feat(catalog): exclude out-of-stock items and update variant visibility logic

app/Domains/Catalog/Models/CatalogItem.php

@@ -172,17 +172,29 @@ class CatalogItem extends Model
     }
 
     /** @param Builder<CatalogItem> $query */
-    public function scopeWhereVariantsAvailable(Builder $query): Builder
+    public function scopeWhereAvailable(Builder $query): Builder
     {
         return $query->where(function (Builder $query): void {
             $query
-                ->whereDoesntHave('variants')
-                ->orWhere('catalog_items.inventory_policy', InventoryPolicy::Unlimited->value)
+                ->where('catalog_items.inventory_policy', InventoryPolicy::Unlimited->value)
                 ->orWhereHas(
                     'variants.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')
+                                );
+                        });
+                });
         });
     }
 

app/Domains/Catalog/Resources/CatalogFeaturedItemResource.php

@@ -46,7 +46,7 @@ class CatalogFeaturedItemResource extends JsonResource
                 $availableStock,
                 $remainingUserQuota,
             ),
-            'variants' => $catalogItem->variants
+            'variants' => $catalogItem->visibleVariants()
                 ->map(function (Variant $variant) use ($catalogItem, $remainingUserQuota): array {
                     $variantStock = $catalogItem->inventory_policy === InventoryPolicy::Unlimited
                         ? null
@@ -115,7 +115,7 @@ class CatalogFeaturedItemResource extends JsonResource
     private function firstImageUrl(CatalogItem $catalogItem): ?string
     {
         $attachment = $catalogItem->attachments->first()
-            ?? $catalogItem->variants
+            ?? $catalogItem->visibleVariants()
                 ->flatMap(fn (Variant $variant) => $variant->attachments)
                 ->first();
 

app/Domains/Catalog/Resources/CatalogSearchItemResource.php

@@ -16,8 +16,9 @@ class CatalogSearchItemResource extends JsonResource
     public function toArray(Request $request): array
     {
         $availableStock = $this->availableStock();
+        $visibleVariants = $this->visibleVariants();
         $attachment = $this->attachments->first()
-            ?? $this->variants
+            ?? $visibleVariants
                 ->flatMap(fn (Variant $variant) => $variant->attachments)
                 ->first();
 
@@ -30,7 +31,7 @@ class CatalogSearchItemResource extends JsonResource
             'image' => $attachment?->getTemporaryUrl(1440),
             'maximum_addable_quantity' => $this->maximumAddable($availableStock),
             'unavailable_message' => $this->unavailableMessage($availableStock),
-            'variants' => $this->variants
+            'variants' => $visibleVariants
                 ->map(function (Variant $variant): array {
                     $variantStock = $this->inventory_policy === InventoryPolicy::Unlimited
                         ? null

app/Domains/Catalog/Services/CatalogService.php

@@ -205,6 +205,13 @@ class CatalogService
         ]);
 
         $visibleVariants = $catalogItem->visibleVariants();
+        if ($catalogItem->type === CatalogItemType::Standard
+            && ($catalogItem->inventory_id !== null || $catalogItem->variants->isNotEmpty())
+            && ! $catalogItem->isAvailable()) {
+            throw new NotFoundHttpException('Catalog item is out of stock.');
+        }
+
+        $catalogItem->setRelation('variants', $visibleVariants);
         $selectedVariant = $variantId === null
             ? $visibleVariants->first()
             : $visibleVariants->firstWhere('id', $variantId);
@@ -231,6 +238,7 @@ class CatalogService
 
         $paginator = CatalogItem::query()
             ->where('tenant_code', $tenant->codigo)
+            ->whereAvailable()
             ->where(function (Builder $query) use ($containsPattern): void {
                 $query
                     ->whereRaw('LOWER(nombre) LIKE ?', [$containsPattern])
@@ -280,6 +288,7 @@ class CatalogService
         return CatalogItem::query()
             ->where('tenant_code', $tenant->codigo)
             ->where('category_id', $category->id)
+            ->whereAvailable()
             ->with([
                 'attachments',
                 'inventory',

app/Domains/Catalog/Services/FeaturedGroupService.php

@@ -49,6 +49,7 @@ class FeaturedGroupService
     {
         $query = CatalogItem::query()
             ->where('catalog_items.tenant_code', $featuredGroup->tenant_code)
+            ->whereAvailable()
             ->where(function (Builder $query): void {
                 $query
                     ->whereDoesntHave('category')