array
+    {
+        if ($selection instanceof Variant) {
+            $selection->loadMissing('catalogItem');
+
+            return $this->singleRequirement(
+                $selection->inventory_id,
+                $selection->catalogItem->inventory_policy,
+            );
+        }
+
+        if ($selection->type !== CatalogItemType::Bundle) {
+            return $this->singleRequirement(
+                $selection->inventory_id,
+                $selection->inventory_policy,
+            );
+        }
+
+        $selection->loadMissing([
+            'bundleComponents.catalogItem',
+            'bundleComponents.variant.catalogItem',
+        ]);
+        $requirements = [];
+
+        foreach ($selection->bundleComponents as $component) {
+            $this->addComponentRequirement($requirements, $component);
+        }
+
+        if ($requirements === []) {
+            throw new \InvalidArgumentException('El bundle no tiene componentes.');
+        }
+
+        return $requirements;
+    }
+
+    /** @return array<int, array{quantity: int, tracks_inventory: bool}> */
+    private function singleRequirement(
+        ?int $inventoryId,
+        ?InventoryPolicy $policy,
+    ): array {
+        if ($inventoryId === null || $policy === null) {
+            throw new \InvalidArgumentException('El item requiere una variante con inventario.');
+        }
+
+        return [
+            $inventoryId => [
+                'quantity' => 1,
+                'tracks_inventory' => $policy === InventoryPolicy::Tracked,
+            ],
+        ];
+    }
+
+    /**
+     * @param  array<int, array{quantity: int, tracks_inventory: bool}>  $requirements
+     */
+    private function addComponentRequirement(array &$requirements, BundleComponent $component): void
+    {
+        $selectedItem = $component->variant ?? $component->catalogItem;
+        $inventoryId = $selectedItem->inventory_id;
+        $policy = $component->catalogItem->inventory_policy;
+
+        if ($inventoryId === null || $policy === null) {
+            throw new \InvalidArgumentException('Un componente del bundle no tiene inventario.');
+        }
+
+        if (isset($requirements[$inventoryId])) {
+            $requirements[$inventoryId]['quantity'] += $component->quantity;
+
+            return;
+        }
+
+        $requirements[$inventoryId] = [
+            'quantity' => $component->quantity,
+            'tracks_inventory' => $policy === InventoryPolicy::Tracked,
+        ];
+    }
+}

app/Domains/Commerce/Catalog/Services/CatalogItemAllowanceService.php

@@ -0,0 +1,57 @@
+<?php
+
+namespace App\Domains\Catalog\Services;
+
+use App\Domains\Catalog\Models\CatalogItem;
+use App\Domains\Purchase\Services\UserPurchaseLimitService;
+use Illuminate\Support\Collection;
+
+class CatalogItemAllowanceService
+{
+    private const USER_QUOTA_REACHED_MESSAGE = 'Alcanzaste el cupo máximo permitido para este producto.';
+
+    private const OUT_OF_STOCK_MESSAGE = 'Este producto no tiene stock disponible.';
+
+    public function __construct(
+        private readonly UserPurchaseLimitService $purchaseLimits,
+    ) {}
+
+    /** @param Collection<int, CatalogItem> $catalogItems */
+    public function attach(Collection $catalogItems, ?int $userId): void
+    {
+        $remaining = $this->purchaseLimits->remainingByCatalogItem($catalogItems, $userId);
+
+        foreach ($catalogItems as $catalogItem) {
+            $catalogItem->setAttribute(
+                'remaining_user_quota',
+                $remaining->get($catalogItem->getKey()),
+            );
+        }
+    }
+
+    public function maximumAddableQuantity(?int $availableStock, ?int $remainingUserQuota): ?int
+    {
+        if ($availableStock === null) {
+            return $remainingUserQuota;
+        }
+
+        if ($remainingUserQuota === null) {
+            return $availableStock;
+        }
+
+        return min($availableStock, $remainingUserQuota);
+    }
+
+    public function unavailableMessage(?int $availableStock, ?int $remainingUserQuota): ?string
+    {
+        if ($remainingUserQuota !== null && $remainingUserQuota <= 0) {
+            return self::USER_QUOTA_REACHED_MESSAGE;
+        }
+
+        if ($availableStock !== null && $availableStock <= 0) {
+            return self::OUT_OF_STOCK_MESSAGE;
+        }
+
+        return null;
+    }
+}

app/Domains/Commerce/Catalog/Services/CatalogService.php

@@ -0,0 +1,778 @@
+<?php
+
+namespace App\Domains\Catalog\Services;
+
+use App\Domains\Attachable\Models\Attachment;
+use App\Domains\Attachable\Services\AttachmentService;
+use App\Domains\Catalog\Enums\CatalogItemType;
+use App\Domains\Catalog\Models\Attribute;
+use App\Domains\Catalog\Models\CatalogItem;
+use App\Domains\Catalog\Models\Category;
+use App\Domains\Catalog\Models\Inventory;
+use App\Domains\Catalog\Models\ItemAttribute;
+use App\Domains\Catalog\Models\Variant;
+use App\Domains\Event\Models\EventDate;
+use App\Domains\Tenant\Models\Tenant;
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Pagination\LengthAwarePaginator;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Str;
+use Illuminate\Validation\ValidationException;
+use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
+
+class CatalogService
+{
+    public function __construct(protected AttachmentService $attachmentService) {}
+
+    /**
+     * @param  array<string, mixed>  $data
+     */
+    public function create(array $data): CatalogItem
+    {
+        return DB::transaction(function () use ($data): CatalogItem {
+            $type = CatalogItemType::from(
+                $data['type'] ?? CatalogItemType::Standard->value,
+            );
+            $variants = $data['variants'] ?? [];
+            $images = $data['images'] ?? [];
+            $attributeCodes = $data['attribute_codes'] ?? [];
+            $multiSelectAttributeCodes = $data['multi_select_attribute_codes'] ?? [];
+            $hiddenAttributeCodes = $data['hidden_attribute_codes'] ?? [];
+            $ticketAttributeLabels = $data['ticket_attribute_labels'] ?? [];
+            $components = $data['components'] ?? [];
+            $hasDirectStock = array_key_exists('real_stock', $data);
+            $realStock = (int) ($data['real_stock'] ?? 0);
+
+            $hasEventDateVariants = $variants !== [] && collect($variants)->every(
+                fn (array $variant): bool => ! empty($variant['event_date_id'])
+                    || ! empty($variant['event_date_ids'])
+            );
+
+            if ($hasEventDateVariants && ! in_array('event_date', $attributeCodes, true)) {
+                throw ValidationException::withMessages([
+                    'attribute_codes' => [
+                        __('api.catalog.event_date_attribute_required'),
+                    ],
+                ]);
+            }
+
+            $hasVariants = $attributeCodes !== [] || $hasEventDateVariants;
+
+            if (array_diff($multiSelectAttributeCodes, $attributeCodes) !== []) {
+                throw ValidationException::withMessages([
+                    'multi_select_attribute_codes' => [
+                        __('api.catalog.multi_select_attribute_not_on_item'),
+                    ],
+                ]);
+            }
+
+            if (array_diff($hiddenAttributeCodes, $attributeCodes) !== []) {
+                throw ValidationException::withMessages([
+                    'hidden_attribute_codes' => [
+                        __('api.catalog.hidden_attribute_not_on_item'),
+                    ],
+                ]);
+            }
+
+            if (array_diff(array_keys($ticketAttributeLabels), $attributeCodes) !== []) {
+                throw ValidationException::withMessages([
+                    'ticket_attribute_labels' => [
+                        __('api.catalog.ticket_label_attribute_not_on_item'),
+                    ],
+                ]);
+            }
+
+            $this->validateUniqueVariantCombinations($variants, $attributeCodes);
+
+            if ($type === CatalogItemType::Bundle) {
+                $this->validateBundleData($data, $components);
+            } else {
+                if (array_key_exists('components', $data)) {
+                    throw ValidationException::withMessages([
+                        'components' => [__('api.catalog.standard_with_components')],
+                    ]);
+                }
+
+                $this->validateInventoryStrategy(
+                    $data,
+                    $variants,
+                    $hasVariants,
+                    $hasDirectStock,
+                );
+            }
+
+            unset(
+                $data['variants'],
+                $data['images'],
+                $data['attribute_codes'],
+                $data['multi_select_attribute_codes'],
+                $data['hidden_attribute_codes'],
+                $data['ticket_attribute_labels'],
+                $data['components'],
+                $data['real_stock'],
+                $data['reserved_stock'],
+                $data['sold_units'],
+                $data['inventory_id'],
+            );
+
+            $data['type'] = $type;
+
+            if ($type === CatalogItemType::Bundle) {
+                $data['inventory_id'] = null;
+                $data['inventory_policy'] = null;
+                $data['has_tickets'] = false;
+            } elseif ($hasVariants) {
+                $data['inventory_id'] = null;
+            } else {
+                $data['inventory_id'] = $this->createInventory($realStock)->id;
+            }
+
+            $catalogItem = CatalogItem::query()->create($data);
+            $itemAttributes = $type === CatalogItemType::Standard
+                ? $this->createItemAttributes(
+                    $catalogItem,
+                    $attributeCodes,
+                    $multiSelectAttributeCodes,
+                    $hiddenAttributeCodes,
+                    $ticketAttributeLabels,
+                )
+                : [];
+
+            if ($type === CatalogItemType::Bundle) {
+                $this->createBundleComponents($catalogItem, $components);
+            }
+
+            $createdVariants = [];
+            foreach ($variants as $index => $variantData) {
+                $createdVariants[] = [
+                    'variant' => $this->createVariant(
+                        $catalogItem,
+                        $variantData,
+                        $itemAttributes,
+                        $index,
+                    ),
+                    'images' => $variantData['images'] ?? [],
+                    'index' => $index,
+                ];
+            }
+
+            $this->attachImages($catalogItem, $images, 'images');
+
+            foreach ($createdVariants as $createdVariant) {
+                $this->attachImages(
+                    $createdVariant['variant'],
+                    $createdVariant['images'],
+                    "variants.{$createdVariant['index']}.images",
+                );
+            }
+
+            return $catalogItem->load([
+                'attachments',
+                'inventory',
+                'category',
+                'brand',
+                'itemAttributes.attribute',
+                'variants.inventory',
+                'variants.attachments',
+                'variants.eventDate',
+                'variants.eventDates',
+                'variants.definitions.itemAttribute.attribute.options',
+                'bundleComponents.catalogItem',
+                'bundleComponents.variant.catalogItem',
+            ]);
+        });
+    }
+
+    public function getDetail(CatalogItem $catalogItem, ?int $variantId = null): CatalogItem
+    {
+        $catalogItem->load([
+            'attachments',
+            'inventory',
+            'category',
+            'brand',
+            'itemAttributes.attribute.options.validityTime',
+            'itemAttributes.attribute.eventDates.validityTime',
+            'variants' => fn ($query) => $query->orderBy('id'),
+            'variants.inventory',
+            'variants.attachments',
+            'variants.eventDate',
+            'variants.eventDates',
+            'variants.definitions' => fn ($query) => $query->orderBy('id'),
+            'variants.definitions.itemAttribute.attribute.options',
+            'bundleComponents.catalogItem.inventory',
+            'bundleComponents.variant.inventory',
+            'bundleComponents.variant.definitions.itemAttribute.attribute',
+        ]);
+
+        $visibleVariants = $catalogItem->visibleVariants();
+        if ($catalogItem->type === CatalogItemType::Standard
+            && ($catalogItem->inventory_id !== null || $catalogItem->variants->isNotEmpty())
+            && (($catalogItem->variants->isNotEmpty() && $visibleVariants->isEmpty())
+                || ! $catalogItem->isAvailable())) {
+            throw new NotFoundHttpException('Catalog item is out of stock.');
+        }
+
+        $catalogItem->setRelation('variants', $visibleVariants);
+        $selectedVariant = $variantId === null
+            ? $visibleVariants->first()
+            : $visibleVariants->firstWhere('id', $variantId);
+
+        if ($variantId !== null && $selectedVariant === null) {
+            throw new NotFoundHttpException('Variant not found for catalog item.');
+        }
+
+        $catalogItem->setRelation('selectedVariant', $selectedVariant);
+
+        return $catalogItem;
+    }
+
+    /** @return LengthAwarePaginator<CatalogItem> */
+    public function search(
+        Tenant $tenant,
+        string $term,
+        int $perPage,
+        int $page,
+    ): LengthAwarePaginator {
+        $normalizedTerm = mb_strtolower($term);
+        $containsPattern = "%{$normalizedTerm}%";
+        $startsWithPattern = "{$normalizedTerm}%";
+
+        $paginator = CatalogItem::query()
+            ->where('tenant_code', $tenant->codigo)
+            ->whereAvailable()
+            ->where(function (Builder $query) use ($containsPattern): void {
+                $query
+                    ->whereRaw('LOWER(nombre) LIKE ?', [$containsPattern])
+                    ->orWhereRaw('LOWER(descripcion) LIKE ?', [$containsPattern])
+                    ->orWhereHas(
+                        'brand',
+                        fn (Builder $brandQuery) => $brandQuery
+                            ->whereRaw('LOWER(nombre) LIKE ?', [$containsPattern])
+                    )
+                    ->orWhereHas(
+                        'category',
+                        fn (Builder $categoryQuery) => $categoryQuery
+                            ->whereRaw('LOWER(nombre) LIKE ?', [$containsPattern])
+                    );
+            })
+            ->with([
+                'attachments',
+                'inventory',
+                'itemAttributes.attribute',
+                'variants.inventory',
+                'variants.attachments',
+                'variants.eventDate',
+                'variants.eventDates',
+                'variants.definitions.itemAttribute.attribute.options',
+                'bundleComponents.catalogItem',
+                'bundleComponents.variant.catalogItem',
+            ])
+            ->orderByRaw(
+                'CASE WHEN LOWER(nombre) = ? THEN 0 WHEN LOWER(nombre) LIKE ? THEN 1 ELSE 2 END',
+                [$normalizedTerm, $startsWithPattern],
+            )
+            ->orderBy('nombre')
+            ->paginate(perPage: $perPage, pageName: 'page', page: $page);
+
+        return $paginator->withPath(route('catalog-items.index', [
+            'tenant' => $tenant->codigo,
+        ]));
+    }
+
+    /** @return LengthAwarePaginator<CatalogItem> */
+    public function categoryItems(
+        Tenant $tenant,
+        Category $category,
+        int $perPage,
+        int $page,
+    ): LengthAwarePaginator {
+        return CatalogItem::query()
+            ->where('tenant_code', $tenant->codigo)
+            ->where('category_id', $category->id)
+            ->whereAvailable()
+            ->with([
+                'attachments',
+                'inventory',
+                'itemAttributes.attribute',
+                'variants.inventory',
+                'variants.attachments',
+                'variants.eventDate',
+                'variants.eventDates',
+                'variants.definitions.itemAttribute.attribute.options',
+                'bundleComponents.catalogItem',
+                'bundleComponents.variant.catalogItem',
+            ])
+            ->orderBy('nombre')
+            ->paginate(perPage: $perPage, pageName: 'page', page: $page);
+    }
+
+    public function delete(CatalogItem $catalogItem): void
+    {
+        DB::transaction(function () use ($catalogItem): void {
+            $catalogItem->variants()->delete();
+            $catalogItem->delete();
+        });
+    }
+
+    public function deleteVariant(Variant $variant): void
+    {
+        DB::transaction(function () use ($variant): void {
+            $variant = Variant::query()
+                ->lockForUpdate()
+                ->findOrFail($variant->getKey());
+            $catalogItem = CatalogItem::query()
+                ->lockForUpdate()
+                ->findOrFail($variant->catalog_item_id);
+            $variant->delete();
+
+            $sellableVariants = $catalogItem->variants()
+                ->whereNull('sales_disabled_at')
+                ->whereNull('replaced_by_variant_id');
+
+            if (! (clone $sellableVariants)->exists()) {
+                $this->delete($catalogItem);
+            } elseif (($minimumPrice = (clone $sellableVariants)->min('precio')) !== null) {
+                $catalogItem->update(['precio' => $minimumPrice]);
+            }
+
+        });
+    }
+
+    private function createInventory(int $realStock): Inventory
+    {
+        return Inventory::query()->create([
+            'real_stock' => $realStock,
+        ]);
+    }
+
+    /**
+     * @param  array<int, array<string, mixed>>  $components
+     */
+    private function createBundleComponents(CatalogItem $bundle, array $components): void
+    {
+        $seen = [];
+
+        foreach (array_values($components) as $index => $componentData) {
+            $catalogItemId = (int) $componentData['catalog_item_id'];
+            $variantId = isset($componentData['variant_id'])
+                ? (int) $componentData['variant_id']
+                : null;
+            $key = $catalogItemId.':'.($variantId ?? 'direct');
+
+            if (isset($seen[$key])) {
+                throw ValidationException::withMessages([
+                    "components.{$index}" => [__('api.catalog.duplicate_component')],
+                ]);
+            }
+            $seen[$key] = true;
+
+            $componentItem = CatalogItem::query()
+                ->whereKey($catalogItemId)
+                ->where('tenant_code', $bundle->tenant_code)
+                ->first();
+
+            if ($componentItem === null) {
+                throw ValidationException::withMessages([
+                    "components.{$index}.catalog_item_id" => [
+                        __('api.catalog.component_wrong_tenant'),
+                    ],
+                ]);
+            }
+
+            if ($componentItem->is($bundle) || $componentItem->type !== CatalogItemType::Standard) {
+                throw ValidationException::withMessages([
+                    "components.{$index}.catalog_item_id" => [
+                        __('api.catalog.invalid_component'),
+                    ],
+                ]);
+            }
+
+            $hasVariants = $componentItem->variants()->exists();
+            if ($hasVariants && $variantId === null) {
+                throw ValidationException::withMessages([
+                    "components.{$index}.variant_id" => [
+                        __('api.catalog.component_variant_required'),
+                    ],
+                ]);
+            }
+
+            if (! $hasVariants && $variantId !== null) {
+                throw ValidationException::withMessages([
+                    "components.{$index}.variant_id" => [
+                        __('api.catalog.component_variant_forbidden'),
+                    ],
+                ]);
+            }
+
+            if ($variantId !== null && ! $componentItem->variants()
+                ->whereKey($variantId)
+                ->whereNull('sales_disabled_at')
+                ->whereNull('replaced_by_variant_id')
+                ->exists()) {
+                throw ValidationException::withMessages([
+                    "components.{$index}.variant_id" => [
+                        __('api.catalog.component_variant_invalid'),
+                    ],
+                ]);
+            }
+
+            $bundle->bundleComponents()->create([
+                'component_catalog_item_id' => $componentItem->id,
+                'component_variant_id' => $variantId,
+                'quantity' => (int) $componentData['quantity'],
+            ]);
+        }
+
+    }
+
+    /**
+     * @param  array<string, mixed>  $data
+     * @param  array<int, array<string, mixed>>  $components
+     */
+    private function validateBundleData(array $data, array $components): void
+    {
+        if ($components === []) {
+            throw ValidationException::withMessages([
+                'components' => [__('api.catalog.bundle_component_required')],
+            ]);
+        }
+
+        foreach ([
+            'real_stock',
+            'inventory_policy',
+            'attribute_codes',
+            'variants',
+            'has_tickets',
+        ] as $field) {
+            if (array_key_exists($field, $data)) {
+                throw ValidationException::withMessages([
+                    $field => [__('api.catalog.bundle_field_forbidden', ['field' => $field])],
+                ]);
+            }
+        }
+    }
+
+    /**
+     * @param  array<int, mixed>  $images
+     */
+    private function attachImages(
+        CatalogItem|Variant $owner,
+        array $images,
+        string $validationKey,
+    ): void {
+        foreach (array_values($images) as $order => $image) {
+            $attachment = $this->resolveAttachment($image, "{$validationKey}.{$order}");
+
+            $owner->attachments()->attach($attachment->id, ['orden' => $order]);
+        }
+    }
+
+    private function resolveAttachment(mixed $image, string $validationKey): Attachment
+    {
+        if (is_string($image) && Str::isUuid($image)) {
+            $attachment = Attachment::query()->where('key', $image)->first();
+
+            if ($attachment === null) {
+                throw ValidationException::withMessages([
+                    $validationKey => [__('api.catalog.attachment_not_found')],
+                ]);
+            }
+
+            return $attachment;
+        }
+
+        return $this->attachmentService->store($image, 'catalog-items');
+    }
+
+    /**
+     * @param  array<int, string>  $attributeCodes
+     * @param  array<int, string>  $multiSelectAttributeCodes
+     * @param  array<int, string>  $hiddenAttributeCodes
+     * @param  array<string, string>  $ticketAttributeLabels
+     * @return array<string, ItemAttribute>
+     */
+    private function createItemAttributes(
+        CatalogItem $catalogItem,
+        array $attributeCodes,
+        array $multiSelectAttributeCodes = [],
+        array $hiddenAttributeCodes = [],
+        array $ticketAttributeLabels = [],
+    ): array {
+        $itemAttributes = [];
+        $attributeCodes = array_values(array_unique($attributeCodes));
+        $attributes = Attribute::query()
+            ->where('tenant_codigo', $catalogItem->tenant_code)
+            ->whereIn('codigo', $attributeCodes)
+            ->get()
+            ->keyBy('codigo');
+
+        foreach ($attributeCodes as $attributeCode) {
+            $attribute = $attributes->get($attributeCode);
+
+            if ($attribute === null) {
+                throw ValidationException::withMessages([
+                    'attribute_codes' => [
+                        __('api.catalog.attribute_not_found', ['attribute' => $attributeCode]),
+                    ],
+                ]);
+            }
+
+            $itemAttribute = $catalogItem->itemAttributes()->create([
+                'attribute_id' => $attribute->id,
+                'allow_multi_select' => in_array($attributeCode, $multiSelectAttributeCodes, true),
+                'show_in_selector' => ! in_array($attributeCode, $hiddenAttributeCodes, true),
+                'ticket_label' => $ticketAttributeLabels[$attributeCode] ?? null,
+            ]);
+
+            $itemAttributes[$attributeCode] = $itemAttribute;
+        }
+
+        return $itemAttributes;
+    }
+
+    /**
+     * @param  array<string, mixed>  $data
+     * @param  array<string, ItemAttribute>  $itemAttributes
+     */
+    private function createVariant(
+        CatalogItem $catalogItem,
+        array $data,
+        array $itemAttributes,
+        int $index,
+    ): Variant {
+        unset($data['images']);
+
+        if (
+            array_key_exists('inventory_id', $data)
+            || array_key_exists('reserved_stock', $data)
+            || array_key_exists('sold_units', $data)
+        ) {
+            throw ValidationException::withMessages([
+                "variants.{$index}.inventory" => [
+                    __('api.catalog.managed_inventory_fields'),
+                ],
+            ]);
+        }
+
+        $inventory = $this->createInventory((int) ($data['real_stock'] ?? 0));
+        $eventDateIds = collect($data['event_date_ids'] ?? [])
+            ->when(
+                isset($data['event_date_id']),
+                fn ($ids) => $ids->push($data['event_date_id']),
+            )
+            ->filter(fn ($id): bool => $id !== null)
+            ->map(fn ($id): int => (int) $id)
+            ->unique()
+            ->sort()
+            ->values();
+
+        $eventDateItemAttribute = $itemAttributes['event_date'] ?? null;
+        if ($eventDateItemAttribute !== null && (
+            $eventDateIds->isEmpty()
+            || (! $eventDateItemAttribute->allow_multi_select && $eventDateIds->count() !== 1)
+        )) {
+            throw ValidationException::withMessages([
+                "variants.{$index}.event_date_ids" => [
+                    $eventDateItemAttribute->allow_multi_select
+                        ? __('api.catalog.event_date_selection_required')
+                        : __('api.catalog.single_event_date_required'),
+                ],
+            ]);
+        }
+
+        $validEventDateCount = EventDate::query()
+            ->whereKey($eventDateIds)
+            ->where('tenant_code', $catalogItem->tenant_code)
+            ->count();
+
+        if ($validEventDateCount !== $eventDateIds->count()) {
+            throw ValidationException::withMessages([
+                "variants.{$index}.event_date_ids" => [
+                    __('api.catalog.event_date_wrong_tenant'),
+                ],
+            ]);
+        }
+
+        $variant = $catalogItem->variants()->create([
+            'inventory_id' => $inventory->id,
+            'event_date_id' => $eventDateIds->count() === 1 ? $eventDateIds->first() : null,
+            'descripcion' => $data['descripcion'] ?? null,
+            'precio' => $data['precio'] ?? null,
+        ]);
+        $variant->eventDates()->sync($eventDateIds->all());
+        $variant->setRelation('catalogItem', $catalogItem);
+
+        foreach ($data['values'] ?? [] as $attributeCode => $value) {
+            $itemAttribute = $itemAttributes[$attributeCode] ?? null;
+
+            if ($itemAttribute === null) {
+                throw ValidationException::withMessages([
+                    "variants.{$index}.values.{$attributeCode}" => [
+                        __('api.catalog.attribute_not_on_item'),
+                    ],
+                ]);
+            }
+
+            foreach ($this->validatedVariantValues(
+                $itemAttribute,
+                $value,
+                "variants.{$index}.values.{$attributeCode}",
+            ) as $validatedValue) {
+                $variant->definitions()->create([
+                    'item_attribute_id' => $itemAttribute->id,
+                    'value' => $validatedValue,
+                ]);
+            }
+        }
+
+        return $variant;
+    }
+
+    /**
+     * @param  array<int, array<string, mixed>>  $variants
+     * @param  array<int, string>  $attributeCodes
+     */
+    private function validateUniqueVariantCombinations(array $variants, array $attributeCodes): void
+    {
+        $seen = [];
+        $attributeCodes = array_values(array_unique($attributeCodes));
+        sort($attributeCodes);
+
+        foreach (array_values($variants) as $index => $variant) {
+            $eventDateIds = collect($variant['event_date_ids'] ?? [])
+                ->when(
+                    isset($variant['event_date_id']),
+                    fn ($ids) => $ids->push($variant['event_date_id']),
+                )
+                ->map(fn ($id): int => (int) $id)
+                ->unique()
+                ->sort()
+                ->values()
+                ->implode(',');
+            $combination = [$eventDateIds];
+
+            foreach ($attributeCodes as $attributeCode) {
+                $values = $variant['values'][$attributeCode] ?? '';
+                $normalizedValues = collect(is_array($values) ? $values : [$values])
+                    ->map(fn ($value): string => $this->normalizeVariantValue((string) $value))
+                    ->unique()
+                    ->sort()
+                    ->values()
+                    ->implode(',');
+                $combination[] = $normalizedValues;
+            }
+
+            $key = implode('|', $combination);
+            if (isset($seen[$key])) {
+                throw ValidationException::withMessages([
+                    "variants.{$index}" => [__('api.catalog.duplicate_variant_combination')],
+                ]);
+            }
+
+            $seen[$key] = true;
+        }
+    }
+
+    /** @return array<int, string> */
+    private function validatedVariantValues(
+        ItemAttribute $itemAttribute,
+        mixed $value,
+        string $validationKey,
+    ): array {
+        $values = is_array($value) ? array_values($value) : [$value];
+
+        if ($values === [] || (! $itemAttribute->allow_multi_select && count($values) !== 1)) {
+            throw ValidationException::withMessages([
+                $validationKey => [
+                    $itemAttribute->allow_multi_select
+                        ? __('api.catalog.multi_value_required')
+                        : __('api.catalog.single_value_required'),
+                ],
+            ]);
+        }
+
+        if (collect($values)->contains(fn ($item): bool => ! is_string($item) || trim($item) === '')) {
+            throw ValidationException::withMessages([
+                $validationKey => [__('api.catalog.selected_values_non_empty')],
+            ]);
+        }
+
+        $normalizedValues = collect($values)
+            ->map(fn (string $item): string => $this->normalizeVariantValue($item));
+
+        if ($normalizedValues->unique()->count() !== count($values)) {
+            throw ValidationException::withMessages([
+                $validationKey => [__('api.catalog.selected_values_distinct')],
+            ]);
+        }
+
+        $attribute = $itemAttribute->attribute;
+        if ($attribute->type->supportsOptions() && ! $attribute->type->usesDynamicOptions()) {
+            $optionsByNormalizedValue = $attribute->options
+                ->keyBy(fn ($option): string => $this->normalizeVariantValue($option->value));
+
+            $resolvedOptions = $normalizedValues->map(fn (string $normalizedValue) => $optionsByNormalizedValue->get($normalizedValue));
+            if ($resolvedOptions->contains(null)) {
+                throw ValidationException::withMessages([
+                    $validationKey => [__('api.catalog.invalid_attribute_options')],
+                ]);
+            }
+
+            return $resolvedOptions->pluck('value')->all();
+        }
+
+        return collect($values)->map(fn (string $item): string => trim($item))->all();
+    }
+
+    private function normalizeVariantValue(string $value): string
+    {
+        return Str::ascii(mb_strtolower(trim($value)));
+    }
+
+    /**
+     * @param  array<string, mixed>  $data
+     * @param  array<int, array<string, mixed>>  $variants
+     */
+    private function validateInventoryStrategy(
+        array $data,
+        array $variants,
+        bool $hasVariants,
+        bool $hasDirectStock,
+    ): void {
+        if ($hasVariants && $variants === []) {
+            throw ValidationException::withMessages([
+                'variants' => [
+                    __('api.catalog.variants_required'),
+                ],
+            ]);
+        }
+
+        if (! $hasVariants && $variants !== []) {
+            throw ValidationException::withMessages([
+                'variants' => [
+                    __('api.catalog.variants_forbidden'),
+                ],
+            ]);
+        }
+
+        if ($hasVariants && $hasDirectStock) {
+            throw ValidationException::withMessages([
+                'real_stock' => [
+                    __('api.catalog.direct_inventory_forbidden'),
+                ],
+            ]);
+        }
+
+        if (
+            array_key_exists('inventory_id', $data)
+            || array_key_exists('reserved_stock', $data)
+            || array_key_exists('sold_units', $data)
+        ) {
+            throw ValidationException::withMessages([
+                'inventory' => [
+                    __('api.catalog.managed_inventory_fields'),
+                ],
+            ]);
+        }
+    }
+}

app/Domains/Commerce/Catalog/Services/ExpireStockReservationsService.php

@@ -0,0 +1,185 @@
+<?php
+
+namespace App\Domains\Catalog\Services;
+
+use App\Domains\Cart\Models\Cart;
+use App\Domains\Catalog\Models\StockReservation;
+use App\Domains\Purchase\Models\Purchase;
+use App\Domains\Purchase\Services\Checkout\ReleaseCheckoutService;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Log;
+use RuntimeException;
+use Throwable;
+
+class ExpireStockReservationsService
+{
+    private const BATCH_SIZE = 500;
+
+    public function __construct(
+        private readonly ReleaseCheckoutService $purchases,
+        private readonly StockReservationService $reservations,
+    ) {}
+
+    /**
+     * @return array{purchases: int, cart_reservations: int, orphan_reservations: int, failed: int}
+     */
+    public function expireOverdue(): array
+    {
+        $summary = [
+            'purchases' => 0,
+            'cart_reservations' => 0,
+            'orphan_reservations' => 0,
+            'failed' => 0,
+        ];
+        $lastReservationId = 0;
+
+        do {
+            $reservationIds = StockReservation::query()
+                ->where('status', StockReservation::STATUS_ACTIVE)
+                ->whereNotNull('expires_at')
+                ->where('expires_at', '<=', now())
+                ->where('id', '>', $lastReservationId)
+                ->orderBy('id')
+                ->limit(self::BATCH_SIZE)
+                ->pluck('id');
+
+            foreach ($reservationIds as $reservationId) {
+                $lastReservationId = (int) $reservationId;
+
+                try {
+                    $owner = $this->expireReservation($lastReservationId);
+                    if ($owner !== null) {
+                        $summary[$owner]++;
+                    }
+                } catch (Throwable $exception) {
+                    $summary['failed']++;
+                    Log::channel('commands')->error('Failed to expire overdue stock reservation.', [
+                        'command' => 'reservations:expire',
+                        'stock_reservation_id' => $lastReservationId,
+                        'exception' => $exception,
+                    ]);
+                }
+            }
+        } while ($reservationIds->count() === self::BATCH_SIZE);
+
+        Log::channel('commands')->info('Stock reservation cleanup completed.', [
+            'command' => 'reservations:expire',
+            'expired_purchases' => $summary['purchases'],
+            'expired_cart_reservations' => $summary['cart_reservations'],
+            'expired_orphan_reservations' => $summary['orphan_reservations'],
+            'failed_reservations' => $summary['failed'],
+            'total_expired' => $summary['purchases']
+                + $summary['cart_reservations']
+                + $summary['orphan_reservations'],
+        ]);
+
+        return $summary;
+    }
+
+    public function expireIfOverdue(int $reservationId): bool
+    {
+        /** @var StockReservation|null $reservation */
+        $reservation = StockReservation::query()->find($reservationId);
+        if ($reservation?->status === StockReservation::STATUS_EXPIRED) {
+            return true;
+        }
+        if (! $this->isOverdue($reservation)) {
+            return false;
+        }
+
+        return $this->expireReservation($reservationId) !== null;
+    }
+
+    /** @return 'purchases'|'cart_reservations'|'orphan_reservations'|null */
+    private function expireReservation(int $reservationId): ?string
+    {
+        $purchaseId = Purchase::query()
+            ->where('stock_reservation_id', $reservationId)
+            ->value('id');
+        if ($purchaseId !== null) {
+            return $this->expirePurchase((int) $purchaseId);
+        }
+
+        $cartId = Cart::query()
+            ->where('current_stock_reservation_id', $reservationId)
+            ->where('status', 'active')
+            ->value('id');
+        if ($cartId !== null) {
+            return $this->expireCart((int) $cartId, $reservationId);
+        }
+
+        return $this->expireOrphan($reservationId);
+    }
+
+    /** @return 'purchases'|null */
+    private function expirePurchase(int $purchaseId): ?string
+    {
+        /** @var Purchase|null $purchase */
+        $purchase = Purchase::query()->find($purchaseId);
+        if ($purchase === null) {
+            return null;
+        }
+
+        $purchase = $this->purchases->expire($purchase);
+        if ($purchase->status === Purchase::STATUS_EXPIRED) {
+            return 'purchases';
+        }
+
+        $reservation = $purchase->stockReservation;
+        if ($this->isOverdue($reservation)) {
+            throw new RuntimeException('An overdue active reservation belongs to a purchase that cannot expire.');
+        }
+
+        return null;
+    }
+
+    /** @return 'cart_reservations'|null */
+    private function expireCart(int $cartId, int $reservationId): ?string
+    {
+        return DB::transaction(function () use ($cartId, $reservationId): ?string {
+            /** @var Cart|null $cart */
+            $cart = Cart::query()
+                ->whereKey($cartId)
+                ->where('current_stock_reservation_id', $reservationId)
+                ->where('status', Cart::STATUS_ACTIVE)
+                ->lockForUpdate()
+                ->first();
+            if ($cart === null) {
+                return null;
+            }
+
+            /** @var StockReservation|null $reservation */
+            $reservation = StockReservation::query()->lockForUpdate()->find($reservationId);
+            if (! $this->isOverdue($reservation)) {
+                return null;
+            }
+
+            $this->reservations->expire($reservation);
+            $cart->update(['status' => Cart::STATUS_EXPIRED]);
+
+            return 'cart_reservations';
+        });
+    }
+
+    /** @return 'orphan_reservations'|null */
+    private function expireOrphan(int $reservationId): ?string
+    {
+        /** @var StockReservation|null $reservation */
+        $reservation = StockReservation::query()->find($reservationId);
+        if (! $this->isOverdue($reservation)) {
+            return null;
+        }
+
+        $this->reservations->expire($reservation);
+
+        return 'orphan_reservations';
+    }
+
+    private function isOverdue(?StockReservation $reservation): bool
+    {
+        return $reservation !== null
+            && $reservation->status === StockReservation::STATUS_ACTIVE
+            && $reservation->expires_at !== null
+            && ! $reservation->expires_at->isFuture();
+    }
+}

app/Domains/Commerce/Catalog/Services/FeaturedGroupService.php

@@ -0,0 +1,113 @@
+<?php
+
+namespace App\Domains\Catalog\Services;
+
+use App\Domains\Catalog\Enums\FeaturedGroupSource;
+use App\Domains\Catalog\Enums\GroupLayout;
+use App\Domains\Catalog\Models\CatalogItem;
+use App\Domains\Catalog\Models\FeaturedGroup;
+use App\Domains\Catalog\Resources\CatalogFeaturedItemResource;
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Pagination\LengthAwarePaginator;
+
+class FeaturedGroupService
+{
+    private const ITEMS_PER_PAGE = 12;
+
+    /** @return array<array-key, mixed> */
+    public function __construct(
+        private readonly CatalogItemAllowanceService $allowances,
+    ) {}
+
+    public function itemsResponse(FeaturedGroup $featuredGroup, int $page, ?int $userId = null): array
+    {
+        if ($featuredGroup->group_layout !== GroupLayout::Paginated) {
+            $query = $this->itemsQuery($featuredGroup);
+
+            if ($featuredGroup->group_layout === GroupLayout::Single) {
+                $query->limit(1);
+            }
+
+            $items = $query->get();
+            $this->attachGroup($items, $featuredGroup);
+            $this->allowances->attach($items, $userId);
+
+            return CatalogFeaturedItemResource::collection($items)->resolve();
+        }
+
+        $paginator = $this->paginateItems($featuredGroup, $page);
+        $this->attachGroup($paginator->getCollection(), $featuredGroup);
+        $this->allowances->attach($paginator->getCollection(), $userId);
+
+        return CatalogFeaturedItemResource::collection($paginator)
+            ->response()
+            ->getData(true);
+    }
+
+    /** @return Builder<CatalogItem> */
+    private function itemsQuery(FeaturedGroup $featuredGroup): Builder
+    {
+        $query = CatalogItem::query()
+            ->where('catalog_items.tenant_code', $featuredGroup->tenant_code)
+            ->whereAvailable()
+            ->where(function (Builder $query): void {
+                $query
+                    ->whereDoesntHave('category')
+                    ->orWhereHas(
+                        'category',
+                        fn (Builder $categoryQuery): Builder => $categoryQuery
+                            ->where('is_enabled', true),
+                    );
+            })
+            ->with([
+                'inventory',
+                'attachments',
+                'itemAttributes.attribute',
+                'variants.inventory',
+                'variants.attachments',
+                'variants.eventDate',
+                'variants.eventDates',
+                'variants.definitions.itemAttribute.attribute.options',
+                'bundleComponents.catalogItem',
+                'bundleComponents.variant.catalogItem',
+            ]);
+
+        return match ($featuredGroup->source_type) {
+            FeaturedGroupSource::Manual => $query
+                ->select('catalog_items.*')
+                ->join('featured_items', 'featured_items.catalog_item_id', '=', 'catalog_items.id')
+                ->where('featured_items.featured_group_id', $featuredGroup->id)
+                ->orderBy('featured_items.order')
+                ->orderBy('featured_items.id'),
+            FeaturedGroupSource::Category => $query
+                ->where('catalog_items.category_id', $featuredGroup->category_id)
+                ->orderBy('catalog_items.id'),
+            FeaturedGroupSource::All => $query
+                ->orderBy('catalog_items.group_order')
+                ->orderBy('catalog_items.id'),
+        };
+    }
+
+    private function paginateItems(
+        FeaturedGroup $featuredGroup,
+        int $page,
+    ): LengthAwarePaginator {
+        $paginator = $this->itemsQuery($featuredGroup)->paginate(
+            perPage: self::ITEMS_PER_PAGE,
+            pageName: 'page',
+            page: $page,
+        );
+
+        return $paginator->withPath(route('catalog.featured-groups.items.index', [
+            'tenant' => $featuredGroup->tenant_code,
+            'featuredGroup' => $featuredGroup->id,
+        ]));
+    }
+
+    private function attachGroup(iterable $items, FeaturedGroup $featuredGroup): void
+    {
+        foreach ($items as $item) {
+            $item->setRelation('featuredGroup', $featuredGroup);
+        }
+    }
+}

app/Domains/Commerce/Catalog/Services/OnTicketFeaturedGroupService.php

@@ -0,0 +1,95 @@
+<?php
+
+namespace App\Domains\Catalog\Services;
+
+use App\Domains\Catalog\Enums\FeaturedGroupSource;
+use App\Domains\Catalog\Enums\GroupLayout;
+use App\Domains\Catalog\Enums\ProductLayout;
+use App\Domains\Catalog\Models\Category;
+use App\Domains\Catalog\Models\FeaturedGroup;
+use App\Domains\Tenant\Models\Tenant;
+use Illuminate\Database\Eloquent\Collection;
+use Illuminate\Support\Facades\DB;
+
+class OnTicketFeaturedGroupService
+{
+    /** @return Collection<int, FeaturedGroup> */
+    public function forTenant(Tenant $tenant): Collection
+    {
+        return FeaturedGroup::query()
+            ->where('tenant_code', $tenant->codigo)
+            ->where('source_type', FeaturedGroupSource::Category)
+            ->whereHas('category', fn ($query) => $query->where('tenant_code', $tenant->codigo))
+            ->with('category')
+            ->orderBy('group_order')
+            ->orderBy('id')
+            ->get();
+    }
+
+    /** @param array{category_name: string, is_featured: bool} $data */
+    public function create(Tenant $tenant, array $data): FeaturedGroup
+    {
+        return DB::transaction(function () use ($tenant, $data): FeaturedGroup {
+            $category = $tenant->categories()->create([
+                'nombre' => $data['category_name'],
+            ]);
+
+            $featuredGroup = FeaturedGroup::query()->create([
+                'tenant_code' => $tenant->codigo,
+                'source_type' => FeaturedGroupSource::Category,
+                'category_id' => $category->id,
+                'product_layout' => $this->productLayout($data['is_featured']),
+                'group_layout' => GroupLayout::Paginated,
+                'group_name' => $data['category_name'],
+                'group_order' => $this->nextOrder($tenant),
+            ]);
+
+            return $featuredGroup->setRelation('category', $category);
+        });
+    }
+
+    /** @param array{category_name: string, is_featured: bool} $data */
+    public function update(
+        Tenant $tenant,
+        FeaturedGroup $featuredGroup,
+        array $data,
+    ): FeaturedGroup {
+        return DB::transaction(function () use ($tenant, $featuredGroup, $data): FeaturedGroup {
+            $featuredGroup = FeaturedGroup::query()
+                ->whereKey($featuredGroup->getKey())
+                ->where('tenant_code', $tenant->codigo)
+                ->where('source_type', FeaturedGroupSource::Category)
+                ->lockForUpdate()
+                ->firstOrFail();
+
+            $category = Category::query()
+                ->whereKey($featuredGroup->category_id)
+                ->where('tenant_code', $tenant->codigo)
+                ->lockForUpdate()
+                ->firstOrFail();
+
+            $category->update(['nombre' => $data['category_name']]);
+            $featuredGroup->update([
+                'group_name' => $data['category_name'],
+                'product_layout' => $this->productLayout($data['is_featured']),
+                'group_layout' => GroupLayout::Paginated,
+            ]);
+
+            return $featuredGroup->setRelation('category', $category);
+        });
+    }
+
+    private function productLayout(bool $isFeatured): ProductLayout
+    {
+        return $isFeatured ? ProductLayout::Row : ProductLayout::ColumnWithCart;
+    }
+
+    private function nextOrder(Tenant $tenant): int
+    {
+        $maximumOrder = FeaturedGroup::query()
+            ->where('tenant_code', $tenant->codigo)
+            ->max('group_order');
+
+        return $maximumOrder === null ? 0 : ((int) $maximumOrder) + 1;
+    }
+}

app/Domains/Commerce/Catalog/Services/StockReservationService.php

@@ -0,0 +1,497 @@
+<?php
+
+namespace App\Domains\Catalog\Services;
+
+use App\Domains\Cart\Models\Cart;
+use App\Domains\Cart\Models\CartItem;
+use App\Domains\Catalog\Exceptions\StockReservationExpiredException;
+use App\Domains\Catalog\Models\Inventory;
+use App\Domains\Catalog\Models\StockReservation;
+use App\Domains\Catalog\Models\StockReservationLine;
+use App\Domains\Purchase\Models\Purchase;
+use Illuminate\Support\Carbon;
+use Illuminate\Support\Collection;
+use Illuminate\Support\Facades\DB;
+
+class StockReservationService
+{
+    public const REASON_CART_EMPTY = 'cart_empty';
+
+    public const REASON_CART_CHANGED = 'cart_changed';
+
+    public const REASON_EVENT_DATE_RESCHEDULED = 'event_date_rescheduled';
+
+    public const REASON_EVENT_DATE_SUSPENDED = 'event_date_suspended';
+
+    public const REASON_PURCHASE_SUPERSEDED = 'purchase_superseded';
+
+    public const REASON_PURCHASE_CANCELLED = 'purchase_cancelled';
+
+    public const REASON_PAYMENT_REJECTED = 'payment_rejected';
+
+    public const REASON_MANUAL_RELEASE = 'manual_release';
+
+    public function __construct(
+        private readonly CatalogInventoryService $inventory,
+    ) {}
+
+    public function syncCart(Cart $cart): ?StockReservation
+    {
+        return DB::transaction(function () use ($cart): ?StockReservation {
+            /** @var Cart $lockedCart */
+            $lockedCart = Cart::query()->lockForUpdate()->findOrFail($cart->getKey());
+            $items = $lockedCart->items()->orderBy('id')->lockForUpdate()->get();
+            $this->loadSelections($items);
+            $requirements = $this->requirementsForItems($items);
+
+            $reservation = $lockedCart->current_stock_reservation_id === null
+                ? null
+                : StockReservation::query()->lockForUpdate()->find($lockedCart->current_stock_reservation_id);
+
+            if ($reservation !== null) {
+                $this->assertUsableCartReservation($reservation);
+            }
+
+            if ($requirements === []) {
+                if ($reservation !== null && $reservation->status === StockReservation::STATUS_ACTIVE) {
+                    $this->finalizeLocked(
+                        $reservation,
+                        StockReservation::STATUS_RELEASED,
+                        self::REASON_CART_EMPTY,
+                    );
+                }
+
+                $lockedCart->update(['current_stock_reservation_id' => null]);
+                $cart->current_stock_reservation_id = null;
+
+                return null;
+            }
+
+            if ($reservation === null) {
+                $reservation = StockReservation::query()->create([
+                    'status' => StockReservation::STATUS_ACTIVE,
+                    'expires_at' => $this->expiration(),
+                ]);
+                $lockedCart->update(['current_stock_reservation_id' => $reservation->getKey()]);
+            }
+
+            if (Purchase::query()->where('stock_reservation_id', $reservation->getKey())->exists()) {
+                throw new \InvalidArgumentException('La reserva vinculada a una compra no se puede modificar.');
+            }
+
+            $currentLines = StockReservationLine::query()
+                ->where('stock_reservation_id', $reservation->getKey())
+                ->orderBy('inventory_id')
+                ->lockForUpdate()
+                ->get()
+                ->keyBy('inventory_id');
+            $inventoryIds = collect(array_keys($requirements))
+                ->merge($currentLines->keys())
+                ->map(fn ($id): int => (int) $id)
+                ->unique()
+                ->sort()
+                ->values();
+            $inventories = Inventory::query()
+                ->whereKey($inventoryIds)
+                ->orderBy('id')
+                ->lockForUpdate()
+                ->get()
+                ->keyBy('id');
+
+            foreach ($inventoryIds as $inventoryId) {
+                $inventory = $inventories->get($inventoryId)
+                    ?? throw new \InvalidArgumentException('No se encontró el inventario requerido.');
+                $previous = (int) ($currentLines->get($inventoryId)?->quantity ?? 0);
+                $required = (int) ($requirements[$inventoryId]['quantity'] ?? 0);
+                $delta = $required - $previous;
+
+                if ($delta > 0
+                    && $requirements[$inventoryId]['tracks_inventory']
+                    && $inventory->availableStock() < $delta) {
+                    throw new \InvalidArgumentException('No hay suficiente stock disponible para reservar el carrito.');
+                }
+
+                if ($delta < 0 && $inventory->reserved_stock < abs($delta)) {
+                    throw new \InvalidArgumentException('La reserva de stock del carrito es inconsistente.');
+                }
+            }
+
+            foreach ($inventoryIds as $inventoryId) {
+                /** @var Inventory $inventory */
+                $inventory = $inventories->get($inventoryId);
+                $line = $currentLines->get($inventoryId);
+                $previous = (int) ($line?->quantity ?? 0);
+                $required = (int) ($requirements[$inventoryId]['quantity'] ?? 0);
+                $delta = $required - $previous;
+
+                if ($delta > 0) {
+                    $inventory->reserve($delta, $requirements[$inventoryId]['tracks_inventory']);
+                } elseif ($delta < 0) {
+                    $inventory->release(abs($delta));
+                }
+
+                if ($required === 0) {
+                    $line?->delete();
+
+                    continue;
+                }
+
+                StockReservationLine::query()->updateOrCreate(
+                    [
+                        'stock_reservation_id' => $reservation->getKey(),
+                        'inventory_id' => $inventoryId,
+                    ],
+                    [
+                        'quantity' => $required,
+                        'tracks_inventory' => $requirements[$inventoryId]['tracks_inventory'],
+                    ],
+                );
+            }
+
+            $reservation->update([
+                'expires_at' => $this->expiration(),
+                'release_reason' => null,
+            ]);
+            $cart->current_stock_reservation_id = $reservation->getKey();
+
+            return $reservation->fresh('lines');
+        });
+    }
+
+    public function attachToPurchase(
+        Cart $cart,
+        Purchase $purchase,
+        Carbon $expiresAt,
+    ): StockReservation {
+        return DB::transaction(function () use ($cart, $purchase, $expiresAt): StockReservation {
+            /** @var Cart $lockedCart */
+            $lockedCart = Cart::query()->lockForUpdate()->findOrFail($cart->getKey());
+            /** @var Purchase $lockedPurchase */
+            $lockedPurchase = Purchase::query()->lockForUpdate()->findOrFail($purchase->getKey());
+
+            if ($lockedCart->current_stock_reservation_id === null) {
+                throw new \InvalidArgumentException('El carrito no tiene una reserva de stock activa.');
+            }
+
+            /** @var StockReservation $reservation */
+            $reservation = StockReservation::query()->lockForUpdate()->findOrFail($lockedCart->current_stock_reservation_id);
+            $this->assertUsableCartReservation($reservation);
+
+            $linkedPurchase = Purchase::query()
+                ->where('stock_reservation_id', $reservation->getKey())
+                ->whereKeyNot($lockedPurchase->getKey())
+                ->exists();
+            if ($linkedPurchase) {
+                throw new \InvalidArgumentException('La reserva de stock ya pertenece a otra compra.');
+            }
+
+            $lockedPurchase->update(['stock_reservation_id' => $reservation->getKey()]);
+            $reservation->update(['expires_at' => $expiresAt]);
+            $purchase->stock_reservation_id = $reservation->getKey();
+            $cart->current_stock_reservation_id = $reservation->getKey();
+
+            return $reservation->fresh('lines');
+        });
+    }
+
+    public function commit(Purchase $purchase): void
+    {
+        DB::transaction(function () use ($purchase): void {
+            /** @var Purchase $purchase */
+            $purchase = Purchase::query()->lockForUpdate()->findOrFail($purchase->getKey());
+            if ($purchase->stock_reservation_id === null) {
+                throw new \InvalidArgumentException('La compra no tiene una reserva de stock.');
+            }
+
+            /** @var StockReservation $reservation */
+            $reservation = StockReservation::query()->lockForUpdate()->findOrFail($purchase->stock_reservation_id);
+            if ($reservation->status === StockReservation::STATUS_COMMITTED) {
+                return;
+            }
+            if ($reservation->status !== StockReservation::STATUS_ACTIVE) {
+                throw new \InvalidArgumentException('La reserva de stock no está activa.');
+            }
+            if ($reservation->expires_at !== null && ! $reservation->expires_at->isFuture()) {
+                throw new StockReservationExpiredException;
+            }
+
+            $lines = $this->lockLines($reservation);
+            if ($lines->isEmpty()) {
+                throw new \InvalidArgumentException('La reserva de stock no tiene inventarios.');
+            }
+
+            $inventories = $this->lockInventories($lines);
+            foreach ($lines as $line) {
+                $inventory = $inventories->get($line->inventory_id)
+                    ?? throw new \InvalidArgumentException('No se encontró el inventario reservado.');
+                if ($inventory->reserved_stock < $line->quantity
+                    || ($line->tracks_inventory && $inventory->real_stock < $line->quantity)) {
+                    throw new \InvalidArgumentException('La reserva de stock no alcanza para confirmar la compra.');
+                }
+            }
+
+            foreach ($lines as $line) {
+                $inventories->get($line->inventory_id)->buy(
+                    (int) $line->quantity,
+                    (bool) $line->tracks_inventory,
+                );
+            }
+
+            $reservation->update([
+                'status' => StockReservation::STATUS_COMMITTED,
+                'expires_at' => null,
+                'committed_at' => now(),
+                'released_at' => null,
+                'expired_at' => null,
+                'release_reason' => null,
+            ]);
+        });
+    }
+
+    public function releaseForPurchase(
+        Purchase $purchase,
+        string $status = StockReservation::STATUS_RELEASED,
+        ?string $reason = null,
+    ): void {
+        DB::transaction(function () use ($purchase, $status, $reason): void {
+            /** @var Purchase $purchase */
+            $purchase = Purchase::query()->lockForUpdate()->findOrFail($purchase->getKey());
+            if ($purchase->stock_reservation_id === null) {
+                return;
+            }
+
+            /** @var StockReservation|null $reservation */
+            $reservation = StockReservation::query()->lockForUpdate()->find($purchase->stock_reservation_id);
+            if ($reservation !== null) {
+                $this->finalizeLocked($reservation, $status, $reason);
+            }
+        });
+    }
+
+    public function returnToCart(Purchase $purchase, Cart $cart): StockReservation
+    {
+        return DB::transaction(function () use ($purchase, $cart): StockReservation {
+            /** @var Purchase $purchase */
+            $purchase = Purchase::query()->lockForUpdate()->findOrFail($purchase->getKey());
+            /** @var Cart $cart */
+            $cart = Cart::query()->lockForUpdate()->findOrFail($cart->getKey());
+
+            if ($purchase->stock_reservation_id === null
+                || $cart->current_stock_reservation_id !== $purchase->stock_reservation_id) {
+                throw new \InvalidArgumentException('La compra y el carrito no comparten la reserva activa.');
+            }
+
+            /** @var StockReservation $reservation */
+            $reservation = StockReservation::query()
+                ->lockForUpdate()
+                ->findOrFail($purchase->stock_reservation_id);
+            $this->assertUsableCartReservation($reservation);
+
+            $purchase->update(['stock_reservation_id' => null]);
+            $cart->update(['current_purchase_id' => null]);
+            $reservation->update(['expires_at' => $this->expiration()]);
+
+            return $reservation->fresh('lines');
+        });
+    }
+
+    public function assertCartReservationUsable(Cart $cart): void
+    {
+        DB::transaction(function () use ($cart): void {
+            /** @var Cart $cart */
+            $cart = Cart::query()->lockForUpdate()->findOrFail($cart->getKey());
+            if ($cart->current_stock_reservation_id === null) {
+                return;
+            }
+
+            /** @var StockReservation $reservation */
+            $reservation = StockReservation::query()
+                ->lockForUpdate()
+                ->findOrFail($cart->current_stock_reservation_id);
+            $this->assertUsableCartReservation($reservation);
+        });
+    }
+
+    public function releaseCurrentCartReservation(
+        Cart $cart,
+        string $reason = self::REASON_CART_CHANGED,
+    ): void {
+        DB::transaction(function () use ($cart, $reason): void {
+            /** @var Cart $cart */
+            $cart = Cart::query()->lockForUpdate()->findOrFail($cart->getKey());
+            if ($cart->current_stock_reservation_id === null) {
+                return;
+            }
+
+            /** @var StockReservation|null $reservation */
+            $reservation = StockReservation::query()->lockForUpdate()->find($cart->current_stock_reservation_id);
+            if ($reservation !== null) {
+                $this->finalizeLocked($reservation, StockReservation::STATUS_RELEASED, $reason);
+            }
+            $cart->update(['current_stock_reservation_id' => null]);
+        });
+    }
+
+    public function expire(StockReservation $reservation): void
+    {
+        DB::transaction(function () use ($reservation): void {
+            /** @var StockReservation $reservation */
+            $reservation = StockReservation::query()->lockForUpdate()->findOrFail($reservation->getKey());
+            if ($reservation->status !== StockReservation::STATUS_ACTIVE
+                || $reservation->expires_at === null
+                || $reservation->expires_at->isFuture()) {
+                return;
+            }
+
+            $this->finalizeLocked($reservation, StockReservation::STATUS_EXPIRED, null);
+        });
+    }
+
+    public function clearExpirationForReview(Purchase $purchase): void
+    {
+        DB::transaction(function () use ($purchase): void {
+            /** @var Purchase $purchase */
+            $purchase = Purchase::query()->lockForUpdate()->findOrFail($purchase->getKey());
+            if ($purchase->stock_reservation_id === null) {
+                throw new \InvalidArgumentException('La compra no tiene una reserva de stock.');
+            }
+
+            /** @var StockReservation $reservation */
+            $reservation = StockReservation::query()
+                ->lockForUpdate()
+                ->findOrFail($purchase->stock_reservation_id);
+            if ($reservation->status !== StockReservation::STATUS_ACTIVE) {
+                throw new \InvalidArgumentException('La reserva de stock no está activa.');
+            }
+            if ($reservation->expires_at !== null && ! $reservation->expires_at->isFuture()) {
+                throw new StockReservationExpiredException;
+            }
+
+            $reservation->update(['expires_at' => null]);
+        });
+    }
+
+    /**
+     * @param  Collection<int, CartItem>  $items
+     * @return array<int, array{quantity: int, tracks_inventory: bool}>
+     */
+    private function requirementsForItems(Collection $items): array
+    {
+        $requirements = [];
+        foreach ($items as $item) {
+            $selection = $item->selectedItem();
+            if ($selection === null) {
+                throw new \InvalidArgumentException('El carrito contiene un item de catálogo inexistente.');
+            }
+
+            foreach ($this->inventory->detailedRequirementsFor($selection, (int) $item->cantidad) as $inventoryId => $requirement) {
+                if (isset($requirements[$inventoryId])) {
+                    $requirements[$inventoryId]['quantity'] += $requirement['quantity'];
+                    $requirements[$inventoryId]['tracks_inventory'] =
+                        $requirements[$inventoryId]['tracks_inventory'] || $requirement['tracks_inventory'];
+
+                    continue;
+                }
+
+                $requirements[$inventoryId] = $requirement;
+            }
+        }
+
+        ksort($requirements);
+
+        return $requirements;
+    }
+
+    /** @param Collection<int, CartItem> $items */
+    private function loadSelections(Collection $items): void
+    {
+        $items->load([
+            'catalogItem.inventory',
+            'catalogItem.bundleComponents.catalogItem.inventory',
+            'catalogItem.bundleComponents.variant.inventory',
+            'catalogItem.bundleComponents.variant.catalogItem',
+            'variant.inventory',
+            'variant.catalogItem',
+        ]);
+    }
+
+    /** @return Collection<int, StockReservationLine> */
+    private function lockLines(StockReservation $reservation): Collection
+    {
+        return StockReservationLine::query()
+            ->where('stock_reservation_id', $reservation->getKey())
+            ->orderBy('inventory_id')
+            ->lockForUpdate()
+            ->get();
+    }
+
+    /**
+     * @param  Collection<int, StockReservationLine>  $lines
+     * @return Collection<int, Inventory>
+     */
+    private function lockInventories(Collection $lines): Collection
+    {
+        return Inventory::query()
+            ->whereKey($lines->pluck('inventory_id'))
+            ->orderBy('id')
+            ->lockForUpdate()
+            ->get()
+            ->keyBy('id');
+    }
+
+    private function finalizeLocked(
+        StockReservation $reservation,
+        string $status,
+        ?string $reason,
+    ): void {
+        if ($reservation->status !== StockReservation::STATUS_ACTIVE) {
+            return;
+        }
+        if (! in_array($status, [StockReservation::STATUS_RELEASED, StockReservation::STATUS_EXPIRED], true)) {
+            throw new \InvalidArgumentException('El estado final de la reserva no es válido.');
+        }
+
+        $lines = $this->lockLines($reservation);
+        $inventories = $this->lockInventories($lines);
+        foreach ($lines as $line) {
+            $inventory = $inventories->get($line->inventory_id)
+                ?? throw new \InvalidArgumentException('No se encontró el inventario reservado.');
+            $inventory->release((int) $line->quantity);
+        }
+
+        $now = now();
+        $reservation->update([
+            'status' => $status,
+            'expires_at' => null,
+            'released_at' => $status === StockReservation::STATUS_RELEASED ? $now : null,
+            'expired_at' => $status === StockReservation::STATUS_EXPIRED ? $now : null,
+            'release_reason' => $status === StockReservation::STATUS_RELEASED ? $reason : null,
+        ]);
+
+        if ($status === StockReservation::STATUS_RELEASED) {
+            Cart::query()
+                ->where('current_stock_reservation_id', $reservation->getKey())
+                ->update(['current_stock_reservation_id' => null]);
+        }
+    }
+
+    private function assertUsableCartReservation(StockReservation $reservation): void
+    {
+        if ($reservation->status === StockReservation::STATUS_EXPIRED
+            || ($reservation->expires_at !== null && ! $reservation->expires_at->isFuture())) {
+            throw new StockReservationExpiredException;
+        }
+
+        if ($reservation->status !== StockReservation::STATUS_ACTIVE
+            || $reservation->expires_at === null) {
+            throw new \InvalidArgumentException('La reserva de stock no está disponible para operar el carrito.');
+        }
+    }
+
+    private function expiration(): Carbon
+    {
+        return now()->addMinutes(
+            max(1, (int) config('catalog.stock_reservation_expiration_minutes', 30)),
+        );
+    }
+}

app/Domains/Commerce/Catalog/Services/VariantReplacementService.php

@@ -0,0 +1,263 @@
+<?php
+
+namespace App\Domains\Catalog\Services;
+
+use App\Domains\Catalog\Models\BundleComponent;
+use App\Domains\Catalog\Models\Inventory;
+use App\Domains\Catalog\Models\StockReservation;
+use App\Domains\Catalog\Models\StockReservationLine;
+use App\Domains\Catalog\Models\Variant;
+use App\Domains\Event\Models\EventDate;
+use Illuminate\Support\Collection;
+
+class VariantReplacementService
+{
+    /** @return Collection<int, Variant> */
+    public function replaceEventDate(EventDate $source, EventDate $destination): Collection
+    {
+        $variants = Variant::query()
+            ->whereNull('sales_disabled_at')
+            ->whereNull('replaced_by_variant_id')
+            ->where(function ($query) use ($source): void {
+                $query->where('event_date_id', $source->getKey())
+                    ->orWhereHas('eventDates', fn ($eventDates) => $eventDates
+                        ->where('event_dates.id', $source->getKey()));
+            })
+            ->with(['eventDates', 'eventDate', 'definitions', 'allAttachments'])
+            ->orderBy('id')
+            ->lockForUpdate()
+            ->get();
+
+        return $variants->map(function (Variant $variant) use ($source, $destination): Variant {
+            $destinationDateIds = $variant->selectedEventDates()
+                ->pluck('id')
+                ->map(fn ($id): int => (int) $id === (int) $source->getKey()
+                    ? (int) $destination->getKey()
+                    : (int) $id)
+                ->unique()
+                ->sort()
+                ->values();
+
+            $replacement = $this->findEquivalent($variant, $destinationDateIds)
+                ?? $this->cloneWithDates($variant, $destinationDateIds);
+
+            $variant->update([
+                'replaced_by_variant_id' => $replacement->getKey(),
+                'sales_disabled_at' => now(),
+            ]);
+
+            BundleComponent::query()
+                ->where('component_variant_id', $variant->getKey())
+                ->update(['component_variant_id' => $replacement->getKey()]);
+
+            return $replacement;
+        })->values();
+    }
+
+    public function disableForSuspension(EventDate $eventDate): void
+    {
+        $variants = Variant::query()
+            ->whereNull('sales_disabled_at')
+            ->whereNull('replaced_by_variant_id')
+            ->where(function ($query) use ($eventDate): void {
+                $query->where('event_date_id', $eventDate->getKey())
+                    ->orWhereHas('eventDates', fn ($eventDates) => $eventDates
+                        ->where('event_dates.id', $eventDate->getKey()));
+            })
+            ->with(['eventDates', 'eventDate', 'definitions', 'allAttachments'])
+            ->orderBy('id')
+            ->lockForUpdate()
+            ->get();
+
+        foreach ($variants as $variant) {
+            $remainingDateIds = $variant->selectedEventDates()
+                ->filter(fn (EventDate $date): bool => $date->suspended_at === null
+                    && $date->rescheduled_to_event_date_id === null)
+                ->pluck('id')
+                ->map(fn ($id): int => (int) $id)
+                ->unique()
+                ->sort()
+                ->values();
+
+            if ($remainingDateIds->isEmpty()) {
+                $variant->update(['sales_disabled_at' => now()]);
+
+                continue;
+            }
+
+            $replacement = $this->findEquivalent($variant, $remainingDateIds);
+            if ($replacement === null) {
+                $replacement = $this->cloneWithDates($variant, $remainingDateIds);
+            } else {
+                $this->mergeInventoryInto($variant, $replacement);
+            }
+
+            $variant->update([
+                'replaced_by_variant_id' => $replacement->getKey(),
+                'sales_disabled_at' => now(),
+            ]);
+
+            BundleComponent::query()
+                ->where('component_variant_id', $variant->getKey())
+                ->update(['component_variant_id' => $replacement->getKey()]);
+        }
+    }
+
+    /** @param Collection<int, int> $eventDateIds */
+    private function findEquivalent(Variant $source, Collection $eventDateIds): ?Variant
+    {
+        $definitionSignature = $this->definitionSignature($source);
+        $dateSignature = $eventDateIds->map(fn ($id): int => (int) $id)->sort()->values()->all();
+
+        return Variant::query()
+            ->where('catalog_item_id', $source->catalog_item_id)
+            ->whereKeyNot($source->getKey())
+            ->whereNull('sales_disabled_at')
+            ->whereNull('replaced_by_variant_id')
+            ->with(['eventDates', 'eventDate', 'definitions'])
+            ->orderBy('id')
+            ->lockForUpdate()
+            ->get()
+            ->first(fn (Variant $candidate): bool => $this->definitionSignature($candidate) === $definitionSignature
+                && $candidate->selectedEventDates()
+                    ->pluck('id')
+                    ->map(fn ($id): int => (int) $id)
+                    ->sort()
+                    ->values()
+                    ->all() === $dateSignature
+            );
+    }
+
+    /** @param Collection<int, int> $eventDateIds */
+    private function cloneWithDates(Variant $source, Collection $eventDateIds): Variant
+    {
+        $replacementInventory = $this->cloneInventory($source);
+        $replacement = $source->replicate([
+            'event_date_id',
+            'inventory_id',
+            'replaced_by_variant_id',
+            'sales_disabled_at',
+        ]);
+        $replacement->inventory_id = $replacementInventory->getKey();
+        $replacement->event_date_id = $eventDateIds->count() === 1
+            ? $eventDateIds->first()
+            : null;
+        $replacement->save();
+        $replacement->eventDates()->sync($eventDateIds->all());
+
+        $replacement->definitions()->createMany(
+            $source->definitions
+                ->map(fn ($definition): array => [
+                    'item_attribute_id' => $definition->item_attribute_id,
+                    'value' => $definition->value,
+                ])
+                ->all(),
+        );
+
+        $attachments = $source->allAttachments
+            ->mapWithKeys(fn ($attachment): array => [
+                $attachment->getKey() => [
+                    'orden' => $attachment->pivot->orden,
+                    'is_enabled' => $attachment->pivot->is_enabled,
+                ],
+            ])
+            ->all();
+        $replacement->allAttachments()->sync($attachments);
+
+        return $replacement->load(['eventDates', 'eventDate', 'definitions', 'allAttachments']);
+    }
+
+    private function cloneInventory(Variant $source): Inventory
+    {
+        $activeLines = StockReservationLine::query()
+            ->where('inventory_id', $source->inventory_id)
+            ->whereHas('reservation', fn ($reservation) => $reservation
+                ->where('status', StockReservation::STATUS_ACTIVE))
+            ->orderBy('id')
+            ->lockForUpdate()
+            ->get();
+        $sourceInventory = Inventory::query()
+            ->whereKey($source->inventory_id)
+            ->lockForUpdate()
+            ->firstOrFail();
+        $reservedStock = (int) $activeLines->sum('quantity');
+
+        if ($sourceInventory->reserved_stock !== $reservedStock) {
+            throw new \LogicException('El inventario reservado de la variante es inconsistente.');
+        }
+
+        $replacementInventory = Inventory::query()->create([
+            'sold_units' => $sourceInventory->sold_units,
+            'refunded_units' => $sourceInventory->refunded_units,
+            'reserved_stock' => $reservedStock,
+            'real_stock' => $sourceInventory->real_stock,
+        ]);
+
+        if ($activeLines->isNotEmpty()) {
+            StockReservationLine::query()
+                ->whereKey($activeLines->modelKeys())
+                ->update(['inventory_id' => $replacementInventory->getKey()]);
+        }
+        $sourceInventory->update(['reserved_stock' => 0]);
+
+        return $replacementInventory;
+    }
+
+    private function mergeInventoryInto(Variant $source, Variant $destination): void
+    {
+        if ($source->inventory_id === $destination->inventory_id) {
+            return;
+        }
+
+        $inventories = Inventory::query()
+            ->whereKey([$source->inventory_id, $destination->inventory_id])
+            ->orderBy('id')
+            ->lockForUpdate()
+            ->get()
+            ->keyBy('id');
+        $sourceInventory = $inventories->get($source->inventory_id);
+        $destinationInventory = $inventories->get($destination->inventory_id);
+        if ($sourceInventory === null || $destinationInventory === null) {
+            throw new \LogicException('No se encontró el inventario de una variante.');
+        }
+
+        $activeLines = StockReservationLine::query()
+            ->where('inventory_id', $source->inventory_id)
+            ->whereHas('reservation', fn ($reservation) => $reservation
+                ->where('status', StockReservation::STATUS_ACTIVE))
+            ->orderBy('id')
+            ->lockForUpdate()
+            ->get();
+        if ($sourceInventory->reserved_stock !== (int) $activeLines->sum('quantity')) {
+            throw new \LogicException('El inventario reservado de la variante es inconsistente.');
+        }
+
+        $destinationInventory->update([
+            'real_stock' => $destinationInventory->real_stock + $sourceInventory->real_stock,
+            'reserved_stock' => $destinationInventory->reserved_stock + $sourceInventory->reserved_stock,
+            'sold_units' => $destinationInventory->sold_units + $sourceInventory->sold_units,
+            'refunded_units' => $destinationInventory->refunded_units + $sourceInventory->refunded_units,
+        ]);
+        if ($activeLines->isNotEmpty()) {
+            StockReservationLine::query()
+                ->whereKey($activeLines->modelKeys())
+                ->update(['inventory_id' => $destinationInventory->getKey()]);
+        }
+        $sourceInventory->update([
+            'real_stock' => 0,
+            'reserved_stock' => 0,
+            'sold_units' => 0,
+            'refunded_units' => 0,
+        ]);
+    }
+
+    /** @return list<string> */
+    private function definitionSignature(Variant $variant): array
+    {
+        return $variant->definitions
+            ->map(fn ($definition): string => $definition->item_attribute_id.'\0'.$definition->value)
+            ->sort()
+            ->values()
+            ->all();
+    }
+}

app/Domains/Commerce/Catalog/Services/VariantSelectionService.php

@@ -0,0 +1,225 @@
+<?php
+
+namespace App\Domains\Catalog\Services;
+
+use App\Domains\Catalog\Enums\InventoryPolicy;
+use App\Domains\Catalog\Models\CatalogItem;
+use App\Domains\Catalog\Models\ItemAttribute;
+use App\Domains\Catalog\Models\Variant;
+use Illuminate\Support\Collection;
+
+class VariantSelectionService
+{
+    /**
+     * @param  array<string, mixed>  $selectedValues
+     * @return array<string, mixed>
+     */
+    public function options(
+        CatalogItem $catalogItem,
+        array $selectedValues,
+        ?int $includedVariantId = null,
+    ): array {
+        $catalogItem->load([
+            'itemAttributes.attribute',
+            'variants' => fn ($query) => $query->orderBy('id'),
+            'variants.inventory',
+            'variants.eventDate',
+            'variants.eventDates',
+            'variants.definitions' => fn ($query) => $query->orderBy('id'),
+            'variants.definitions.itemAttribute.attribute.options',
+        ]);
+
+        $variants = $catalogItem->visibleVariants($includedVariantId)
+            ->values();
+        $normalizedSelections = collect($selectedValues)
+            ->mapWithKeys(fn ($value, string $key): array => [$key => $this->normalizeValue($value)])
+            ->filter(fn ($value): bool => $value !== null && $value !== '' && $value !== [])
+            ->all();
+        $matchingVariants = $variants
+            ->filter(fn (Variant $variant): bool => $this->matches($variant, $normalizedSelections))
+            ->values();
+        $attributeKeys = $this->attributeKeys($catalogItem, $catalogItem->variants->values());
+        $isComplete = $attributeKeys->isNotEmpty()
+            && $attributeKeys->every(fn (string $key): bool => array_key_exists($key, $normalizedSelections));
+        $resolvedVariant = $isComplete && $matchingVariants->count() === 1
+            ? $matchingVariants->first()
+            : null;
+
+        return [
+            'variants' => $variants
+                ->map(fn (Variant $variant): array => $this->variantData($catalogItem, $variant))
+                ->values()
+                ->all(),
+            'selectors' => $this->selectors(
+                $catalogItem,
+                $variants,
+                $attributeKeys,
+                $matchingVariants->isEmpty() ? [] : $normalizedSelections,
+            ),
+            'selected_values' => (object) ($matchingVariants->isEmpty() ? [] : $normalizedSelections),
+            'resolved_variant' => $resolvedVariant === null
+                ? null
+                : $this->variantData($catalogItem, $resolvedVariant),
+            'valid' => $matchingVariants->isNotEmpty(),
+            'available_variant_count' => $variants->count(),
+            'matching_variant_count' => $matchingVariants->count(),
+            'price_range' => $this->priceRange($catalogItem, $variants),
+        ];
+    }
+
+    /** @param array<string, mixed> $selectedValues */
+    private function matches(Variant $variant, array $selectedValues): bool
+    {
+        $variantValues = $variant->selectionValues();
+
+        foreach ($selectedValues as $key => $selectedValue) {
+            if (! $variantValues->has($key)
+                || $this->valueKey($variantValues->get($key)) !== $this->valueKey($selectedValue)) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    /** @param Collection<int, Variant> $variants */
+    private function attributeKeys(CatalogItem $catalogItem, Collection $variants): Collection
+    {
+        return $variants
+            ->flatMap(fn (Variant $variant): array => $variant
+                ->selectorOptions($catalogItem->itemAttributes)
+                ->keys()
+                ->all())
+            ->unique()
+            ->values();
+    }
+
+    /**
+     * @param  Collection<int, Variant>  $variants
+     * @param  Collection<int, string>  $attributeKeys
+     * @param  array<string, mixed>  $selectedValues
+     * @return list<array<string, mixed>>
+     */
+    private function selectors(
+        CatalogItem $catalogItem,
+        Collection $variants,
+        Collection $attributeKeys,
+        array $selectedValues,
+    ): array {
+        return $attributeKeys
+            ->map(function (string $key, int $index) use (
+                $catalogItem,
+                $variants,
+                $attributeKeys,
+                $selectedValues,
+            ): array {
+                $previousKeys = $attributeKeys->take($index);
+                $previousSelections = collect($selectedValues)
+                    ->only($previousKeys->all())
+                    ->all();
+                $compatibleVariants = $variants
+                    ->filter(fn (Variant $variant): bool => $this->matches($variant, $previousSelections));
+
+                return [
+                    'key' => $key,
+                    'label' => $this->attributeLabel($catalogItem, $key),
+                    'options' => $this->optionsFor($catalogItem, $compatibleVariants, $key),
+                    'enabled' => $index === 0 || $previousKeys->every(
+                        fn (string $previousKey): bool => array_key_exists($previousKey, $selectedValues),
+                    ),
+                ];
+            })
+            ->values()
+            ->all();
+    }
+
+    /**
+     * @param  Collection<int, Variant>  $variants
+     * @return list<mixed>
+     */
+    private function optionsFor(CatalogItem $catalogItem, Collection $variants, string $key): array
+    {
+        $options = [];
+        $seen = [];
+
+        foreach ($variants as $variant) {
+            $option = $variant->selectorOptions($catalogItem->itemAttributes)->get($key);
+            if ($option === null || $option === '') {
+                continue;
+            }
+
+            $optionKey = $this->valueKey($option);
+            if (isset($seen[$optionKey])) {
+                continue;
+            }
+
+            $seen[$optionKey] = true;
+            $options[] = $option;
+        }
+
+        return $options;
+    }
+
+    private function attributeLabel(CatalogItem $catalogItem, string $key): string
+    {
+        if ($key === 'event_date') {
+            return 'Fecha';
+        }
+
+        return $catalogItem->itemAttributes
+            ->first(fn (ItemAttribute $itemAttribute): bool => $itemAttribute->attribute?->codigo === $key)
+            ?->attribute
+            ?->nombre ?? str($key)->headline()->toString();
+    }
+
+    /** @param Collection<int, Variant> $variants */
+    private function priceRange(CatalogItem $catalogItem, Collection $variants): array
+    {
+        $prices = $variants
+            ->map(fn (Variant $variant): float => $variant->getPrice())
+            ->whenEmpty(fn (Collection $prices): Collection => $prices->push($catalogItem->getPrice()));
+
+        return [
+            'minimum' => number_format((float) $prices->min(), 2, '.', ''),
+            'maximum' => number_format((float) $prices->max(), 2, '.', ''),
+        ];
+    }
+
+    /** @return array<string, mixed> */
+    private function variantData(CatalogItem $catalogItem, Variant $variant): array
+    {
+        return [
+            'id' => $variant->id,
+            'descripcion' => $variant->getDescription(),
+            'precio' => number_format($variant->getPrice(), 2, '.', ''),
+            'stock_tecnico' => $catalogItem->inventory_policy === InventoryPolicy::Unlimited
+                ? null
+                : $variant->inventory?->availableStock(),
+            'values' => $variant->selectorOptions($catalogItem->itemAttributes),
+        ];
+    }
+
+    private function normalizeValue(mixed $value): mixed
+    {
+        if (is_array($value) && array_key_exists('value', $value)) {
+            return (string) $value['value'];
+        }
+
+        if (is_array($value)) {
+            return array_map(fn ($item) => $this->normalizeValue($item), $value);
+        }
+
+        return is_scalar($value) ? (string) $value : null;
+    }
+
+    private function valueKey(mixed $value): string
+    {
+        $normalized = $this->normalizeValue($value);
+
+        if (is_array($normalized)) {
+            sort($normalized);
+        }
+
+        return json_encode($normalized, JSON_THROW_ON_ERROR);
+    }
+}

app/Domains/Commerce/Catalog/documentacion/README.md

@@ -0,0 +1,36 @@
+# Dominio Catalog
+
+## Propósito
+
+Modela y publica la oferta comercial del tenant: productos, variantes, categorías, marcas, atributos, inventario, bundles y grupos destacados.
+
+## Modelo
+
+- `CatalogItem` es la raíz del producto y se relaciona con tenant, categoría, marca, inventario, variantes, atributos, adjuntos y grupos destacados.
+- `Variant`, `ItemAttribute`, `Attribute`, `AttributeOption` y `VariantDefinition` describen opciones comercializables.
+- `Inventory` administra stock disponible, reservado y comprado.
+- `StockReservation` representa la reserva completa de un carrito o checkout, con estados `active`, `committed`, `released` y `expired`. Su `expires_at` es el único reloj del bloqueo. Al expirar, también pasan a `expired` la compra pagable y el carrito asociados dentro de la misma transacción. Sus estados terminales nunca se reactivan ni se reemplazan implícitamente. Sus `StockReservationLine` agregan la cantidad requerida por inventario, incluso cuando varios ítems o bundles consumen el mismo stock.
+- `Category` soporta jerarquía y categorías globales o propias del tenant.
+- `FeaturedGroup` y `FeaturedItem` organizan secciones destacadas.
+- `BundleComponent` representa los componentes de un paquete.
+
+## Servicios
+
+- `CatalogService`: alta, búsqueda, detalle, listado por categoría y eliminación.
+- `CatalogInventoryService`: consulta, reserva, libera y confirma inventario.
+- `StockReservationService`: sincroniza el carrito como conjunto, bloquea todos sus inventarios en orden estable y mantiene el ledger agregado consistente con `Inventory.reserved_stock`.
+- `ExpireStockReservationsService`: detecta en un único recorrido reservas vencidas de compras, carritos y huérfanas, y delega los efectos comerciales sin mezclar esas reglas con la liberación física del inventario.
+- `FeaturedGroupService`: pagina los ítems destacados para la tienda.
+- `OnTicketFeaturedGroupService`: administra grupos destacados del panel para sitios de tickets.
+
+## Endpoints de tienda
+
+Bajo `/tenants/{tenant:codigo}` se publican catálogo, búsqueda, categoría, detalle, alta de ítems y paginación de grupos destacados.
+
+## Endpoints administrativos
+
+Bajo `/v1/adminapp/tenant/featured-groups`, con `auth:sanctum` y `adminapp.tenant`, se listan, crean y actualizan grupos destacados.
+
+## Dependencias y reglas
+
+Usa `Attachable` para imágenes/archivos, `Tenant` para aislamiento y `Ticket`/`Event` para vigencia y fechas. `Cart` y `Purchase` consumen sus precios, variantes e inventario. Los cambios de stock deben pasar por `CatalogInventoryService` para conservar reservas y disponibilidad.

app/Domains/Commerce/Catalog/routes/adminapp.php

@@ -0,0 +1,15 @@
+<?php
+
+use App\Domains\Catalog\Controllers\AdminApp\OnTicketFeaturedGroupController;
+use Illuminate\Support\Facades\Route;
+
+Route::prefix('v1/adminapp/tenant')
+    ->middleware(['auth:sanctum', 'adminapp.tenant'])
+    ->group(function (): void {
+        Route::get('featured-groups', [OnTicketFeaturedGroupController::class, 'index'])
+            ->name('adminapp.featured-groups.index');
+        Route::post('featured-groups', [OnTicketFeaturedGroupController::class, 'store'])
+            ->name('adminapp.featured-groups.store');
+        Route::put('featured-groups/{featuredGroup}', [OnTicketFeaturedGroupController::class, 'update'])
+            ->name('adminapp.featured-groups.update');
+    });

app/Domains/Commerce/Catalog/routes/api.php

@@ -0,0 +1,19 @@
+<?php
+
+use App\Domains\Catalog\Controllers\CatalogController;
+use Illuminate\Support\Facades\Route;
+
+Route::prefix('tenants/{tenant:codigo}')->group(function (): void {
+    Route::get('catalog', [CatalogController::class, 'index']);
+    Route::get('catalog/featured-groups/{featuredGroup}/items', [CatalogController::class, 'featuredGroupItems'])
+        ->name('catalog.featured-groups.items.index');
+    Route::get('catalog-items', [CatalogController::class, 'search'])
+        ->name('catalog-items.index');
+    Route::get('categories/{category}', [CatalogController::class, 'category'])
+        ->name('categories.show');
+    Route::get('catalog-items/{catalogItem}', [CatalogController::class, 'show']);
+    Route::post('catalog-items/{catalogItem}/variant-options', [CatalogController::class, 'variantOptions']);
+    Route::post('catalog-items', [CatalogController::class, 'store']);
+});
+
+require __DIR__.'/adminapp.php';

app/Domains/Commerce/Purchase/Controllers/PurchaseController.php

@@ -0,0 +1,285 @@
+<?php
+
+namespace App\Domains\Purchase\Controllers;
+
+use App\Domains\Integration\Services\TelepagosIntegrationService;
+use App\Domains\Purchase\Models\Purchase;
+use App\Domains\Purchase\Requests\PaymentIntentRequest;
+use App\Domains\Purchase\Requests\StartCheckoutRequest;
+use App\Domains\Purchase\Requests\UpdatePurchaseCustomerRequest;
+use App\Domains\Purchase\Resources\PurchaseResource;
+use App\Domains\Purchase\Services\Checkout\PurchaseResponseLoader;
+use App\Domains\Purchase\Services\CheckoutService;
+use App\Domains\Purchase\Services\PurchaseStateGuard;
+use App\Domains\Tenant\Models\Tenant;
+use App\Http\Controllers\Controller;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Log;
+use Illuminate\Validation\ValidationException;
+use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
+
+class PurchaseController extends Controller
+{
+    public function index(Request $request, Tenant $tenant): JsonResponse
+    {
+        $statusParam = $request->query('status');
+        $statuses = is_string($statusParam)
+            ? collect(explode(',', $statusParam))
+                ->map(fn (string $status): string => trim($status))
+                ->filter()
+                ->unique()
+                ->values()
+                ->all()
+            : [];
+
+        return PurchaseResource::collection(
+            Purchase::query()
+                ->with('stockReservation')
+                ->where('tenant_codigo', $tenant->codigo)
+                ->where('user_id', $request->user()->id)
+                ->when($statuses !== [], fn ($query) => $query->whereIn('status', $statuses))
+                ->orderBy('status')
+                ->latest()
+                ->paginateFromRequest()
+        )->response();
+    }
+
+    public function startCheckout(
+        StartCheckoutRequest $request,
+        Tenant $tenant,
+        CheckoutService $checkoutService,
+    ): JsonResponse {
+        $data = $request->validated();
+
+        $purchase = $checkoutService->startCheckout(
+            $tenant,
+            $request->user()->id,
+            $data
+        );
+
+        return PurchaseResource::make($purchase)->response()->setStatusCode(201);
+    }
+
+    public function show(
+        Request $request,
+        Tenant $tenant,
+        Purchase $compra,
+        PurchaseResponseLoader $responses,
+    ): PurchaseResource {
+        $compra = $this->resolveScopedPurchase($tenant, $request->user()->id, $compra);
+
+        $compra->loadMissing('items')->loadCount('tickets');
+        $responses->load($compra);
+
+        return PurchaseResource::make($compra);
+    }
+
+    public function updateCustomerData(
+        UpdatePurchaseCustomerRequest $request,
+        Tenant $tenant,
+        Purchase $compra,
+        CheckoutService $checkoutService,
+    ): PurchaseResource {
+        $compra = $this->resolveScopedPurchase($tenant, $request->user()->id, $compra);
+
+        return PurchaseResource::make(
+            $checkoutService->updateCustomerData($compra, $request->validated()),
+        );
+    }
+
+    public function paymentIntent(
+        PaymentIntentRequest $request,
+        Tenant $tenant,
+        Purchase $compra,
+        PurchaseStateGuard $purchaseState,
+    ): JsonResponse {
+        $compra = $this->resolveScopedPurchase($tenant, $request->user()->id, $compra);
+        $method = $request->validated('method');
+        $transferPayerDni = $method === 'transfer'
+            ? preg_replace('/\D+/', '', (string) $request->validated('transfer_payer_dni'))
+            : null;
+
+        $updated = DB::transaction(function () use (
+            $compra,
+            $method,
+            $purchaseState,
+            $transferPayerDni,
+        ): bool {
+            /** @var Purchase|null $purchase */
+            $purchase = Purchase::query()
+                ->whereKey($compra->getKey())
+                ->lockForUpdate()
+                ->first();
+
+            if ($purchase === null) {
+                return false;
+            }
+
+            $purchaseState->assertNotExpired($purchase);
+
+            if (
+                ! in_array($purchase->status, [
+                    Purchase::STATUS_CREATED,
+                    Purchase::STATUS_PENDING_PAYMENT,
+                ], true)
+            ) {
+                return false;
+            }
+
+            $purchaseState->lockCurrentCart($purchase);
+
+            $purchaseUpdate = [
+                'payment_method' => $method,
+                'status' => Purchase::STATUS_PENDING_PAYMENT,
+                'total' => $purchase->calculateCurrentTotalAmount(),
+            ];
+
+            if ($transferPayerDni !== null) {
+                $purchaseUpdate['transfer_payer_dni'] = $transferPayerDni;
+            }
+            $purchase->update($purchaseUpdate);
+
+            return true;
+        });
+
+        if (! $updated) {
+            throw ValidationException::withMessages([
+                'purchase' => __('api.purchase.not_available_for_payment'),
+            ]);
+        }
+
+        $compra->refresh();
+        $totalAmount = (float) $compra->total;
+
+        if ($method === 'transfer') {
+            $telepagosService = new TelepagosIntegrationService;
+            $telepagosService->forTenant($tenant->codigo);
+
+            try {
+                $accountInfo = $telepagosService->getAccountInfo();
+
+                Log::channel('telepagos')->info('Telepagos account information retrieved.', [
+                    'tenant_code' => $tenant->codigo,
+                    'purchase_id' => $compra->id,
+                ]);
+
+                return response()->json([
+                    'payment_method' => 'transfer',
+                    'transfer_data' => [
+                        'titular' => $accountInfo['holder'] ?? null,
+                        'cvu' => $accountInfo['cvu'] ?? null,
+                        'alias' => $accountInfo['alias'] ?? null,
+                        'cuit' => $accountInfo['cuit'] ?? null,
+                        'entidad' => $accountInfo['entity'] ?? 'Telepagos S.A.',
+                    ],
+                ]);
+            } catch (\Exception $e) {
+                Log::channel('telepagos')->error('Unable to retrieve TelePagos account information.', [
+                    'tenant_code' => $tenant->codigo,
+                    'purchase_id' => $compra->id,
+                    'error' => $e->getMessage(),
+                ]);
+
+                return response()->json([
+                    'code' => 'integration.account_info_failed',
+                    'message' => __('api.integration.account_info_failed'),
+                ], 500);
+            }
+        }
+
+        if ($method === 'qr') {
+            $telepagosService = new TelepagosIntegrationService;
+            $telepagosService->forTenant($tenant->codigo);
+
+            try {
+                Log::channel('telepagos')->info('Generating Telepagos QR.', [
+                    'tenant_code' => $tenant->codigo,
+                    'purchase_id' => $compra->id,
+                    'amount' => $totalAmount,
+                ]);
+                $qrResponse = $telepagosService->generateQr(
+                    $totalAmount,
+                    'Compra',
+                    "Compra #{$compra->id}"
+                );
+
+                $telepagosQr = $compra->telepagosQr()->create([
+                    'qr_order_id' => (string) ($qrResponse['qr_order_id'] ?? ''),
+                    'qr_code' => $qrResponse['qr_code'] ?? '',
+                ]);
+
+                Log::channel('telepagos')->info('Telepagos QR generated successfully.', [
+                    'tenant_code' => $tenant->codigo,
+                    'purchase_id' => $compra->id,
+                    'qr_order_id' => $telepagosQr->qr_order_id,
+                ]);
+            } catch (\Exception $e) {
+                Log::channel('telepagos')->error('Unable to generate TelePagos QR code.', [
+                    'tenant_code' => $tenant->codigo,
+                    'purchase_id' => $compra->id,
+                    'error' => $e->getMessage(),
+                ]);
+
+                return response()->json([
+                    'code' => 'integration.qr_generation_failed',
+                    'message' => __('api.integration.qr_generation_failed'),
+                ], 500);
+            }
+
+            return response()->json([
+                'payment_method' => 'qr',
+                'qr_data' => [
+                    'qr_code' => $telepagosQr->qr_code,
+                    'qr_order_id' => $telepagosQr->qr_order_id,
+                ],
+            ]);
+        }
+
+        return response()->json([
+            'code' => 'integration.invalid_payment_method',
+            'message' => __('api.integration.invalid_payment_method'),
+        ], 400);
+    }
+
+    public function complete(Request $request, Tenant $tenant, Purchase $compra, CheckoutService $checkoutService): PurchaseResource
+    {
+        $compra = $this->resolveScopedPurchase($tenant, $request->user()->id, $compra);
+
+        return PurchaseResource::make(
+            $checkoutService->completePurchase($compra)
+        );
+    }
+
+    public function submitForReview(
+        Request $request,
+        Tenant $tenant,
+        Purchase $compra,
+        CheckoutService $checkoutService,
+    ): PurchaseResource {
+        $compra = $this->resolveScopedPurchase($tenant, $request->user()->id, $compra);
+
+        return PurchaseResource::make(
+            $checkoutService->submitForReview($compra),
+        );
+    }
+
+    public function cancel(Request $request, Tenant $tenant, Purchase $compra, CheckoutService $checkoutService): PurchaseResource
+    {
+        $compra = $this->resolveScopedPurchase($tenant, $request->user()->id, $compra);
+
+        return PurchaseResource::make(
+            $checkoutService->cancelPurchase($compra)
+        );
+    }
+
+    protected function resolveScopedPurchase(Tenant $tenant, int $userId, Purchase $purchase): Purchase
+    {
+        if ($purchase->tenant_codigo !== $tenant->codigo || $purchase->user_id !== $userId) {
+            throw new NotFoundHttpException(__('api.errors.not_found'));
+        }
+
+        return $purchase;
+    }
+}

app/Domains/Commerce/Purchase/Events/PurchasePaid.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace App\Domains\Purchase\Events;
+
+use Illuminate\Foundation\Events\Dispatchable;
+use Illuminate\Queue\SerializesModels;
+
+class PurchasePaid
+{
+    use Dispatchable, SerializesModels;
+
+    public function __construct(public readonly int $purchaseId) {}
+}

app/Domains/Commerce/Purchase/Exceptions/InsufficientStockException.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace App\Domains\Purchase\Exceptions;
+
+use RuntimeException;
+
+class InsufficientStockException extends RuntimeException
+{
+    /**
+     * @param  array<int, array{
+     *     index: int,
+     *     catalog_item_id: int,
+     *     variant_id: int|null,
+     *     requested_quantity: int,
+     *     available_quantity: int,
+     *     message: string
+     * }>  $unavailableItems
+     */
+    public function __construct(
+        public readonly array $unavailableItems,
+    ) {
+        parent::__construct(
+            collect($unavailableItems)->pluck('message')->unique()->implode(' '),
+        );
+    }
+
+    /** @return array<string, array<int, string>> */
+    public function errors(): array
+    {
+        return collect($this->unavailableItems)
+            ->mapWithKeys(fn (array $item): array => [
+                "direct_items.{$item['index']}.cantidad" => [$item['message']],
+            ])
+            ->all();
+    }
+}

app/Domains/Commerce/Purchase/Exceptions/PurchaseExpiredException.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace App\Domains\Purchase\Exceptions;
+
+use RuntimeException;
+
+class PurchaseExpiredException extends RuntimeException
+{
+    public function __construct()
+    {
+        parent::__construct(__('api.purchase.expired'));
+    }
+}

app/Domains/Commerce/Purchase/Exceptions/PurchaseLimitExceededException.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Domains\Purchase\Exceptions;
+
+use App\Domains\Catalog\Models\CatalogItem;
+use Illuminate\Validation\ValidationException;
+
+class PurchaseLimitExceededException extends ValidationException
+{
+    public readonly int $catalogItemId;
+
+    public readonly string $catalogItemName;
+
+    public readonly int $maximumAddableQuantity;
+
+    public function __construct(CatalogItem $catalogItem, int $maximumAddableQuantity, string $field)
+    {
+        $this->catalogItemId = (int) $catalogItem->getKey();
+        $this->catalogItemName = $catalogItem->nombre;
+        $this->maximumAddableQuantity = $maximumAddableQuantity;
+
+        parent::__construct(validator([], []));
+
+        $message = trans_choice('api.purchase_limit.exceeded', $maximumAddableQuantity, [
+            'max' => $maximumAddableQuantity,
+            'product' => $this->catalogItemName,
+        ]);
+        $this->message = $message;
+        $this->validator->errors()->add($field, $message);
+    }
+}

app/Domains/Commerce/Purchase/Models/Purchase.php

@@ -0,0 +1,279 @@
+<?php
+
+namespace App\Domains\Purchase\Models;
+
+use App\Domains\Auth\Models\User;
+use App\Domains\Cart\Models\Cart;
+use App\Domains\Catalog\Models\StockReservation;
+use App\Domains\Logging\Models\Concerns\LogsValueChanges;
+use App\Domains\Purchase\Events\PurchasePaid;
+use App\Domains\Tenant\Models\Tenant;
+use App\Domains\Ticket\Models\Ticket;
+use Illuminate\Database\Eloquent\Attributes\Fillable;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Database\Eloquent\Relations\HasManyThrough;
+use Illuminate\Database\Eloquent\Relations\HasOne;
+use Illuminate\Support\Facades\DB;
+
+#[Fillable([
+    'cart_id',
+    'stock_reservation_id',
+    'tenant_codigo',
+    'user_id',
+    'status',
+    'payment_method',
+    'total',
+    'dni',
+    'transfer_payer_dni',
+    'telefono',
+    'nombre_apellido',
+    'email',
+])]
+class Purchase extends Model
+{
+    use HasFactory, LogsValueChanges;
+
+    public const STATUS_CREATED = 'created';
+
+    public const STATUS_PENDING_PAYMENT = 'pending_payment';
+
+    public const STATUS_IN_REVIEW = 'in_review';
+
+    public const STATUS_PAID = 'paid';
+
+    public const STATUS_CANCELLED = 'cancelled';
+
+    public const STATUS_REJECTED = 'rejected';
+
+    public const STATUS_EXPIRED = 'expired';
+
+    public const STATUS_SUPERSEDED = 'superseded';
+
+    public const ADMIN_STATUS_INCOMPLETE = 'incomplete';
+
+    public const ADMIN_STATUS_AWAITING_PAYMENT = 'awaiting_payment';
+
+    public const ADMIN_STATUS_CONFIRMED = 'confirmed';
+
+    public const ADMIN_STATUS_CANCELLED = 'cancelled';
+
+    /** @return list<string> */
+    public static function statuses(): array
+    {
+        return [
+            self::STATUS_CREATED,
+            self::STATUS_PENDING_PAYMENT,
+            self::STATUS_IN_REVIEW,
+            self::STATUS_PAID,
+            self::STATUS_CANCELLED,
+            self::STATUS_REJECTED,
+            self::STATUS_EXPIRED,
+            self::STATUS_SUPERSEDED,
+        ];
+    }
+
+    /**
+     * @return array<string, array{name: string, statuses: list<string>}>
+     */
+    public static function adminStatuses(): array
+    {
+        return [
+            self::ADMIN_STATUS_INCOMPLETE => [
+                'name' => 'Por completar datos',
+                'statuses' => [self::STATUS_CREATED],
+            ],
+            self::ADMIN_STATUS_AWAITING_PAYMENT => [
+                'name' => 'Esperando pago',
+                'statuses' => [self::STATUS_PENDING_PAYMENT, self::STATUS_IN_REVIEW],
+            ],
+            self::ADMIN_STATUS_CONFIRMED => [
+                'name' => 'Confirmado',
+                'statuses' => [self::STATUS_PAID],
+            ],
+            self::ADMIN_STATUS_CANCELLED => [
+                'name' => 'Anulado',
+                'statuses' => [
+                    self::STATUS_CANCELLED,
+                    self::STATUS_REJECTED,
+                    self::STATUS_EXPIRED,
+                    self::STATUS_SUPERSEDED,
+                ],
+            ],
+        ];
+    }
+
+    /** @return list<string> */
+    public static function adminStatusCodes(): array
+    {
+        return array_keys(self::adminStatuses());
+    }
+
+    /** @return list<string> */
+    public static function realStatusesForAdminStatus(string $adminStatus): array
+    {
+        return self::adminStatuses()[$adminStatus]['statuses'] ?? [];
+    }
+
+    public static function adminStatusFor(string $realStatus): ?string
+    {
+        foreach (self::adminStatuses() as $adminStatus => $definition) {
+            if (in_array($realStatus, $definition['statuses'], true)) {
+                return $adminStatus;
+            }
+        }
+
+        return null;
+    }
+
+    public static function adminStatusNameFor(string $realStatus): ?string
+    {
+        $adminStatus = self::adminStatusFor($realStatus);
+
+        return $adminStatus === null
+            ? null
+            : self::adminStatuses()[$adminStatus]['name'];
+    }
+
+    protected $table = 'compras';
+
+    /** @var array<int, string> */
+    protected array $loggedAttributes = [
+        'status',
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'cart_id' => 'integer',
+            'stock_reservation_id' => 'integer',
+            'user_id' => 'integer',
+            'total' => 'decimal:2',
+        ];
+    }
+
+    /**
+     * @return BelongsTo<Tenant, $this>
+     */
+    public function tenant(): BelongsTo
+    {
+        return $this->belongsTo(Tenant::class, 'tenant_codigo', 'codigo');
+    }
+
+    /**
+     * @return BelongsTo<User, $this>
+     */
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+
+    /**
+     * @return BelongsTo<Cart, $this>
+     */
+    public function cart(): BelongsTo
+    {
+        return $this->belongsTo(Cart::class, 'cart_id');
+    }
+
+    /**
+     * @return HasMany<PurchaseItem, $this>
+     */
+    public function items(): HasMany
+    {
+        return $this->hasMany(PurchaseItem::class, 'compra_id');
+    }
+
+    /** @return HasManyThrough<Ticket, PurchaseItem, $this> */
+    public function tickets(): HasManyThrough
+    {
+        return $this->hasManyThrough(
+            Ticket::class,
+            PurchaseItem::class,
+            'compra_id',
+            'source_purchase_item_id',
+        );
+    }
+
+    /** @return BelongsTo<StockReservation, $this> */
+    public function stockReservation(): BelongsTo
+    {
+        return $this->belongsTo(StockReservation::class);
+    }
+
+    /**
+     * @return HasOne<TelepagosQr, $this>
+     */
+    public function telepagosQr()
+    {
+        return $this->hasOne(TelepagosQr::class, 'compra_id');
+    }
+
+    /**
+     * @return HasMany<TelepagosPayment, $this>
+     */
+    public function telepagosPayments(): HasMany
+    {
+        return $this->hasMany(TelepagosPayment::class, 'compra_id');
+    }
+
+    /** @return HasMany<TelepagosPaymentCandidate, $this> */
+    public function telepagosPaymentCandidates(): HasMany
+    {
+        return $this->hasMany(TelepagosPaymentCandidate::class, 'compra_id');
+    }
+
+    public function getTotalAmount(): float
+    {
+        if ($this->total !== null) {
+            return (float) $this->total;
+        }
+
+        return $this->calculateCurrentTotalAmount();
+    }
+
+    public function calculateCurrentTotalAmount(): float
+    {
+        if ($this->relationLoaded('items') && $this->getRelation('items')->isNotEmpty()) {
+            return (float) $this->getRelation('items')->sum('total');
+        }
+
+        return (float) $this->items()->sum('total');
+    }
+
+    protected function valueChangeTenantCode(): string
+    {
+        return $this->tenant_codigo;
+    }
+
+    public function markAsPendingPayment(): void
+    {
+        $this->update([
+            'status' => self::STATUS_PENDING_PAYMENT,
+        ]);
+    }
+
+    public function markAsPaid(): void
+    {
+        DB::transaction(function (): void {
+            $currentStatus = self::query()
+                ->whereKey($this->getKey())
+                ->lockForUpdate()
+                ->value('status');
+
+            if ($currentStatus === self::STATUS_PAID) {
+                $this->status = self::STATUS_PAID;
+
+                return;
+            }
+
+            $this->update([
+                'status' => self::STATUS_PAID,
+            ]);
+
+            PurchasePaid::dispatch($this->getKey());
+        });
+    }
+}

app/Domains/Commerce/Purchase/Models/PurchaseItem.php

@@ -0,0 +1,91 @@
+<?php
+
+namespace App\Domains\Purchase\Models;
+
+use App\Domains\Attachable\Models\Attachment;
+use App\Domains\Catalog\Models\CatalogItem;
+use App\Domains\Catalog\Models\Variant;
+use App\Domains\Ticket\Models\Ticket;
+use App\Domains\Ticket\Models\TicketRefund;
+use Illuminate\Database\Eloquent\Attributes\Fillable;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+#[Fillable([
+    'compra_id',
+    'source_catalog_item_id',
+    'source_variant_id',
+    'image_attachment_id',
+    'nombre',
+    'descripcion',
+    'slug',
+    'item_nombre',
+    'variant_attributes',
+    'cantidad',
+    'precio_unitario',
+    'discount_total',
+    'tax_total',
+    'total',
+])]
+class PurchaseItem extends Model
+{
+    use HasFactory;
+
+    protected $table = 'compra_items';
+
+    protected function casts(): array
+    {
+        return [
+            'compra_id' => 'integer',
+            'source_catalog_item_id' => 'integer',
+            'source_variant_id' => 'integer',
+            'image_attachment_id' => 'integer',
+            'variant_attributes' => 'array',
+            'cantidad' => 'integer',
+            'precio_unitario' => 'decimal:2',
+            'discount_total' => 'decimal:2',
+            'tax_total' => 'decimal:2',
+            'total' => 'decimal:2',
+        ];
+    }
+
+    /**
+     * @return BelongsTo<Purchase, $this>
+     */
+    public function purchase(): BelongsTo
+    {
+        return $this->belongsTo(Purchase::class, 'compra_id');
+    }
+
+    /** @return HasMany<Ticket, $this> */
+    public function tickets(): HasMany
+    {
+        return $this->hasMany(Ticket::class, 'source_purchase_item_id');
+    }
+
+    /** @return HasMany<TicketRefund, $this> */
+    public function ticketRefunds(): HasMany
+    {
+        return $this->hasMany(TicketRefund::class);
+    }
+
+    /** @return BelongsTo<Attachment, $this> */
+    public function imageAttachment(): BelongsTo
+    {
+        return $this->belongsTo(Attachment::class, 'image_attachment_id');
+    }
+
+    /** @return BelongsTo<CatalogItem, $this> */
+    public function sourceCatalogItem(): BelongsTo
+    {
+        return $this->belongsTo(CatalogItem::class, 'source_catalog_item_id')->withTrashed();
+    }
+
+    /** @return BelongsTo<Variant, $this> */
+    public function sourceVariant(): BelongsTo
+    {
+        return $this->belongsTo(Variant::class, 'source_variant_id')->withTrashed();
+    }
+}

app/Domains/Commerce/Purchase/Models/TelepagosPayment.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace App\Domains\Purchase\Models;
+
+use Illuminate\Database\Eloquent\Attributes\Fillable;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+#[Fillable([
+    'compra_id',
+    'cuit_buyer',
+    'cvu_buyer',
+    'amount',
+    'concept',
+    'operation',
+    'operation_id',
+    'transaction_id',
+    'qr_order_id',
+    'link_id',
+])]
+class TelepagosPayment extends Model
+{
+    use HasFactory;
+
+    protected $table = 'telepagos_payments';
+
+    protected function casts(): array
+    {
+        return [
+            'compra_id' => 'integer',
+            'amount' => 'decimal:2',
+        ];
+    }
+
+    /**
+     * @return BelongsTo<Purchase, $this>
+     */
+    public function compra(): BelongsTo
+    {
+        return $this->belongsTo(Purchase::class, 'compra_id');
+    }
+
+    /** @return HasMany<TelepagosPaymentCandidate, $this> */
+    public function candidates(): HasMany
+    {
+        return $this->hasMany(TelepagosPaymentCandidate::class, 'telepagos_payment_id');
+    }
+}

app/Domains/Commerce/Purchase/Models/TelepagosPaymentCandidate.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace App\Domains\Purchase\Models;
+
+use Illuminate\Database\Eloquent\Attributes\Fillable;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+#[Fillable([
+    'telepagos_payment_id',
+    'compra_id',
+    'dni_matches',
+    'dni_distance',
+    'payment_dni',
+    'purchase_dni',
+    'amount_matches',
+    'payment_amount',
+    'purchase_amount',
+    'amount_difference',
+    'match_reason',
+    'confidence',
+])]
+class TelepagosPaymentCandidate extends Model
+{
+    protected $table = 'telepagos_payment_candidates';
+
+    protected function casts(): array
+    {
+        return [
+            'telepagos_payment_id' => 'integer',
+            'compra_id' => 'integer',
+            'dni_matches' => 'boolean',
+            'dni_distance' => 'integer',
+            'amount_matches' => 'boolean',
+            'payment_amount' => 'decimal:2',
+            'purchase_amount' => 'decimal:2',
+            'amount_difference' => 'decimal:2',
+        ];
+    }
+
+    public function payment(): BelongsTo
+    {
+        return $this->belongsTo(TelepagosPayment::class, 'telepagos_payment_id');
+    }
+
+    public function purchase(): BelongsTo
+    {
+        return $this->belongsTo(Purchase::class, 'compra_id');
+    }
+}

app/Domains/Commerce/Purchase/Models/TelepagosQr.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace App\Domains\Purchase\Models;
+
+use Illuminate\Database\Eloquent\Attributes\Fillable;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+#[Fillable([
+    'compra_id',
+    'qr_order_id',
+    'qr_code',
+])]
+class TelepagosQr extends Model
+{
+    use HasFactory;
+
+    protected $table = 'telepagos_qr';
+
+    protected function casts(): array
+    {
+        return [
+            'compra_id' => 'integer',
+        ];
+    }
+
+    /**
+     * @return BelongsTo<Purchase, $this>
+     */
+    public function compra(): BelongsTo
+    {
+        return $this->belongsTo(Purchase::class, 'compra_id');
+    }
+}

app/Domains/Commerce/Purchase/Requests/PaymentIntentRequest.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace App\Domains\Purchase\Requests;
+
+use Illuminate\Foundation\Http\FormRequest;
+use Illuminate\Validation\Rule;
+
+class PaymentIntentRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return $this->user() !== null;
+    }
+
+    /**
+     * @return array<string, mixed>
+     */
+    public function rules(): array
+    {
+        return [
+            'method' => ['required', 'string', Rule::in(['qr', 'transfer'])],
+            'transfer_payer_dni' => [
+                Rule::requiredIf(fn (): bool => $this->input('method') === 'transfer'),
+                'string',
+                'regex:/^\d{7,8}$/',
+            ],
+        ];
+    }
+}

app/Domains/Commerce/Purchase/Requests/StartCheckoutRequest.php

@@ -0,0 +1,43 @@
+<?php
+
+namespace App\Domains\Purchase\Requests;
+
+use Illuminate\Foundation\Http\FormRequest;
+use Illuminate\Validation\Rule;
+
+class StartCheckoutRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return $this->user() !== null;
+    }
+
+    /**
+     * @return array<string, mixed>
+     */
+    public function rules(): array
+    {
+        return [
+            'cart_id' => [
+                'required_without:direct_items',
+                Rule::prohibitedIf(fn (): bool => $this->has('direct_items')),
+                'integer',
+                'exists:carritos,id',
+            ],
+            'direct_items' => [
+                'required_without:cart_id',
+                Rule::prohibitedIf(fn (): bool => $this->has('cart_id')),
+                'array',
+                'min:1',
+            ],
+            'direct_items.*' => ['required', 'array'],
+            'direct_items.*.catalog_item_id' => ['required', 'integer'],
+            'direct_items.*.variant_id' => ['nullable', 'integer'],
+            'direct_items.*.cantidad' => ['required', 'integer', 'min:1'],
+            'dni' => ['prohibited'],
+            'telefono' => ['prohibited'],
+            'nombre_apellido' => ['prohibited'],
+            'email' => ['prohibited'],
+        ];
+    }
+}

app/Domains/Commerce/Purchase/Requests/UpdatePurchaseCustomerRequest.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace App\Domains\Purchase\Requests;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class UpdatePurchaseCustomerRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return $this->user() !== null;
+    }
+
+    /**
+     * @return array<string, mixed>
+     */
+    public function rules(): array
+    {
+        return [
+            'dni' => ['required', 'string'],
+            'telefono' => ['required', 'string'],
+            'nombre_apellido' => ['required', 'string'],
+            'email' => ['required', 'string', 'email'],
+        ];
+    }
+}

app/Domains/Commerce/Purchase/Resources/PurchaseItemResource.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace App\Domains\Purchase\Resources;
+
+use App\Domains\Purchase\Models\PurchaseItem;
+use App\Domains\Tenant\Models\Tenant;
+use Illuminate\Http\Request;
+use Illuminate\Http\Resources\Json\JsonResource;
+
+/** @mixin PurchaseItem */
+class PurchaseItemResource extends JsonResource
+{
+    /** @return array<string, mixed> */
+    public function toArray(Request $request): array
+    {
+        $tenant = $request->route('tenant');
+        $displayImage = ! $tenant instanceof Tenant || $tenant->display_cart_item_images;
+
+        $imageUrl = $displayImage
+            ? $this->imageAttachment?->getTemporaryUrl(1440)
+            : null;
+
+        return [
+            'id' => $this->id,
+            'quantity' => (int) $this->cantidad,
+            'unit_price' => $this->formatMoney($this->precio_unitario),
+            'line_total' => $this->formatMoney($this->total),
+            'source_catalog_item_id' => $this->source_catalog_item_id,
+            'source_variant_id' => $this->source_variant_id,
+            'item_details' => [
+                'nombre' => $this->item_nombre,
+                'descripcion' => $this->descripcion,
+                'slug' => $this->slug,
+                'imagen' => $imageUrl,
+                'attributes' => $this->variant_attributes ?? [],
+            ],
+        ];
+    }
+
+    private function formatMoney(float|int|string|null $amount): string
+    {
+        return number_format((float) ($amount ?? 0), 2, '.', '');
+    }
+}

app/Domains/Commerce/Purchase/Resources/PurchaseResource.php

@@ -0,0 +1,160 @@
+<?php
+
+namespace App\Domains\Purchase\Resources;
+
+use App\Domains\Purchase\Models\Purchase;
+use App\Domains\Purchase\Models\PurchaseItem;
+use App\Domains\Purchase\Models\TelepagosPaymentCandidate;
+use Illuminate\Http\Request;
+use Illuminate\Http\Resources\Json\JsonResource;
+
+/**
+ * @mixin Purchase
+ */
+class PurchaseResource extends JsonResource
+{
+    /**
+     * @return array<string, mixed>
+     */
+    public function toArray(Request $request): array
+    {
+        $serverTime = now();
+        $expiresAt = $this->stockReservation?->expires_at;
+        $items = $this->resource->relationLoaded('items')
+            ? $this->resource->getRelation('items')
+            : collect();
+        $ticketsCount = array_key_exists('tickets_count', $this->resource->getAttributes())
+            ? (int) $this->resource->getAttribute('tickets_count')
+            : null;
+        $paymentVerification = $this->resolvePaymentVerification();
+
+        $subtotal = $items->isNotEmpty()
+            ? $items->reduce(
+                fn (float $carry, PurchaseItem $item): float => $carry + $this->resolveItemSubtotal($item),
+                0.0,
+            )
+            : (float) ($this->total ?? 0);
+
+        $total = $this->status === Purchase::STATUS_PAID && $this->total !== null
+            ? (float) $this->total
+            : ($items->isNotEmpty()
+                ? $items->reduce(
+                    fn (float $carry, PurchaseItem $item): float => $carry + $this->resolveItemTotal($item),
+                    0.0,
+                )
+                : (float) ($this->total ?? 0));
+
+        return [
+            'id' => $this->id,
+            'cart_id' => $this->cart_id,
+            'tenant_codigo' => $this->tenant_codigo,
+            'user_id' => $this->user_id,
+            'created_at' => $this->created_at,
+            'status' => $this->status,
+            'payment_method' => $this->payment_method,
+            'expires_at' => $expiresAt,
+            'expires_in_seconds' => $expiresAt === null
+                ? null
+                : max(0, $expiresAt->getTimestamp() - $serverTime->getTimestamp()),
+            'server_time' => $serverTime,
+            'dni' => $this->dni,
+            'transfer_payer_dni' => $this->transfer_payer_dni,
+            'telefono' => $this->telefono,
+            'nombre_apellido' => $this->nombre_apellido,
+            'email' => $this->email,
+            'items_source' => $items->isNotEmpty() ? 'purchase' : null,
+            'items' => PurchaseItemResource::collection($items),
+            'tickets_count' => $this->when($ticketsCount !== null, $ticketsCount),
+            'has_generated_tickets' => $this->when($ticketsCount !== null, $ticketsCount > 0),
+            'payment_verification' => $this->when($paymentVerification !== null, $paymentVerification),
+            'subtotal' => $this->formatMoney($subtotal),
+            'total' => $this->formatMoney($total),
+        ];
+    }
+
+    protected function resolveItemSubtotal(PurchaseItem $item): float
+    {
+        return (float) $item->precio_unitario * $item->cantidad;
+    }
+
+    protected function resolveItemTotal(PurchaseItem $item): float
+    {
+        return (float) ($item->total ?? 0);
+    }
+
+    protected function formatMoney(float|int|string|null $amount): string
+    {
+        return number_format((float) ($amount ?? 0), 2, '.', '');
+    }
+
+    /** @return array<string, mixed>|null */
+    private function resolvePaymentVerification(): ?array
+    {
+        if (
+            $this->status !== Purchase::STATUS_IN_REVIEW
+            || $this->payment_method !== 'transfer'
+            || ! $this->resource->relationLoaded('telepagosPaymentCandidates')
+        ) {
+            return null;
+        }
+
+        $candidates = $this->resource
+            ->getRelation('telepagosPaymentCandidates')
+            ->sort(fn (TelepagosPaymentCandidate $left, TelepagosPaymentCandidate $right): int => $this->comparePaymentCandidates($left, $right))
+            ->values();
+        /** @var TelepagosPaymentCandidate|null $primary */
+        $primary = $candidates->first();
+
+        return [
+            'status' => $primary === null ? 'pending' : 'candidate',
+            'candidate_count' => $candidates->count(),
+            'primary' => $primary === null ? null : [
+                'reason' => $primary->match_reason,
+                'dni_distance' => $primary->dni_distance,
+                'payment_amount' => $this->formatMoney($primary->payment_amount),
+                'purchase_amount' => $this->formatMoney($primary->purchase_amount),
+                'amount_difference' => $this->formatMoney($primary->amount_difference),
+                'confidence' => $primary->confidence,
+                'detected_at' => $primary->payment?->created_at?->toIso8601String(),
+            ],
+            'reasons' => $candidates
+                ->pluck('match_reason')
+                ->unique()
+                ->values()
+                ->all(),
+        ];
+    }
+
+    private function comparePaymentCandidates(
+        TelepagosPaymentCandidate $left,
+        TelepagosPaymentCandidate $right,
+    ): int {
+        $reasonComparison = $this->paymentCandidateRank($left->match_reason)
+            <=> $this->paymentCandidateRank($right->match_reason);
+
+        if ($reasonComparison !== 0) {
+            return $reasonComparison;
+        }
+
+        $differenceComparison = (float) $left->amount_difference <=> (float) $right->amount_difference;
+
+        if ($differenceComparison !== 0) {
+            return $differenceComparison;
+        }
+
+        $leftTimestamp = $left->payment?->created_at?->getTimestamp() ?? 0;
+        $rightTimestamp = $right->payment?->created_at?->getTimestamp() ?? 0;
+
+        return ($rightTimestamp <=> $leftTimestamp) ?: ($right->id <=> $left->id);
+    }
+
+    private function paymentCandidateRank(string $reason): int
+    {
+        return match ($reason) {
+            'ambiguous_exact_match' => 0,
+            'exact_dni_near_amount' => 1,
+            'exact_amount_near_dni' => 2,
+            default => 3,
+        };
+    }
+}

app/Domains/Commerce/Purchase/Services/Checkout/CatalogSelectionResolver.php

@@ -0,0 +1,98 @@
+<?php
+
+namespace App\Domains\Purchase\Services\Checkout;
+
+use App\Domains\Catalog\Models\CatalogItem;
+use App\Domains\Catalog\Models\Inventory;
+use App\Domains\Catalog\Models\Variant;
+use App\Domains\Tenant\Models\Tenant;
+use Illuminate\Validation\ValidationException;
+use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
+
+class CatalogSelectionResolver
+{
+    public function resolve(
+        Tenant $tenant,
+        int $catalogItemId,
+        ?int $variantId,
+        string $fieldPrefix = 'direct_items',
+    ): CatalogItem|Variant {
+        /** @var CatalogItem|null $catalogItem */
+        $catalogItem = CatalogItem::query()
+            ->whereKey($catalogItemId)
+            ->where('tenant_code', $tenant->codigo)
+            ->lockForUpdate()
+            ->first();
+
+        if ($catalogItem === null) {
+            throw new NotFoundHttpException('Catalog item not found for tenant.');
+        }
+
+        if ($catalogItem->isBundle()) {
+            if ($variantId !== null) {
+                throw ValidationException::withMessages([
+                    "{$fieldPrefix}.variant_id" => __('api.cart.bundle_variant_forbidden'),
+                ]);
+            }
+
+            if (! $catalogItem->bundleComponents()->exists()) {
+                throw ValidationException::withMessages([
+                    "{$fieldPrefix}.catalog_item_id" => __('api.cart.empty_bundle'),
+                ]);
+            }
+
+            if ($catalogItem->bundleComponents()
+                ->whereNotNull('component_variant_id')
+                ->whereHas('variant', fn ($query) => $query
+                    ->whereNotNull('sales_disabled_at')
+                    ->orWhereNotNull('replaced_by_variant_id'))
+                ->exists()) {
+                throw ValidationException::withMessages([
+                    "{$fieldPrefix}.catalog_item_id" => [__('api.cart.bundle_component_unavailable')],
+                ]);
+            }
+
+            return $catalogItem;
+        }
+
+        if ($variantId === null) {
+            if ($catalogItem->inventory_id === null) {
+                throw ValidationException::withMessages([
+                    "{$fieldPrefix}.variant_id" => __('api.cart.variant_required'),
+                ]);
+            }
+
+            $catalogItem->setRelation(
+                'inventory',
+                Inventory::query()->whereKey($catalogItem->inventory_id)->lockForUpdate()->firstOrFail(),
+            );
+
+            return $catalogItem;
+        }
+
+        /** @var Variant|null $variant */
+        $variant = Variant::query()
+            ->whereKey($variantId)
+            ->where('catalog_item_id', $catalogItem->id)
+            ->lockForUpdate()
+            ->first();
+
+        if ($variant === null) {
+            throw new NotFoundHttpException('Variant not found for catalog item.');
+        }
+
+        if (! $variant->isSellable()) {
+            throw ValidationException::withMessages([
+                "{$fieldPrefix}.variant_id" => [__('api.cart.variant_unavailable')],
+            ]);
+        }
+
+        $variant->setRelation('catalogItem', $catalogItem);
+        $variant->setRelation(
+            'inventory',
+            Inventory::query()->whereKey($variant->inventory_id)->lockForUpdate()->firstOrFail(),
+        );
+
+        return $variant;
+    }
+}

app/Domains/Commerce/Purchase/Services/Checkout/CompleteCheckoutService.php

@@ -0,0 +1,216 @@
+<?php
+
+namespace App\Domains\Purchase\Services\Checkout;
+
+use App\Domains\Cart\Models\CartItem;
+use App\Domains\Catalog\Services\StockReservationService;
+use App\Domains\Purchase\Models\Purchase;
+use App\Domains\Purchase\Services\PurchaseStateGuard;
+use Illuminate\Support\Collection;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Validation\ValidationException;
+
+class CompleteCheckoutService
+{
+    public function __construct(
+        private readonly StockReservationService $reservations,
+        private readonly SourceCartService $sourceCart,
+        private readonly PurchaseStateGuard $purchaseState,
+    ) {}
+
+    public function complete(Purchase $purchase): Purchase
+    {
+        return DB::transaction(function () use ($purchase): Purchase {
+            $purchase = $this->lockPurchase($purchase);
+            $this->purchaseState->assertNotExpired($purchase);
+
+            if ($purchase->payment_method === null) {
+                throw ValidationException::withMessages([
+                    'payment_method' => __('api.purchase.payment_method_required'),
+                ]);
+            }
+
+            if ($this->isTerminal($purchase)) {
+                return $this->loadPurchase($purchase);
+            }
+
+            $this->purchaseState->lockCurrentCart($purchase);
+
+            $purchase->update([
+                'status' => Purchase::STATUS_PENDING_PAYMENT,
+                'total' => $purchase->calculateCurrentTotalAmount(),
+            ]);
+
+            return $this->loadPurchase($purchase);
+        });
+    }
+
+    public function submitForReview(Purchase $purchase): Purchase
+    {
+        return DB::transaction(function () use ($purchase): Purchase {
+            $purchase = $this->lockPurchase($purchase);
+            $this->purchaseState->assertNotExpired($purchase);
+
+            if ($purchase->status === Purchase::STATUS_PAID) {
+                return $this->loadPurchase($purchase);
+            }
+
+            if ($purchase->status === Purchase::STATUS_IN_REVIEW) {
+                return $this->loadPurchase($purchase);
+            }
+
+            $this->purchaseState->lockCurrentCart($purchase);
+
+            if ($purchase->status !== Purchase::STATUS_PENDING_PAYMENT) {
+                throw ValidationException::withMessages([
+                    'purchase' => __('api.purchase.not_available_for_review'),
+                ]);
+            }
+
+            $purchase->update([
+                'status' => Purchase::STATUS_IN_REVIEW,
+            ]);
+            $this->reservations->clearExpirationForReview($purchase);
+
+            return $this->loadPurchase($purchase);
+        });
+    }
+
+    public function confirm(Purchase $purchase): void
+    {
+        DB::transaction(function () use ($purchase): void {
+            $purchase = $this->lockPurchase($purchase);
+            $this->purchaseState->assertNotExpired($purchase);
+
+            if ($purchase->status === Purchase::STATUS_PAID) {
+                return;
+            }
+
+            if (in_array($purchase->status, [
+                Purchase::STATUS_CANCELLED,
+                Purchase::STATUS_REJECTED,
+                Purchase::STATUS_EXPIRED,
+                Purchase::STATUS_SUPERSEDED,
+            ], true)) {
+                throw ValidationException::withMessages([
+                    'purchase' => __('api.purchase.cannot_confirm'),
+                ]);
+            }
+
+            if (! $purchase->items()->exists()) {
+                throw ValidationException::withMessages([
+                    'items' => __('api.purchase.inconsistent_reservation'),
+                ]);
+            }
+
+            $cart = $this->purchaseState->lockCurrentCart($purchase);
+
+            if ($cart->status === 'converted' && $cart->trashed()) {
+                return;
+            }
+
+            if (! in_array($cart->status, ['active', 'checkout'], true)) {
+                throw ValidationException::withMessages([
+                    'items' => __('api.purchase.inconsistent_reservation'),
+                ]);
+            }
+
+            $cartItems = $cart->items()->orderBy('id')->lockForUpdate()->get();
+            if ($cartItems->isEmpty()) {
+                throw ValidationException::withMessages([
+                    'items' => __('api.purchase.inconsistent_reservation'),
+                ]);
+            }
+
+            $snapshotQuantities = $purchase->items()
+                ->lockForUpdate()
+                ->get(['source_catalog_item_id', 'source_variant_id', 'cantidad'])
+                ->groupBy(fn ($item): string => $this->itemKey(
+                    (int) $item->source_catalog_item_id,
+                    $item->source_variant_id === null ? null : (int) $item->source_variant_id,
+                ))
+                ->map(fn (Collection $items): int => (int) $items->sum('cantidad'))
+                ->sortKeys()
+                ->all();
+            $cartQuantities = $cartItems
+                ->groupBy(fn (CartItem $item): string => $this->itemKey(
+                    (int) $item->catalog_item_id,
+                    $item->variant_id === null ? null : (int) $item->variant_id,
+                ))
+                ->map(fn (Collection $items): int => (int) $items->sum('cantidad'))
+                ->sortKeys()
+                ->all();
+
+            if ($snapshotQuantities !== $cartQuantities) {
+                throw ValidationException::withMessages([
+                    'items' => __('api.purchase.inconsistent_reservation'),
+                ]);
+            }
+
+            $this->loadCartItems($cartItems);
+
+            foreach ($cartItems as $cartItem) {
+                $selection = $cartItem->selectedItem();
+                if ($selection === null) {
+                    throw ValidationException::withMessages([
+                        'items' => __('api.purchase.inconsistent_reservation'),
+                    ]);
+                }
+
+            }
+
+            try {
+                $this->reservations->commit($purchase);
+            } catch (\InvalidArgumentException) {
+                throw ValidationException::withMessages([
+                    'items' => __('api.purchase.inconsistent_reservation'),
+                ]);
+            }
+
+            $this->sourceCart->finalize($purchase);
+        });
+    }
+
+    private function isTerminal(Purchase $purchase): bool
+    {
+        return in_array($purchase->status, [
+            Purchase::STATUS_PAID,
+            Purchase::STATUS_IN_REVIEW,
+            Purchase::STATUS_CANCELLED,
+            Purchase::STATUS_REJECTED,
+            Purchase::STATUS_EXPIRED,
+            Purchase::STATUS_SUPERSEDED,
+        ], true);
+    }
+
+    private function lockPurchase(Purchase $purchase): Purchase
+    {
+        /** @var Purchase */
+        return Purchase::query()->lockForUpdate()->findOrFail($purchase->getKey());
+    }
+
+    private function loadPurchase(Purchase $purchase): Purchase
+    {
+        return $purchase->load(['items.imageAttachment', 'stockReservation']);
+    }
+
+    private function itemKey(int $catalogItemId, ?int $variantId): string
+    {
+        return $catalogItemId.':'.($variantId ?? 'none');
+    }
+
+    /** @param Collection<int, CartItem> $cartItems */
+    private function loadCartItems(Collection $cartItems): void
+    {
+        $cartItems->load([
+            'catalogItem.inventory',
+            'catalogItem.attachments',
+            'variant.inventory',
+            'variant.attachments',
+            'variant.catalogItem',
+            'variant.definitions.itemAttribute.attribute',
+            'variant.eventDates',
+            'variant.eventDate',
+        ]);
+    }
+}

app/Domains/Commerce/Purchase/Services/Checkout/EditCheckoutService.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace App\Domains\Purchase\Services\Checkout;
+
+use App\Domains\Purchase\Models\Purchase;
+use App\Domains\Purchase\Services\PurchaseStateGuard;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Validation\ValidationException;
+
+class EditCheckoutService
+{
+    public function __construct(
+        private readonly PurchaseResponseLoader $responses,
+        private readonly PurchaseStateGuard $purchaseState,
+    ) {}
+
+    /** @param array<string, string> $customerData */
+    public function updateCustomer(Purchase $purchase, array $customerData): Purchase
+    {
+        return DB::transaction(function () use ($purchase, $customerData): Purchase {
+            /** @var Purchase $purchase */
+            $purchase = Purchase::query()->lockForUpdate()->findOrFail($purchase->getKey());
+            $this->purchaseState->assertNotExpired($purchase);
+
+            if (! in_array($purchase->status, [
+                Purchase::STATUS_CREATED,
+                Purchase::STATUS_PENDING_PAYMENT,
+            ], true)) {
+                throw ValidationException::withMessages([
+                    'purchase' => __('api.purchase.not_editable'),
+                ]);
+            }
+
+            $this->purchaseState->lockCurrentCart($purchase);
+
+            $purchase->update($customerData);
+
+            return $this->responses->load($purchase);
+        });
+    }
+}

app/Domains/Commerce/Purchase/Services/Checkout/InsufficientStockMessageBuilder.php

@@ -0,0 +1,43 @@
+<?php
+
+namespace App\Domains\Purchase\Services\Checkout;
+
+use App\Domains\Catalog\Enums\InventorySubject;
+use App\Domains\Catalog\Models\CatalogItem;
+use App\Domains\Catalog\Models\Variant;
+
+class InsufficientStockMessageBuilder
+{
+    public function build(
+        CatalogItem $catalogItem,
+        CatalogItem|Variant $selection,
+        int $availableQuantity,
+    ): string {
+        return match ($catalogItem->inventory_subject) {
+            InventorySubject::Seat => __('api.purchase.stock.seat_unavailable', [
+                'selection' => $selection->getSelectionLabel(),
+            ]),
+            InventorySubject::Ticket => __('api.purchase.stock.ticket_unavailable', [
+                'selection' => $selection->getSelectionLabel(),
+            ]),
+            InventorySubject::Product => __('api.purchase.stock.product_unavailable', [
+                'selection' => $this->productSelectionLabel($catalogItem, $selection),
+                'max' => $availableQuantity,
+            ]),
+        };
+    }
+
+    private function productSelectionLabel(
+        CatalogItem $catalogItem,
+        CatalogItem|Variant $selection,
+    ): string {
+        if ($selection instanceof CatalogItem) {
+            return $selection->getSelectionLabel();
+        }
+
+        return __('api.purchase.stock.product_selection', [
+            'product' => $catalogItem->getName(),
+            'selection' => $selection->getSelectionLabel(),
+        ]);
+    }
+}

app/Domains/Commerce/Purchase/Services/Checkout/PurchaseItemSnapshotFactory.php

@@ -0,0 +1,83 @@
+<?php
+
+namespace App\Domains\Purchase\Services\Checkout;
+
+use App\Domains\Attachable\Models\Attachment;
+use App\Domains\Cart\Models\CartItem;
+use App\Domains\Catalog\Models\Variant;
+use Illuminate\Support\Collection;
+
+class PurchaseItemSnapshotFactory
+{
+    /**
+     * @param  Collection<int, CartItem>  $cartItems
+     * @return array<int, array<string, mixed>>
+     */
+    public function fromCartItems(Collection $cartItems): array
+    {
+        return $cartItems
+            ->map(function (CartItem $item): array {
+                $selectedItem = $item->selectedItem();
+                $quantity = (int) $item->cantidad;
+                $unitPrice = $selectedItem?->getPrice() ?? 0;
+
+                return [
+                    'source_catalog_item_id' => $item->catalog_item_id,
+                    'source_variant_id' => $item->variant_id,
+                    'image_attachment_id' => $this->firstImageAttachment($item)?->id,
+                    'nombre' => $item->catalogItem->nombre,
+                    'descripcion' => $selectedItem?->getDescription(),
+                    'slug' => $item->catalogItem->slug,
+                    'item_nombre' => $selectedItem->getName(),
+                    'variant_attributes' => $item->variant === null
+                        ? []
+                        : $this->snapshotAttributes($item->variant),
+                    'cantidad' => $quantity,
+                    'precio_unitario' => $unitPrice,
+                    'discount_total' => null,
+                    'tax_total' => null,
+                    'total' => $unitPrice * $quantity,
+                ];
+            })
+            ->all();
+    }
+
+    private function firstImageAttachment(CartItem $item): ?Attachment
+    {
+        return $item->variant?->attachments->first()
+            ?? $item->catalogItem?->attachments->first();
+    }
+
+    /** @return array<int, array{name: string, value: mixed}> */
+    private function snapshotAttributes(Variant $variant): array
+    {
+        $attributes = $variant->definitions
+            ->groupBy('item_attribute_id')
+            ->map(function ($definitions): array {
+                $itemAttribute = $definitions->first()?->itemAttribute;
+                $values = $definitions->pluck('value')->values();
+
+                return [
+                    'name' => (string) ($itemAttribute?->attribute?->nombre ?? ''),
+                    'value' => $itemAttribute?->allow_multi_select
+                        ? $values->all()
+                        : $values->first(),
+                ];
+            })
+            ->filter(fn (array $attribute): bool => $attribute['name'] !== '' || $attribute['value'] !== null)
+            ->values();
+
+        $eventDates = $variant->selectedEventDates();
+        if ($eventDates->isNotEmpty()) {
+            $attributes->prepend([
+                'name' => 'Fecha',
+                'value' => $eventDates
+                    ->map(fn ($eventDate): string => $eventDate->date->format('Y-m-d'))
+                    ->values()
+                    ->all(),
+            ]);
+        }
+
+        return $attributes->all();
+    }
+}

app/Domains/Commerce/Purchase/Services/Checkout/PurchaseResponseLoader.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace App\Domains\Purchase\Services\Checkout;
+
+use App\Domains\Purchase\Models\Purchase;
+
+class PurchaseResponseLoader
+{
+    public function load(Purchase $purchase): Purchase
+    {
+        $relations = ['tenant', 'items.imageAttachment', 'stockReservation'];
+
+        if (
+            $purchase->status === Purchase::STATUS_IN_REVIEW
+            && $purchase->payment_method === 'transfer'
+        ) {
+            $relations[] = 'telepagosPaymentCandidates.payment';
+        }
+
+        return $purchase->load($relations);
+    }
+}

app/Domains/Commerce/Purchase/Services/Checkout/ReleaseCheckoutService.php

@@ -0,0 +1,262 @@
+<?php
+
+namespace App\Domains\Purchase\Services\Checkout;
+
+use App\Domains\Cart\Models\Cart;
+use App\Domains\Cart\Models\CartItem;
+use App\Domains\Catalog\Models\StockReservation;
+use App\Domains\Catalog\Services\StockReservationService;
+use App\Domains\Purchase\Exceptions\PurchaseExpiredException;
+use App\Domains\Purchase\Models\Purchase;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Validation\ValidationException;
+
+class ReleaseCheckoutService
+{
+    public function __construct(
+        private readonly StockReservationService $reservations,
+    ) {}
+
+    public function cancel(Purchase $purchase): Purchase
+    {
+        return $this->release($purchase, Purchase::STATUS_CANCELLED);
+    }
+
+    public function cancelFromAdmin(Purchase $purchase): Purchase
+    {
+        return $this->release($purchase, Purchase::STATUS_CANCELLED, allowInReviewCancellation: true);
+    }
+
+    public function expire(Purchase $purchase): Purchase
+    {
+        return $this->release($purchase, Purchase::STATUS_EXPIRED);
+    }
+
+    private function release(
+        Purchase $purchase,
+        string $targetStatus,
+        bool $allowInReviewCancellation = false,
+    ): Purchase {
+        return DB::transaction(function () use (
+            $purchase,
+            $targetStatus,
+            $allowInReviewCancellation,
+        ): Purchase {
+            $purchase = $this->lockPurchase($purchase);
+
+            if ($purchase->status === Purchase::STATUS_EXPIRED
+                && $targetStatus === Purchase::STATUS_CANCELLED) {
+                return $this->loadPurchase($purchase);
+            }
+
+            if ($purchase->status === Purchase::STATUS_EXPIRED
+                && $targetStatus !== Purchase::STATUS_EXPIRED) {
+                throw new PurchaseExpiredException;
+            }
+
+            if ($purchase->status === Purchase::STATUS_PAID) {
+                if ($targetStatus === Purchase::STATUS_EXPIRED) {
+                    return $this->loadPurchase($purchase);
+                }
+
+                throw ValidationException::withMessages([
+                    'purchase' => __('api.purchase.paid_cannot_cancel'),
+                ]);
+            }
+
+            if (
+                $purchase->status === Purchase::STATUS_IN_REVIEW
+                && $targetStatus === Purchase::STATUS_CANCELLED
+                && ! $allowInReviewCancellation
+            ) {
+                return $this->createNewCartWithoutCancelling($purchase);
+            }
+
+            if ($this->isAlreadyReleased($purchase)) {
+                return $this->loadPurchase($purchase);
+            }
+
+            $cart = $purchase->cart()->withTrashed()->lockForUpdate()->first();
+
+            // Leaving checkout is allowed at the exact instant the reservation
+            // expires. Finish the expiration while holding the purchase lock so
+            // the request is idempotent with the scheduled expiration job.
+            if ($targetStatus === Purchase::STATUS_CANCELLED
+                && $this->hasOverdueActiveReservation($purchase)) {
+                $targetStatus = Purchase::STATUS_EXPIRED;
+            }
+
+            if ($targetStatus === Purchase::STATUS_CANCELLED
+                && $cart?->status === 'active'
+                && in_array($purchase->status, [
+                    Purchase::STATUS_CREATED,
+                    Purchase::STATUS_PENDING_PAYMENT,
+                ], true)) {
+                if ($this->hasUnavailableVariants($cart)) {
+                    $this->releasePurchaseReservations($purchase, $targetStatus, $cart);
+                    $cart->update([
+                        'status' => Cart::STATUS_EXPIRED,
+                        'current_purchase_id' => null,
+                        'current_stock_reservation_id' => null,
+                    ]);
+                } else {
+                    $this->reservations->returnToCart($purchase, $cart);
+                }
+                $purchase->update(['status' => Purchase::STATUS_CANCELLED]);
+
+                return $this->loadPurchase($purchase);
+            }
+
+            if (
+                $targetStatus === Purchase::STATUS_EXPIRED
+                && (! in_array($purchase->status, [
+                    Purchase::STATUS_CREATED,
+                    Purchase::STATUS_PENDING_PAYMENT,
+                ], true) || ! $this->hasOverdueActiveReservation($purchase))
+            ) {
+                return $this->loadPurchase($purchase);
+            }
+
+            $this->releasePurchaseReservations($purchase, $targetStatus, $cart);
+
+            $purchase->update(['status' => $targetStatus]);
+
+            return $this->loadPurchase($purchase);
+        });
+    }
+
+    private function hasUnavailableVariants(Cart $cart): bool
+    {
+        return $cart->items()
+            ->whereNotNull('variant_id')
+            ->with(['variant.eventDate', 'variant.eventDates'])
+            ->lockForUpdate()
+            ->get()
+            ->contains(fn (CartItem $item): bool => $item->variant === null
+                || ! $item->variant->isSellable());
+    }
+
+    private function releasePurchaseReservations(
+        Purchase $purchase,
+        string $targetStatus,
+        ?Cart $cart,
+    ): void {
+        try {
+            $this->reservations->releaseForPurchase(
+                $purchase,
+                $targetStatus === Purchase::STATUS_EXPIRED
+                    ? StockReservation::STATUS_EXPIRED
+                    : StockReservation::STATUS_RELEASED,
+                $targetStatus === Purchase::STATUS_CANCELLED
+                    ? StockReservationService::REASON_PURCHASE_CANCELLED
+                    : ($targetStatus === Purchase::STATUS_REJECTED
+                        ? StockReservationService::REASON_PAYMENT_REJECTED
+                        : null),
+            );
+        } catch (\InvalidArgumentException) {
+            throw ValidationException::withMessages([
+                'items' => __('api.purchase.inconsistent_reservation'),
+            ]);
+        }
+
+        if ($cart === null) {
+            return;
+        }
+
+        if ($targetStatus === Purchase::STATUS_EXPIRED
+            && in_array($cart->status, [Cart::STATUS_ACTIVE, Cart::STATUS_CHECKOUT], true)) {
+            Cart::query()
+                ->whereKey($cart->getKey())
+                ->where('current_purchase_id', $purchase->getKey())
+                ->where('current_stock_reservation_id', $purchase->stock_reservation_id)
+                ->update([
+                    'status' => Cart::STATUS_EXPIRED,
+                    'current_purchase_id' => null,
+                ]);
+
+            return;
+        }
+
+        if ($cart->status === Cart::STATUS_ACTIVE) {
+            $cartUpdate = [
+                'current_purchase_id' => null,
+                'current_stock_reservation_id' => null,
+            ];
+
+            Cart::query()
+                ->whereKey($cart->getKey())
+                ->where('current_purchase_id', $purchase->getKey())
+                ->update($cartUpdate);
+
+            return;
+        }
+
+        if ($cart->status !== Cart::STATUS_CHECKOUT) {
+            return;
+        }
+
+        if (! $cart->trashed()) {
+            $cart->update(['status' => Cart::STATUS_CONVERTED]);
+            $cart->delete();
+        }
+    }
+
+    private function createNewCartWithoutCancelling(Purchase $purchase): Purchase
+    {
+        return DB::transaction(function () use ($purchase): Purchase {
+            $purchase = $this->lockPurchase($purchase);
+
+            if ($purchase->status !== Purchase::STATUS_IN_REVIEW || $purchase->user_id === null) {
+                return $this->loadPurchase($purchase);
+            }
+
+            /** @var Cart|null $sourceCart */
+            $sourceCart = $purchase->cart()->withTrashed()->lockForUpdate()->first();
+            if ($sourceCart !== null && ! $sourceCart->trashed() && $sourceCart->status === 'active') {
+                $sourceCart->update(['status' => 'checkout']);
+            }
+
+            Cart::query()->firstOrCreate([
+                'tenant_codigo' => $purchase->tenant_codigo,
+                'user_id' => $purchase->user_id,
+                'guest_token' => null,
+                'status' => 'active',
+                'origin' => Cart::ORIGIN_USER,
+            ]);
+
+            return $this->loadPurchase($purchase);
+        });
+    }
+
+    private function isAlreadyReleased(Purchase $purchase): bool
+    {
+        return in_array($purchase->status, [
+            Purchase::STATUS_CANCELLED,
+            Purchase::STATUS_REJECTED,
+            Purchase::STATUS_EXPIRED,
+            Purchase::STATUS_SUPERSEDED,
+        ], true);
+    }
+
+    private function lockPurchase(Purchase $purchase): Purchase
+    {
+        /** @var Purchase */
+        return Purchase::query()->lockForUpdate()->findOrFail($purchase->getKey());
+    }
+
+    private function loadPurchase(Purchase $purchase): Purchase
+    {
+        return $purchase->load(['items.imageAttachment', 'stockReservation']);
+    }
+
+    private function hasOverdueActiveReservation(Purchase $purchase): bool
+    {
+        /** @var StockReservation|null $reservation */
+        $reservation = $purchase->stockReservation()->lockForUpdate()->first();
+
+        return $reservation !== null
+            && $reservation->status === StockReservation::STATUS_ACTIVE
+            && $reservation->expires_at !== null
+            && ! $reservation->expires_at->isFuture();
+    }
+}

app/Domains/Commerce/Purchase/Services/Checkout/SourceCartService.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace App\Domains\Purchase\Services\Checkout;
+
+use App\Domains\Cart\Models\Cart;
+use App\Domains\Purchase\Models\Purchase;
+
+class SourceCartService
+{
+    public function finalize(Purchase $purchase): void
+    {
+        $sourceCart = $this->findSourceCart($purchase);
+
+        if ($sourceCart === null || $sourceCart->trashed()) {
+            return;
+        }
+
+        $sourceCart->update([
+            'status' => 'converted',
+            'guest_token' => null,
+        ]);
+        $sourceCart->delete();
+    }
+
+    private function findSourceCart(Purchase $purchase): ?Cart
+    {
+        if ($purchase->cart_id === null) {
+            return null;
+        }
+
+        /** @var Cart|null */
+        return Cart::withTrashed()
+            ->whereKey($purchase->cart_id)
+            ->lockForUpdate()
+            ->first();
+    }
+}

app/Domains/Commerce/Purchase/Services/Checkout/StartCheckoutService.php

@@ -0,0 +1,444 @@
+<?php
+
+namespace App\Domains\Purchase\Services\Checkout;
+
+use App\Domains\Cart\Models\Cart;
+use App\Domains\Cart\Models\CartItem;
+use App\Domains\Cart\Services\CartVariantReplacementService;
+use App\Domains\Catalog\Exceptions\StockReservationExpiredException;
+use App\Domains\Catalog\Models\CatalogItem;
+use App\Domains\Catalog\Models\Variant;
+use App\Domains\Catalog\Services\CatalogInventoryService;
+use App\Domains\Catalog\Services\StockReservationService;
+use App\Domains\Purchase\Exceptions\InsufficientStockException;
+use App\Domains\Purchase\Models\Purchase;
+use App\Domains\Purchase\Services\UserPurchaseLimitService;
+use App\Domains\Tenant\Models\Tenant;
+use Illuminate\Support\Carbon;
+use Illuminate\Support\Collection;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Validation\ValidationException;
+use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
+
+class StartCheckoutService
+{
+    public function __construct(
+        private readonly CatalogInventoryService $inventory,
+        private readonly StockReservationService $reservations,
+        private readonly UserPurchaseLimitService $purchaseLimits,
+        private readonly CatalogSelectionResolver $selections,
+        private readonly InsufficientStockMessageBuilder $stockMessages,
+        private readonly PurchaseResponseLoader $responses,
+        private readonly PurchaseItemSnapshotFactory $snapshots,
+        private readonly CartVariantReplacementService $variantReplacements,
+    ) {}
+
+    /** @param array<string, mixed> $purchaseData */
+    public function start(Tenant $tenant, int $userId, array $purchaseData): Purchase
+    {
+        return DB::transaction(function () use ($tenant, $userId, $purchaseData): Purchase {
+            /** @var Tenant $tenant */
+            $tenant = Tenant::query()
+                ->lockForUpdate()
+                ->findOrFail($tenant->getKey());
+
+            $directItems = $purchaseData['direct_items'] ?? null;
+            $cartId = isset($purchaseData['cart_id']) ? (int) $purchaseData['cart_id'] : null;
+            unset($purchaseData['direct_items'], $purchaseData['cart_id']);
+
+            if (is_array($directItems)) {
+                return $this->startDirectItems(
+                    $tenant,
+                    $userId,
+                    $purchaseData,
+                    $directItems,
+                );
+            }
+
+            if ($cartId === null) {
+                throw ValidationException::withMessages([
+                    'cart_id' => __('api.purchase.source_required'),
+                ]);
+            }
+
+            return $this->startFromCart($tenant, $userId, $purchaseData, $cartId);
+        });
+    }
+
+    /**
+     * @param  array<string, mixed>  $purchaseData
+     * @param  array<int, array<string, mixed>>  $directItems
+     */
+    private function startDirectItems(
+        Tenant $tenant,
+        int $userId,
+        array $purchaseData,
+        array $directItems,
+    ): Purchase {
+        $lines = collect(array_values($directItems))
+            ->map(function (array $item, int $index): array {
+                return [
+                    'index' => $index,
+                    'catalog_item_id' => (int) $item['catalog_item_id'],
+                    'variant_id' => isset($item['variant_id']) ? (int) $item['variant_id'] : null,
+                    'quantity' => (int) $item['cantidad'],
+                    'field' => "direct_items.{$index}",
+                ];
+            })
+            ->groupBy(fn (array $line): string => sprintf(
+                '%d:%s',
+                $line['catalog_item_id'],
+                $line['variant_id'] === null ? 'none' : (string) $line['variant_id'],
+            ))
+            ->map(function (Collection $duplicateLines): array {
+                $line = $duplicateLines->first();
+                $line['quantity'] = (int) $duplicateLines->sum('quantity');
+
+                return $line;
+            })
+            ->sortBy(fn (array $line): string => sprintf(
+                '%020d:%020d',
+                $line['catalog_item_id'],
+                $line['variant_id'] ?? 0,
+            ))
+            ->values();
+
+        $resolvedLines = $lines->map(function (array $line) use ($tenant): array {
+            $selection = $this->selections->resolve(
+                $tenant,
+                $line['catalog_item_id'],
+                $line['variant_id'],
+                $line['field'],
+            );
+
+            return [
+                ...$line,
+                'selection' => $selection,
+                'catalog_item' => $selection instanceof Variant
+                    ? $selection->catalogItem
+                    : $selection,
+            ];
+        });
+
+        $resolvedLines
+            ->groupBy(fn (array $line): int => $line['catalog_item']->getKey())
+            ->each(function (Collection $catalogLines) use ($userId): void {
+                /** @var CatalogItem $catalogItem */
+                $catalogItem = $catalogLines->first()['catalog_item'];
+                $availableQuantities = $catalogLines
+                    ->map(fn (array $line): ?int => $this->inventory->availableQuantity($line['selection']));
+                $maximumAddableCeiling = $availableQuantities->contains(null)
+                    ? null
+                    : (int) $availableQuantities->sum();
+                $this->purchaseLimits->assertCanPurchase(
+                    $catalogItem,
+                    $userId,
+                    (int) $catalogLines->sum('quantity'),
+                    maximumAddableCeiling: $maximumAddableCeiling,
+                    field: 'direct_items',
+                );
+            });
+
+        $unavailableItems = $resolvedLines
+            ->map(function (array $line): ?array {
+                $availableQuantity = $this->inventory->availableQuantity($line['selection']);
+
+                if ($availableQuantity === null || $availableQuantity >= $line['quantity']) {
+                    return null;
+                }
+
+                return $this->unavailableItem($line, $availableQuantity);
+            })
+            ->filter()
+            ->values()
+            ->all();
+
+        if ($unavailableItems !== []) {
+            throw new InsufficientStockException($unavailableItems);
+        }
+
+        $cart = Cart::query()->create([
+            'tenant_codigo' => $tenant->codigo,
+            'user_id' => $userId,
+            'guest_token' => null,
+            'status' => 'checkout',
+            'origin' => Cart::ORIGIN_DIRECT_CHECKOUT,
+        ]);
+
+        $cartItems = collect();
+        foreach ($resolvedLines as $line) {
+            $cartItem = $cart->items()->create([
+                'catalog_item_id' => $line['catalog_item_id'],
+                'variant_id' => $line['variant_id'],
+                'cantidad' => $line['quantity'],
+            ]);
+
+            $cartItem->setRelation('catalogItem', $line['catalog_item']);
+            $cartItem->setRelation('variant', $line['selection'] instanceof Variant ? $line['selection'] : null);
+            $cartItems->push($cartItem);
+        }
+
+        try {
+            $this->reservations->syncCart($cart);
+        } catch (\InvalidArgumentException) {
+            $unavailable = $resolvedLines
+                ->map(function (array $line): ?array {
+                    $availableQuantity = $this->inventory->availableQuantity($line['selection']);
+
+                    return $availableQuantity !== null && $availableQuantity < $line['quantity']
+                        ? $this->unavailableItem($line, $availableQuantity)
+                        : null;
+                })
+                ->filter()
+                ->values()
+                ->all();
+
+            throw new InsufficientStockException($unavailable !== [] ? $unavailable : [
+                $this->unavailableItem($resolvedLines->first(), 0),
+            ]);
+        }
+
+        $purchase = $this->createPurchase(
+            $tenant,
+            $userId,
+            $purchaseData,
+            (float) $resolvedLines->sum(
+                fn (array $line): float => $line['selection']->getPrice() * $line['quantity'],
+            ),
+            $cart->getKey(),
+        );
+        $cart->update(['current_purchase_id' => $purchase->getKey()]);
+        $this->reservations->attachToPurchase($cart, $purchase, $this->checkoutExpiration());
+
+        $cartItems = $cart->items()->orderBy('id')->lockForUpdate()->get();
+        $this->loadCartItems($cartItems);
+        $purchase->items()->createMany($this->snapshots->fromCartItems($cartItems));
+
+        return $this->loadPurchase($purchase);
+    }
+
+    /**
+     * @param  array<string, mixed>  $line
+     * @return array{
+     *     index: int,
+     *     catalog_item_id: int,
+     *     variant_id: int|null,
+     *     requested_quantity: int,
+     *     available_quantity: int,
+     *     message: string
+     * }
+     */
+    private function unavailableItem(array $line, int $availableQuantity): array
+    {
+        return [
+            'index' => $line['index'],
+            'catalog_item_id' => $line['catalog_item_id'],
+            'variant_id' => $line['variant_id'],
+            'requested_quantity' => $line['quantity'],
+            'available_quantity' => $availableQuantity,
+            'message' => $this->stockMessages->build(
+                $line['catalog_item'],
+                $line['selection'],
+                $availableQuantity,
+            ),
+        ];
+    }
+
+    /** @param array<string, mixed> $purchaseData */
+    private function startFromCart(
+        Tenant $tenant,
+        int $userId,
+        array $purchaseData,
+        int $cartId,
+    ): Purchase {
+        $cart = $this->resolveCart($tenant, $userId, $cartId);
+        $this->variantReplacements->replaceHistoricalVariants($cart);
+        $cartItems = $cart->items()->lockForUpdate()->get();
+
+        if ($cartItems->isEmpty()) {
+            throw ValidationException::withMessages([
+                'cart_id' => __('api.purchase.empty_cart'),
+            ]);
+        }
+
+        $this->loadCartItems($cartItems);
+        $this->verifyTenantItems($tenant, $cartItems);
+        $this->assertCartPurchaseLimits($tenant, $userId, $cartItems, $cart->getKey());
+        $cart->setRelation('items', $cartItems);
+        $this->reservations->syncCart($cart);
+
+        $purchase = $this->createPurchase(
+            $tenant,
+            $userId,
+            $purchaseData,
+            $cart->getTotalAmount(),
+            $cart->getKey(),
+        );
+        $cart->update(['current_purchase_id' => $purchase->getKey()]);
+        $this->reservations->attachToPurchase($cart, $purchase, $this->checkoutExpiration());
+        $purchase->items()->createMany($this->snapshots->fromCartItems($cartItems));
+
+        return $this->loadPurchase($purchase);
+    }
+
+    private function resolveCart(Tenant $tenant, int $userId, int $cartId): Cart
+    {
+        /** @var Cart|null $candidate */
+        $candidate = Cart::query()->find($cartId);
+
+        $this->assertCartCanCheckout($candidate, $tenant, $userId);
+
+        $candidatePurchaseId = $candidate->current_purchase_id;
+        $currentPurchase = $candidatePurchaseId === null
+            ? null
+            : Purchase::query()->lockForUpdate()->find($candidatePurchaseId);
+
+        /** @var Cart|null $cart */
+        $cart = Cart::query()->lockForUpdate()->find($cartId);
+
+        $this->assertCartCanCheckout($cart, $tenant, $userId);
+
+        if ($cart->current_purchase_id !== $candidatePurchaseId) {
+            if ($cart->current_purchase_id !== null) {
+                throw ValidationException::withMessages([
+                    'cart_id' => __('api.purchase.checkout_in_progress'),
+                ]);
+            }
+
+            $currentPurchase = null;
+        }
+
+        if ($currentPurchase?->status === Purchase::STATUS_PAID) {
+            throw ValidationException::withMessages([
+                'cart_id' => __('api.purchase.checkout_in_progress'),
+            ]);
+        }
+
+        if ($currentPurchase !== null && in_array($currentPurchase->status, [
+            Purchase::STATUS_CREATED,
+            Purchase::STATUS_PENDING_PAYMENT,
+        ], true)) {
+            $this->reservations->returnToCart($currentPurchase, $cart);
+            $currentPurchase->update([
+                'status' => Purchase::STATUS_SUPERSEDED,
+            ]);
+        }
+
+        return $cart;
+    }
+
+    private function assertCartCanCheckout(?Cart $cart, Tenant $tenant, int $userId): void
+    {
+        if ($cart === null || $cart->tenant_codigo !== $tenant->codigo || $cart->user_id !== $userId) {
+            throw new NotFoundHttpException('Cart not found for tenant.');
+        }
+
+        if ($cart->status === Cart::STATUS_EXPIRED) {
+            throw new StockReservationExpiredException;
+        }
+
+        if ($cart->status !== Cart::STATUS_ACTIVE) {
+            throw ValidationException::withMessages([
+                'cart_id' => __('api.purchase.inactive_cart'),
+            ]);
+        }
+    }
+
+    /** @param Collection<int, CartItem> $cartItems */
+    private function verifyTenantItems(Tenant $tenant, Collection $cartItems): void
+    {
+        foreach ($cartItems as $item) {
+            if ($item->selectedItem() === null) {
+                throw ValidationException::withMessages([
+                    'cart_id' => __('api.purchase.catalog_item_missing'),
+                ]);
+            }
+
+            if ($item->catalogItem?->tenant_code !== $tenant->codigo) {
+                throw ValidationException::withMessages([
+                    'cart_id' => __('api.purchase.catalog_item_wrong_tenant'),
+                ]);
+            }
+        }
+    }
+
+    /** @param Collection<int, CartItem> $cartItems */
+    private function assertCartPurchaseLimits(
+        Tenant $tenant,
+        int $userId,
+        Collection $cartItems,
+        int $cartId,
+    ): void {
+        $quantities = $cartItems
+            ->groupBy('catalog_item_id')
+            ->map(fn (Collection $items): int => (int) $items->sum('cantidad'))
+            ->sortKeys();
+
+        $catalogItems = CatalogItem::query()
+            ->where('tenant_code', $tenant->codigo)
+            ->whereKey($quantities->keys())
+            ->orderBy('id')
+            ->lockForUpdate()
+            ->get()
+            ->keyBy('id');
+
+        foreach ($quantities as $catalogItemId => $quantity) {
+            /** @var CatalogItem $catalogItem */
+            $catalogItem = $catalogItems->get($catalogItemId);
+            $this->purchaseLimits->assertCanPurchase(
+                $catalogItem,
+                $userId,
+                $quantity,
+                excludedCartId: $cartId,
+                heldQuantity: $quantity,
+                field: 'cart_id',
+            );
+        }
+    }
+
+    /** @param array<string, mixed> $purchaseData */
+    private function createPurchase(
+        Tenant $tenant,
+        int $userId,
+        array $purchaseData,
+        float $total,
+        ?int $cartId,
+    ): Purchase {
+        return Purchase::query()->create([
+            ...$purchaseData,
+            'cart_id' => $cartId,
+            'tenant_codigo' => $tenant->codigo,
+            'user_id' => $userId,
+            'status' => Purchase::STATUS_CREATED,
+            'payment_method' => null,
+            'total' => $total,
+        ]);
+    }
+
+    private function checkoutExpiration(): Carbon
+    {
+        return now()->addMinutes(
+            max(1, (int) config('purchase.checkout_expiration_minutes', 30)),
+        );
+    }
+
+    /** @param Collection<int, CartItem> $cartItems */
+    private function loadCartItems(Collection $cartItems): void
+    {
+        $cartItems->load([
+            'catalogItem.inventory',
+            'catalogItem.attachments',
+            'variant.inventory',
+            'variant.attachments',
+            'variant.catalogItem',
+            'variant.definitions.itemAttribute.attribute',
+            'variant.eventDates',
+            'variant.eventDate',
+        ]);
+    }
+
+    private function loadPurchase(Purchase $purchase): Purchase
+    {
+        return $this->responses->load($purchase);
+    }
+}

app/Domains/Commerce/Purchase/Services/CheckoutService.php

@@ -0,0 +1,78 @@
+<?php
+
+namespace App\Domains\Purchase\Services;
+
+use App\Domains\Purchase\Models\Purchase;
+use App\Domains\Purchase\Services\Checkout\CompleteCheckoutService;
+use App\Domains\Purchase\Services\Checkout\EditCheckoutService;
+use App\Domains\Purchase\Services\Checkout\ReleaseCheckoutService;
+use App\Domains\Purchase\Services\Checkout\StartCheckoutService;
+use App\Domains\Tenant\Models\Tenant;
+use Illuminate\Support\Facades\DB;
+
+/**
+ * Stable checkout API used by controllers, commands and integrations.
+ *
+ * Workflow details live in focused services under Services/Checkout.
+ */
+class CheckoutService
+{
+    public function __construct(
+        private readonly StartCheckoutService $starter,
+        private readonly EditCheckoutService $editor,
+        private readonly CompleteCheckoutService $completer,
+        private readonly ReleaseCheckoutService $releaser,
+    ) {}
+
+    /** @param array<string, mixed> $purchaseData */
+    public function startCheckout(Tenant $tenant, int $userId, array $purchaseData): Purchase
+    {
+        return $this->starter->start($tenant, $userId, $purchaseData);
+    }
+
+    public function completePurchase(Purchase $purchase): Purchase
+    {
+        return $this->completer->complete($purchase);
+    }
+
+    public function submitForReview(Purchase $purchase): Purchase
+    {
+        return $this->completer->submitForReview($purchase);
+    }
+
+    /** @param array<string, string> $customerData */
+    public function updateCustomerData(Purchase $purchase, array $customerData): Purchase
+    {
+        return $this->editor->updateCustomer($purchase, $customerData);
+    }
+
+    public function confirmPurchase(Purchase $purchase): void
+    {
+        $this->completer->confirm($purchase);
+    }
+
+    public function confirmPaidPurchase(Purchase $purchase): Purchase
+    {
+        return DB::transaction(function () use ($purchase): Purchase {
+            $this->completer->confirm($purchase);
+            $purchase->markAsPaid();
+
+            return $purchase->refresh()->load(['items.imageAttachment']);
+        });
+    }
+
+    public function cancelPurchase(Purchase $purchase): Purchase
+    {
+        return $this->releaser->cancel($purchase);
+    }
+
+    public function cancelPurchaseFromAdmin(Purchase $purchase): Purchase
+    {
+        return $this->releaser->cancelFromAdmin($purchase);
+    }
+
+    public function expirePurchase(Purchase $purchase): Purchase
+    {
+        return $this->releaser->expire($purchase);
+    }
+}

app/Domains/Commerce/Purchase/Services/DniDistanceService.php

@@ -0,0 +1,82 @@
+<?php
+
+namespace App\Domains\Purchase\Services;
+
+/**
+ * Measures likely DNI typing errors using the optimal-string-alignment
+ * variant of the Damerau-Levenshtein distance.
+ *
+ * The returned value is the minimum number of single-character edits needed
+ * to transform one DNI into the other. Supported edits are insertion,
+ * deletion, substitution and transposition of two adjacent digits.
+ */
+class DniDistanceService
+{
+    /**
+     * Calculate the edit distance between two normalized DNI strings.
+     *
+     * Each matrix cell [row][column] stores the minimum edits required to
+     * transform the first $row digits of $left into the first $column digits
+     * of $right. The bottom-right cell therefore contains the final distance.
+     */
+    public function distance(string $left, string $right): int
+    {
+        $left = $this->normalize($left);
+        $right = $this->normalize($right);
+        $leftLength = strlen($left);
+        $rightLength = strlen($right);
+        $matrix = [];
+
+        // Transforming a prefix into an empty string requires deleting every digit.
+        for ($row = 0; $row <= $leftLength; $row++) {
+            $matrix[$row] = [$row];
+        }
+
+        // Transforming an empty string into a prefix requires inserting every digit.
+        for ($column = 0; $column <= $rightLength; $column++) {
+            $matrix[0][$column] = $column;
+        }
+
+        for ($row = 1; $row <= $leftLength; $row++) {
+            for ($column = 1; $column <= $rightLength; $column++) {
+                $substitutionCost = $left[$row - 1] === $right[$column - 1] ? 0 : 1;
+                $deletionDistance = $matrix[$row - 1][$column] + 1;
+                $insertionDistance = $matrix[$row][$column - 1] + 1;
+                $substitutionDistance = $matrix[$row - 1][$column - 1] + $substitutionCost;
+
+                // Keep the cheapest way to align the two prefixes at this position.
+                $matrix[$row][$column] = min(
+                    $deletionDistance,
+                    $insertionDistance,
+                    $substitutionDistance,
+                );
+
+                // Count two adjacent inverted digits as one edit instead of two substitutions.
+                if (
+                    $row > 1
+                    && $column > 1
+                    && $left[$row - 1] === $right[$column - 2]
+                    && $left[$row - 2] === $right[$column - 1]
+                ) {
+                    $matrix[$row][$column] = min(
+                        $matrix[$row][$column],
+                        $matrix[$row - 2][$column - 2] + 1,
+                    );
+                }
+            }
+        }
+
+        return $matrix[$leftLength][$rightLength];
+    }
+
+    /**
+     * Keep only digits and left-pad seven-digit DNIs so comparisons preserve
+     * the leading zero that is present when the DNI is extracted from a CUIT.
+     */
+    public function normalize(string $dni): string
+    {
+        $digits = preg_replace('/\D+/', '', $dni) ?? '';
+
+        return str_pad($digits, 8, '0', STR_PAD_LEFT);
+    }
+}

app/Domains/Commerce/Purchase/Services/PurchaseRefundSummaryService.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace App\Domains\Purchase\Services;
+
+use App\Domains\Tenant\Models\Tenant;
+use App\Domains\Ticket\Models\TicketRefund;
+use Illuminate\Database\Eloquent\Builder;
+
+class PurchaseRefundSummaryService
+{
+    public function totalForTenant(Tenant $tenant): string
+    {
+        $total = TicketRefund::query()
+            ->whereHas(
+                'purchaseItem.purchase',
+                fn (Builder $query): Builder => $query->where('tenant_codigo', $tenant->codigo)
+            )
+            ->sum('amount');
+
+        return number_format((float) $total, 2, '.', '');
+    }
+}

app/Domains/Commerce/Purchase/Services/PurchaseStateGuard.php

@@ -0,0 +1,58 @@
+<?php
+
+namespace App\Domains\Purchase\Services;
+
+use App\Domains\Cart\Models\Cart;
+use App\Domains\Catalog\Models\StockReservation;
+use App\Domains\Purchase\Exceptions\PurchaseExpiredException;
+use App\Domains\Purchase\Models\Purchase;
+use Illuminate\Validation\ValidationException;
+
+class PurchaseStateGuard
+{
+    public function assertNotExpired(Purchase $purchase): void
+    {
+        if ($purchase->status === Purchase::STATUS_EXPIRED) {
+            throw new PurchaseExpiredException;
+        }
+
+        if (! in_array($purchase->status, [
+            Purchase::STATUS_CREATED,
+            Purchase::STATUS_PENDING_PAYMENT,
+        ], true)) {
+            return;
+        }
+
+        /** @var StockReservation|null $reservation */
+        $reservation = $purchase->relationLoaded('stockReservation')
+            ? $purchase->getRelation('stockReservation')
+            : ($purchase->exists
+                ? $purchase->stockReservation()->first()
+                : null);
+
+        if ($reservation !== null && (
+            $reservation->status === StockReservation::STATUS_EXPIRED
+            || (
+                $reservation->status === StockReservation::STATUS_ACTIVE
+                && $reservation->expires_at !== null
+                && ! $reservation->expires_at->isFuture()
+            )
+        )) {
+            throw new PurchaseExpiredException;
+        }
+    }
+
+    public function lockCurrentCart(Purchase $purchase): Cart
+    {
+        /** @var Cart|null $cart */
+        $cart = $purchase->cart()->withTrashed()->lockForUpdate()->first();
+
+        if ($cart === null || $cart->current_purchase_id !== $purchase->getKey()) {
+            throw ValidationException::withMessages([
+                'purchase' => __('api.purchase.not_current'),
+            ]);
+        }
+
+        return $cart;
+    }
+}

app/Domains/Commerce/Purchase/Services/TenantTransactionResetService.php

@@ -0,0 +1,160 @@
+<?php
+
+namespace App\Domains\Purchase\Services;
+
+use App\Domains\Purchase\Models\Purchase;
+use Illuminate\Database\Query\Builder;
+use Illuminate\Support\Collection;
+use Illuminate\Support\Facades\DB;
+use InvalidArgumentException;
+
+class TenantTransactionResetService
+{
+    /** @return array<string, int> */
+    public function preview(string $tenantCode): array
+    {
+        $this->ensureTenantExists($tenantCode);
+        $scope = $this->scope($tenantCode);
+
+        return [
+            'users_preserved' => DB::table('users')->where('tenant_codigo', $tenantCode)->count(),
+            'purchases' => $scope['purchase_ids']->count(),
+            'purchase_items' => DB::table('compra_items')->whereIn('compra_id', $scope['purchase_ids'])->count(),
+            'telepagos_payments' => DB::table('telepagos_payments')->whereIn('compra_id', $scope['purchase_ids'])->count(),
+            'telepagos_qr' => DB::table('telepagos_qr')->whereIn('compra_id', $scope['purchase_ids'])->count(),
+            'carts' => $scope['cart_ids']->count(),
+            'cart_items' => $scope['cart_item_ids']->count(),
+            'tickets' => DB::table('tickets')->where('tenant_code', $tenantCode)->count(),
+            'stock_reservations' => $this->reservationQuery($scope)->count(),
+            'purchase_changes' => DB::table('value_changes')
+                ->where('tenant_code', $tenantCode)
+                ->where('trackable_type', Purchase::class)
+                ->count(),
+            'inventories' => $scope['inventory_ids']->count(),
+        ];
+    }
+
+    /** @return array<string, int> */
+    public function reset(string $tenantCode): array
+    {
+        $this->ensureTenantExists($tenantCode);
+
+        return DB::transaction(function () use ($tenantCode): array {
+            $scope = $this->scope($tenantCode);
+            $purchaseItems = DB::table('compra_items')->whereIn('compra_id', $scope['purchase_ids'])->count();
+            $cartItems = $scope['cart_item_ids']->count();
+            $telepagosPayments = DB::table('telepagos_payments')->whereIn('compra_id', $scope['purchase_ids'])->count();
+            $telepagosQr = DB::table('telepagos_qr')->whereIn('compra_id', $scope['purchase_ids'])->count();
+            $summary = [
+                'stock_reservations_deleted' => $this->reservationQuery($scope)->delete(),
+                'tickets_deleted' => DB::table('tickets')->where('tenant_code', $tenantCode)->delete(),
+                'purchase_changes_deleted' => DB::table('value_changes')
+                    ->where('tenant_code', $tenantCode)
+                    ->where('trackable_type', Purchase::class)
+                    ->delete(),
+                'purchases_deleted' => DB::table('compras')->whereIn('id', $scope['purchase_ids'])->delete(),
+                'purchase_items_deleted' => $purchaseItems,
+                'telepagos_payments_deleted' => $telepagosPayments,
+                'telepagos_qr_deleted' => $telepagosQr,
+                'carts_deleted' => DB::table('carritos')->whereIn('id', $scope['cart_ids'])->delete(),
+                'cart_items_deleted' => $cartItems,
+                'inventories_reset' => $scope['inventory_ids']->count(),
+                'users_preserved' => DB::table('users')->where('tenant_codigo', $tenantCode)->count(),
+            ];
+
+            DB::table('inventories')
+                ->whereIn('id', $scope['inventory_ids'])
+                ->update([
+                    'real_stock' => DB::raw('real_stock + sold_units - refunded_units'),
+                    'reserved_stock' => 0,
+                    'sold_units' => 0,
+                    'refunded_units' => 0,
+                ]);
+
+            return $summary;
+        });
+    }
+
+    private function ensureTenantExists(string $tenantCode): void
+    {
+        if (! DB::table('tenants')->where('codigo', $tenantCode)->exists()) {
+            throw new InvalidArgumentException("El tenant {$tenantCode} no existe.");
+        }
+    }
+
+    /**
+     * @return array{
+     *     purchase_ids: Collection<int, int>,
+     *     cart_ids: Collection<int, int>,
+     *     cart_item_ids: Collection<int, int>,
+     *     inventory_ids: Collection<int, int>
+     * }
+     */
+    private function scope(string $tenantCode): array
+    {
+        $catalogItemIds = DB::table('catalog_items')
+            ->where('tenant_code', $tenantCode)
+            ->pluck('id');
+        $purchaseIds = DB::table('compras')
+            ->where('tenant_codigo', $tenantCode)
+            ->pluck('id');
+        $cartIds = DB::table('carritos')
+            ->where('tenant_codigo', $tenantCode)
+            ->pluck('id');
+        $cartItemIds = DB::table('carrito_items')
+            ->whereIn('cart_id', $cartIds)
+            ->pluck('id');
+        $inventoryIds = DB::table('variantes')
+            ->whereIn('catalog_item_id', $catalogItemIds)
+            ->whereNotNull('inventory_id')
+            ->pluck('inventory_id')
+            ->merge(
+                DB::table('catalog_items')
+                    ->whereIn('id', $catalogItemIds)
+                    ->whereNotNull('inventory_id')
+                    ->pluck('inventory_id'),
+            )
+            ->map(fn ($id): int => (int) $id)
+            ->unique()
+            ->values();
+
+        return [
+            'purchase_ids' => $purchaseIds->map(fn ($id): int => (int) $id),
+            'cart_ids' => $cartIds->map(fn ($id): int => (int) $id),
+            'cart_item_ids' => $cartItemIds->map(fn ($id): int => (int) $id),
+            'inventory_ids' => $inventoryIds,
+        ];
+    }
+
+    /**
+     * @param array{
+     *     purchase_ids: Collection<int, int>,
+     *     cart_ids: Collection<int, int>,
+     *     cart_item_ids: Collection<int, int>,
+     *     inventory_ids: Collection<int, int>
+     * } $scope
+     */
+    private function reservationQuery(array $scope): Builder
+    {
+        $reservationIds = DB::table('carritos')
+            ->whereIn('id', $scope['cart_ids'])
+            ->whereNotNull('current_stock_reservation_id')
+            ->pluck('current_stock_reservation_id')
+            ->merge(
+                DB::table('compras')
+                    ->whereIn('id', $scope['purchase_ids'])
+                    ->whereNotNull('stock_reservation_id')
+                    ->pluck('stock_reservation_id'),
+            )
+            ->merge(
+                DB::table('stock_reservation_lines')
+                    ->whereIn('inventory_id', $scope['inventory_ids'])
+                    ->pluck('stock_reservation_id'),
+            )
+            ->unique()
+            ->values();
+
+        return DB::table('stock_reservations')
+            ->whereIn('id', $reservationIds);
+    }
+}

app/Domains/Commerce/Purchase/Services/UserPurchaseLimitService.php

@@ -0,0 +1,182 @@
+<?php
+
+namespace App\Domains\Purchase\Services;
+
+use App\Domains\Cart\Models\CartItem;
+use App\Domains\Catalog\Models\CatalogItem;
+use App\Domains\Purchase\Exceptions\PurchaseLimitExceededException;
+use App\Domains\Purchase\Models\Purchase;
+use App\Domains\Purchase\Models\PurchaseItem;
+use Illuminate\Support\Collection;
+use Illuminate\Support\Facades\DB;
+
+class UserPurchaseLimitService
+{
+    public function assertCanPurchase(
+        CatalogItem $catalogItem,
+        int $userId,
+        int $requestedQuantity,
+        ?int $excludedPurchaseId = null,
+        ?int $excludedCartId = null,
+        int $heldQuantity = 0,
+        ?int $maximumAddableCeiling = null,
+        string $field = 'quantity',
+    ): void {
+        DB::transaction(function () use (
+            $catalogItem,
+            $userId,
+            $requestedQuantity,
+            $excludedPurchaseId,
+            $excludedCartId,
+            $heldQuantity,
+            $maximumAddableCeiling,
+            $field,
+        ): void {
+            /** @var CatalogItem $catalogItem */
+            $catalogItem = CatalogItem::query()
+                ->whereKey($catalogItem->getKey())
+                ->lockForUpdate()
+                ->firstOrFail();
+            $limit = $catalogItem->max_units_per_user;
+
+            if ($limit === null) {
+                return;
+            }
+
+            $purchasedQuantity = (int) PurchaseItem::query()
+                ->where('source_catalog_item_id', $catalogItem->getKey())
+                ->whereHas('purchase', function ($query) use ($userId, $excludedPurchaseId): void {
+                    $query
+                        ->where('user_id', $userId)
+                        ->whereIn('status', [
+                            Purchase::STATUS_CREATED,
+                            Purchase::STATUS_PENDING_PAYMENT,
+                            Purchase::STATUS_IN_REVIEW,
+                            Purchase::STATUS_PAID,
+                        ])
+                        ->when(
+                            $excludedPurchaseId !== null,
+                            fn ($query) => $query->whereKeyNot($excludedPurchaseId),
+                        );
+                })
+                ->sum('cantidad');
+
+            $checkoutQuantity = (int) CartItem::query()
+                ->where('catalog_item_id', $catalogItem->getKey())
+                ->whereHas('cart.purchases', function ($query) use ($userId, $excludedPurchaseId): void {
+                    $query
+                        ->where('user_id', $userId)
+                        ->whereIn('status', [
+                            Purchase::STATUS_CREATED,
+                            Purchase::STATUS_PENDING_PAYMENT,
+                            Purchase::STATUS_IN_REVIEW,
+                        ])
+                        ->whereDoesntHave('items')
+                        ->when(
+                            $excludedPurchaseId !== null,
+                            fn ($query) => $query->whereKeyNot($excludedPurchaseId),
+                        );
+                })
+                ->sum('cantidad');
+
+            $reservedCartQuantity = (int) CartItem::query()
+                ->where('catalog_item_id', $catalogItem->getKey())
+                ->whereHas('cart', fn ($query) => $query
+                    ->where('user_id', $userId)
+                    ->where('status', 'active')
+                    ->when(
+                        $excludedCartId !== null,
+                        fn ($query) => $query->whereKeyNot($excludedCartId),
+                    ))
+                ->whereHas('cart.currentStockReservation', fn ($query) => $query
+                    ->where('status', 'active')
+                    ->whereDoesntHave('purchase'))
+                ->sum('cantidad');
+
+            if ($purchasedQuantity + $checkoutQuantity + $reservedCartQuantity + $requestedQuantity > $limit) {
+                $remainingQuota = max(
+                    0,
+                    $limit - $purchasedQuantity - $checkoutQuantity - $reservedCartQuantity,
+                );
+
+                $maximumAddableQuantity = max(0, $remainingQuota - $heldQuantity);
+
+                throw new PurchaseLimitExceededException(
+                    $catalogItem,
+                    $maximumAddableCeiling === null
+                        ? $maximumAddableQuantity
+                        : min($maximumAddableQuantity, $maximumAddableCeiling),
+                    $field,
+                );
+            }
+        });
+    }
+
+    /**
+     * @param  Collection<int, CatalogItem>  $catalogItems
+     * @return Collection<int, int|null>
+     */
+    public function remainingByCatalogItem(Collection $catalogItems, ?int $userId): Collection
+    {
+        $limits = $catalogItems
+            ->unique('id')
+            ->mapWithKeys(fn (CatalogItem $item): array => [$item->getKey() => $item->max_units_per_user]);
+
+        if ($userId === null || $limits->filter(fn ($limit) => $limit !== null)->isEmpty()) {
+            return $limits->map(fn (): ?int => null);
+        }
+
+        $ids = $limits->keys();
+        $purchased = PurchaseItem::query()
+            ->selectRaw('source_catalog_item_id, SUM(cantidad) AS quantity')
+            ->whereIn('source_catalog_item_id', $ids)
+            ->whereHas('purchase', fn ($query) => $query
+                ->where('user_id', $userId)
+                ->whereIn('status', [
+                    Purchase::STATUS_CREATED,
+                    Purchase::STATUS_PENDING_PAYMENT,
+                    Purchase::STATUS_IN_REVIEW,
+                    Purchase::STATUS_PAID,
+                ]))
+            ->groupBy('source_catalog_item_id')
+            ->pluck('quantity', 'source_catalog_item_id');
+
+        $checkout = CartItem::query()
+            ->selectRaw('catalog_item_id, SUM(cantidad) AS quantity')
+            ->whereIn('catalog_item_id', $ids)
+            ->whereHas('cart.purchases', fn ($query) => $query
+                ->where('user_id', $userId)
+                ->whereIn('status', [
+                    Purchase::STATUS_CREATED,
+                    Purchase::STATUS_PENDING_PAYMENT,
+                    Purchase::STATUS_IN_REVIEW,
+                ])
+                ->whereDoesntHave('items'))
+            ->groupBy('catalog_item_id')
+            ->pluck('quantity', 'catalog_item_id');
+
+        $reserved = CartItem::query()
+            ->selectRaw('catalog_item_id, SUM(cantidad) AS quantity')
+            ->whereIn('catalog_item_id', $ids)
+            ->whereHas('cart', fn ($query) => $query
+                ->where('user_id', $userId)
+                ->where('status', 'active'))
+            ->whereHas('cart.currentStockReservation', fn ($query) => $query
+                ->where('status', 'active')
+                ->whereDoesntHave('purchase'))
+            ->groupBy('catalog_item_id')
+            ->pluck('quantity', 'catalog_item_id');
+
+        return $limits->map(function (?int $limit, int $catalogItemId) use ($purchased, $checkout, $reserved): ?int {
+            if ($limit === null) {
+                return null;
+            }
+
+            $used = (int) ($purchased[$catalogItemId] ?? 0)
+                + (int) ($checkout[$catalogItemId] ?? 0)
+                + (int) ($reserved[$catalogItemId] ?? 0);
+
+            return max(0, $limit - $used);
+        });
+    }
+}

app/Domains/Commerce/Purchase/documentacion/README.md

@@ -0,0 +1,37 @@
+# Dominio Purchase
+
+## Propósito
+
+Implementa el ciclo de compra y checkout: crea la cabecera de compra desde un carrito, mantiene sus líneas vivas contra catálogo durante el checkout, inicia el pago y materializa el snapshot definitivo al confirmar, o cancela y vence la operación.
+
+## Modelo
+
+- `Purchase`: raíz de la compra; estados `created`, `pending_payment`, `in_review`, `paid`, `cancelled`, `rejected` y `expired`, y referencia la reserva que respaldó ese intento de checkout. No guarda un vencimiento propio: expira como consecuencia del vencimiento de su reserva.
+- `PurchaseItem`: snapshot definitivo del producto o variante, creado recién al confirmar la compra.
+- `TelepagosQr` y `TelepagosPayment`: datos del QR e intentos/resultados del proveedor.
+- `PurchasePaid`: evento emitido una sola vez al pasar a pagada bajo bloqueo transaccional.
+
+## Servicios de checkout
+
+`CheckoutService` es la fachada estable. Delega en:
+
+- `StartCheckoutService`: inicia la compra desde el carrito o crea un carrito técnico para compra directa, refresca el vencimiento de la reserva agregada y crea los snapshots `PurchaseItem`.
+- `EditCheckoutService`: modifica los datos del comprador antes del cierre.
+- `CompleteCheckoutService`: completa, envía a revisión o materializa los `PurchaseItem` al confirmar el pago.
+- `ReleaseCheckoutService`: cancela o vence una compra y aplica sus efectos comerciales; el scanner unificado del dominio Catalog detecta las reservas pendientes de vencimiento.
+- `SourceCartService`: sincroniza o finaliza el carrito de checkout asociado a la compra.
+- `CatalogSelectionResolver` y `PurchaseItemSnapshotFactory`: resuelven selecciones y generan snapshots.
+
+Al iniciar checkout o elegir un medio de pago se refresca directamente `StockReservation.expires_at`, que es la única fuente de verdad y se expone como `expires_at` en la respuesta pública de la compra. El refresco sólo se permite mientras la reserva siga vigente; una fecha vencida bloquea todas las mutaciones aun antes de que corra el scheduler. Al materializar la expiración, la compra pagable, su carrito y la reserva pasan a `expired` dentro de la misma transacción. Al cancelar o reemplazar una compra recuperable, ésta se desvincula y el carrito conserva la misma reserva activa. Al informar una transferencia, la compra pasa de `pending_payment` a `in_review` y ese vencimiento se limpia. Si el comprador abandona el checkout durante la revisión, la compra y sus reservas permanecen intactas y se crea un carrito activo nuevo para que pueda seguir comprando. Adminapp puede confirmar o anular explícitamente la compra en revisión.
+
+Las cantidades y variantes se editan mediante el dominio Cart. El endpoint autenticado `PATCH /checkout-carts/{cart}/items/{cartItem}` valida que el carrito pertenezca al usuario y a una compra editable. Cuando existe un cambio real, invalida atómicamente el intento de pago anterior, devuelve la misma reserva activa al carrito y sincroniza sus líneas con el contenido actualizado; Purchase no expone operaciones sobre líneas antes de la confirmación.
+
+`UserPurchaseLimitService` controla límites de compra y `CheckoutService` conserva el punto de entrada para controladores e integraciones.
+
+## Endpoints
+
+Bajo `/tenants/{tenant:codigo}/compras`, con `auth:sanctum`: listado, inicio, detalle, edición de ítems, datos del cliente, intención de pago, finalización, revisión y cancelación.
+
+## Dependencias y reglas
+
+Depende de `Cart`, `Catalog`, `Tenant`, `Auth` e `Integration`; emite eventos consumidos por `Ticket` y `Notification`. Los cambios de estado e inventario deben ser transaccionales y usar los servicios del checkout, no actualizaciones directas del modelo.

app/Domains/Commerce/Purchase/routes/api.php

@@ -0,0 +1,15 @@
+<?php
+
+use App\Domains\Purchase\Controllers\PurchaseController;
+use Illuminate\Support\Facades\Route;
+
+Route::prefix('tenants/{tenant:codigo}')->middleware('auth:sanctum')->group(function (): void {
+    Route::get('compras', [PurchaseController::class, 'index']);
+    Route::post('compras/start-checkout', [PurchaseController::class, 'startCheckout']);
+    Route::get('compras/{compra}', [PurchaseController::class, 'show']);
+    Route::patch('compras/{compra}/customer-data', [PurchaseController::class, 'updateCustomerData']);
+    Route::post('compras/{compra}/payment-intent', [PurchaseController::class, 'paymentIntent']);
+    Route::post('compras/{compra}/complete', [PurchaseController::class, 'complete']);
+    Route::post('compras/{compra}/review', [PurchaseController::class, 'submitForReview']);
+    Route::post('compras/{compra}/cancel', [PurchaseController::class, 'cancel']);
+});

app/Domains/Commerce/Sale/Controllers/AdminApp/SaleController.php

@@ -0,0 +1,127 @@
+<?php
+
+namespace App\Domains\Sale\Controllers\AdminApp;
+
+use App\Domains\Sale\Requests\AdminAppSaleIndexRequest;
+use App\Domains\Sale\Requests\AdminAppSaleModificationIndexRequest;
+use App\Domains\Sale\Requests\AdminAppSaleModificationPdfRequest;
+use App\Domains\Sale\Requests\AdminAppSalePdfRequest;
+use App\Domains\Sale\Resources\AdminApp\SaleDetailResource;
+use App\Domains\Sale\Resources\AdminApp\SaleModificationResource;
+use App\Domains\Sale\Resources\AdminApp\SaleResource;
+use App\Domains\Sale\Resources\AdminApp\SaleTicketResource;
+use App\Domains\Sale\Services\AdminAppSaleExcelService;
+use App\Domains\Sale\Services\AdminAppSalePdfService;
+use App\Domains\Sale\Services\AdminAppSaleService;
+use App\Http\Controllers\Controller;
+use Illuminate\Http\Request;
+use Illuminate\Http\Resources\Json\AnonymousResourceCollection;
+use Illuminate\Http\Response;
+use Symfony\Component\HttpFoundation\StreamedResponse;
+
+class SaleController extends Controller
+{
+    public function __construct(
+        protected AdminAppSaleService $saleService,
+        protected AdminAppSalePdfService $salePdfService,
+        protected AdminAppSaleExcelService $saleExcelService,
+    ) {}
+
+    public function index(AdminAppSaleIndexRequest $request): AnonymousResourceCollection
+    {
+        $tenant = $request->user()->tenant()->firstOrFail();
+
+        return SaleResource::collection(
+            $this->saleService->sales($tenant, $request->validated())
+        )->additional([
+            'confirmed_sales_total' => $this->saleService->confirmedSalesTotal($tenant),
+            'refunded_total' => $this->saleService->refundedTotal($tenant),
+        ]);
+    }
+
+    public function show(Request $request, int $sale): SaleDetailResource
+    {
+        $tenant = $request->user()->tenant()->firstOrFail();
+
+        return new SaleDetailResource($this->saleService->detail($tenant, $sale));
+    }
+
+    public function tickets(Request $request, int $sale): AnonymousResourceCollection
+    {
+        $tenant = $request->user()->tenant()->firstOrFail();
+
+        return SaleTicketResource::collection(
+            $this->saleService->tickets($tenant, $sale)
+        );
+    }
+
+    public function confirm(Request $request, int $sale): SaleResource
+    {
+        $tenant = $request->user()->tenant()->firstOrFail();
+
+        return new SaleResource($this->saleService->confirm($tenant, $sale));
+    }
+
+    public function cancel(Request $request, int $sale): SaleResource
+    {
+        $tenant = $request->user()->tenant()->firstOrFail();
+
+        return new SaleResource($this->saleService->cancel($tenant, $sale));
+    }
+
+    public function modifications(
+        AdminAppSaleModificationIndexRequest $request,
+    ): AnonymousResourceCollection {
+        return SaleModificationResource::collection(
+            $this->saleService->modifications(
+                $request->user()->tenant()->firstOrFail(),
+                $request->validated(),
+            )
+        );
+    }
+
+    public function downloadPdf(AdminAppSalePdfRequest $request): Response
+    {
+        $tenant = $request->user()->tenant()->firstOrFail();
+
+        return $this->salePdfService->downloadSales(
+            $tenant,
+            $this->saleService->salesForExport($tenant, $request->validated()),
+            $request->validated('timezone'),
+        );
+    }
+
+    public function downloadModificationsPdf(AdminAppSaleModificationPdfRequest $request): Response
+    {
+        $tenant = $request->user()->tenant()->firstOrFail();
+
+        return $this->salePdfService->downloadModifications(
+            $tenant,
+            $this->saleService->modificationsForExport($tenant, $request->validated()),
+            $request->validated('timezone'),
+        );
+    }
+
+    public function downloadExcel(AdminAppSalePdfRequest $request): StreamedResponse
+    {
+        $tenant = $request->user()->tenant()->firstOrFail();
+
+        return $this->saleExcelService->downloadSales(
+            $tenant,
+            $this->saleService->salesForExport($tenant, $request->validated()),
+            $request->validated('timezone'),
+        );
+    }
+
+    public function downloadModificationsExcel(
+        AdminAppSaleModificationPdfRequest $request,
+    ): StreamedResponse {
+        $tenant = $request->user()->tenant()->firstOrFail();
+
+        return $this->saleExcelService->downloadModifications(
+            $tenant,
+            $this->saleService->modificationsForExport($tenant, $request->validated()),
+            $request->validated('timezone'),
+        );
+    }
+}

app/Domains/Commerce/Sale/Requests/AdminAppSaleIndexRequest.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace App\Domains\Sale\Requests;
+
+use App\Domains\Purchase\Models\Purchase;
+use Illuminate\Foundation\Http\FormRequest;
+use Illuminate\Validation\Rule;
+
+class AdminAppSaleIndexRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    /** @return array<string, list<string>> */
+    public function rules(): array
+    {
+        return [
+            'q' => ['sometimes', 'nullable', 'string', 'max:255'],
+            'id' => ['sometimes', 'nullable', 'integer', 'min:1'],
+            'sale_date' => ['sometimes', 'nullable', 'date_format:Y-m-d'],
+            'status' => ['sometimes', 'nullable', 'string', Rule::in(Purchase::adminStatusCodes())],
+            'sort_by' => ['sometimes', 'string', 'in:id,date,customer_name,quantity,status,total'],
+            'sort_direction' => ['sometimes', 'string', 'in:asc,desc'],
+            'page' => ['sometimes', 'integer', 'min:1'],
+            'per_page' => ['sometimes', 'integer', 'min:1', 'max:100'],
+        ];
+    }
+}

app/Domains/Commerce/Sale/Requests/AdminAppSaleModificationIndexRequest.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace App\Domains\Sale\Requests;
+
+class AdminAppSaleModificationIndexRequest extends AdminAppSaleIndexRequest
+{
+    /** @return array<string, list<string>> */
+    public function rules(): array
+    {
+        $rules = parent::rules();
+
+        unset($rules['sort_by'], $rules['sort_direction']);
+
+        return $rules;
+    }
+}

app/Domains/Commerce/Sale/Requests/AdminAppSaleModificationPdfRequest.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace App\Domains\Sale\Requests;
+
+use App\Domains\Shared\Rules\ValidTimezone;
+
+class AdminAppSaleModificationPdfRequest extends AdminAppSaleModificationIndexRequest
+{
+    /** @return array<string, list<string>> */
+    public function rules(): array
+    {
+        return [
+            ...parent::rules(),
+            'timezone' => ['required', 'string', new ValidTimezone],
+        ];
+    }
+}

app/Domains/Commerce/Sale/Requests/AdminAppSalePdfRequest.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace App\Domains\Sale\Requests;
+
+use App\Domains\Shared\Rules\ValidTimezone;
+
+class AdminAppSalePdfRequest extends AdminAppSaleIndexRequest
+{
+    /** @return array<string, list<string>> */
+    public function rules(): array
+    {
+        return [
+            ...parent::rules(),
+            'timezone' => ['required', 'string', new ValidTimezone],
+        ];
+    }
+}

app/Domains/Commerce/Sale/Resources/AdminApp/SaleDetailResource.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace App\Domains\Sale\Resources\AdminApp;
+
+use App\Domains\Purchase\Models\Purchase;
+use App\Domains\Purchase\Models\PurchaseItem;
+use Illuminate\Http\Request;
+use Illuminate\Http\Resources\Json\JsonResource;
+
+/** @mixin Purchase */
+class SaleDetailResource extends JsonResource
+{
+    /** @return array<string, mixed> */
+    public function toArray(Request $request): array
+    {
+        return [
+            'id' => $this->id,
+            'items' => $this->items->map(fn (PurchaseItem $item): array => [
+                'id' => $item->id,
+                'product' => $item->item_nombre,
+                'event_dates' => $this->eventDates($item),
+                'quantity' => (int) $item->cantidad,
+                'unit_price' => $this->formatMoney($item->precio_unitario),
+                'total' => $this->formatMoney($item->total),
+            ])->values(),
+            'total' => $this->formatMoney($this->total),
+        ];
+    }
+
+    /** @return list<string> */
+    private function eventDates(PurchaseItem $item): array
+    {
+        return collect($item->variant_attributes ?? [])
+            ->filter(fn (mixed $attribute): bool => is_array($attribute)
+                && mb_strtolower(trim((string) ($attribute['name'] ?? ''))) === 'fecha')
+            ->flatMap(function (array $attribute): array {
+                $value = $attribute['value'] ?? [];
+
+                return is_array($value) ? $value : [$value];
+            })
+            ->filter(fn (mixed $date): bool => is_string($date) && $date !== '')
+            ->values()
+            ->all();
+    }
+
+    private function formatMoney(float|int|string|null $amount): string
+    {
+        return number_format((float) ($amount ?? 0), 2, '.', '');
+    }
+}