feat: Add event association to purchases; implement event relationship in models, update migration, and enhance tests

app/Domains/Event/Models/Event.php

@@ -3,6 +3,7 @@
 namespace App\Domains\Event\Models;
 
 use App\Domains\Catalog\Models\CatalogItem;
+use App\Domains\Purchase\Models\Purchase;
 use App\Domains\Tenant\Models\Tenant;
 use Illuminate\Database\Eloquent\Attributes\Fillable;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
@@ -38,4 +39,10 @@ class Event extends Model
     {
         return $this->hasMany(CatalogItem::class);
     }
+
+    /** @return HasMany<Purchase, $this> */
+    public function purchases(): HasMany
+    {
+        return $this->hasMany(Purchase::class);
+    }
 }

app/Domains/Purchase/Models/Purchase.php

@@ -4,6 +4,7 @@ namespace App\Domains\Purchase\Models;
 
 use App\Domains\Auth\Models\User;
 use App\Domains\Cart\Models\Cart;
+use App\Domains\Event\Models\Event;
 use App\Domains\Logging\Models\Concerns\LogsValueChanges;
 use App\Domains\Purchase\Events\PurchasePaid;
 use App\Domains\Tenant\Models\Tenant;
@@ -19,6 +20,7 @@ use Illuminate\Support\Facades\DB;
 #[Fillable([
     'cart_id',
     'tenant_codigo',
+    'event_id',
     'user_id',
     'status',
     'payment_method',
@@ -70,6 +72,7 @@ class Purchase extends Model
     {
         return [
             'cart_id' => 'integer',
+            'event_id' => 'integer',
             'user_id' => 'integer',
             'expires_at' => 'datetime',
             'total' => 'decimal:2',
@@ -84,6 +87,12 @@ class Purchase extends Model
         return $this->belongsTo(Tenant::class, 'tenant_codigo', 'codigo');
     }
 
+    /** @return BelongsTo<Event, $this> */
+    public function event(): BelongsTo
+    {
+        return $this->belongsTo(Event::class);
+    }
+
     /**
      * @return BelongsTo<User, $this>
      */

app/Domains/Purchase/Resources/PurchaseResource.php

@@ -42,6 +42,7 @@ class PurchaseResource extends JsonResource
             'id' => $this->id,
             'cart_id' => $this->cart_id,
             'tenant_codigo' => $this->tenant_codigo,
+            'event_id' => $this->event_id,
             'user_id' => $this->user_id,
             'created_at' => $this->created_at,
             'status' => $this->status,

app/Domains/Purchase/Services/CheckoutService.php

@@ -26,6 +26,11 @@ class CheckoutService
     public function startCheckout(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());
+
             $directItem = $purchaseData['direct_item'] ?? null;
             $cartId = isset($purchaseData['cart_id']) ? (int) $purchaseData['cart_id'] : null;
             unset($purchaseData['direct_item'], $purchaseData['cart_id']);
@@ -615,6 +620,7 @@ class CheckoutService
             ...$purchaseData,
             'cart_id' => $cartId,
             'tenant_codigo' => $tenant->codigo,
+            'event_id' => $tenant->active_event_id,
             'user_id' => $userId,
             'status' => Purchase::STATUS_CREATED,
             'payment_method' => null,

database/migrations/2026_08_04_000100_add_event_id_to_compras_table.php

@@ -0,0 +1,26 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::table('compras', function (Blueprint $table): void {
+            $table->foreignId('event_id')
+                ->nullable()
+                ->after('tenant_codigo')
+                ->constrained('events')
+                ->nullOnDelete();
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('compras', function (Blueprint $table): void {
+            $table->dropConstrainedForeignId('event_id');
+        });
+    }
+};

tests/Feature/Purchase/StorePurchaseTest.php

@@ -11,6 +11,7 @@ use App\Domains\Catalog\Models\CatalogItem;
 use App\Domains\Catalog\Models\Category;
 use App\Domains\Catalog\Models\Inventory;
 use App\Domains\Catalog\Models\Variant;
+use App\Domains\Event\Models\Event;
 use App\Domains\Purchase\Models\Purchase;
 use App\Domains\Purchase\Services\CheckoutService;
 use App\Domains\Tenant\Models\Tenant;
@@ -33,6 +34,12 @@ class StorePurchaseTest extends TestCase
     public function test_it_creates_an_independent_purchase_snapshot_from_cart(): void
     {
         $tenant = $this->createTenant('sonder', 'Sonder', 'sonder.com.ar');
+        $event = Event::query()->create([
+            'tenant_code' => $tenant->codigo,
+            'name' => 'Sonder Fest',
+            'address' => 'Test address',
+        ]);
+        $tenant->update(['active_event_id' => $event->id]);
         $user = User::factory()->create([
             'email' => 'buyer@example.com',
         ]);
@@ -85,6 +92,7 @@ class StorePurchaseTest extends TestCase
         $response->assertJsonPath('data.nombre_apellido', null);
         $response->assertJsonPath('data.email', null);
         $response->assertJsonPath('data.tenant_codigo', 'sonder');
+        $response->assertJsonPath('data.event_id', $event->id);
         $response->assertJsonPath('data.status', Purchase::STATUS_CREATED);
         $response->assertJsonPath('data.items_source', 'purchase');
         $response->assertJsonCount(1, 'data.items');
@@ -97,6 +105,7 @@ class StorePurchaseTest extends TestCase
             'id' => $purchaseId,
             'cart_id' => $cartId,
             'tenant_codigo' => 'sonder',
+            'event_id' => $event->id,
             'user_id' => $user->id,
             'dni' => null,
             'telefono' => null,

tests/Unit/Forms/SaleFormServiceTest.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace Tests\Unit\Forms;
+
+use App\Domains\Forms\Services\SaleFormService;
+use App\Domains\Purchase\Models\Purchase;
+use PHPUnit\Framework\TestCase;
+
+class SaleFormServiceTest extends TestCase
+{
+    public function test_it_returns_every_purchase_status_as_a_form_option(): void
+    {
+        $form = (new SaleFormService)->get();
+
+        $this->assertSame(Purchase::statuses(), array_column($form['statuses'], 'code'));
+        $this->assertSame([
+            'Creada',
+            'Esperando pago',
+            'Confirmada',
+            'Cancelada',
+            'Rechazada',
+            'Vencida',
+        ], array_column($form['statuses'], 'name'));
+    }
+}