feat: implement delete functionality for accommodations, entries, foods, and merchandise; enhance related services and tests

app/Domains/Catalog/Services/CatalogService.php

@@ -305,6 +305,39 @@ class CatalogService
         });
     }
 
+    public function deleteVariant(Variant $variant): void
+    {
+        DB::transaction(function () use ($variant): void {
+            $variant = Variant::query()
+                ->with('attachments')
+                ->lockForUpdate()
+                ->findOrFail($variant->getKey());
+            $catalogItem = CatalogItem::query()
+                ->lockForUpdate()
+                ->findOrFail($variant->catalog_item_id);
+            $attachments = $variant->attachments;
+            $inventoryId = $variant->inventory_id;
+
+            $variant->attachments()->detach();
+            $variant->delete();
+            Inventory::query()->whereKey($inventoryId)->delete();
+
+            $minimumPrice = $catalogItem->variants()->min('precio');
+
+            if ($minimumPrice === null) {
+                $this->delete($catalogItem);
+            } else {
+                $catalogItem->update(['precio' => $minimumPrice]);
+            }
+
+            foreach ($attachments as $attachment) {
+                if (! DB::table('catalog_items_attachments')->where('attachment_id', $attachment->id)->exists()) {
+                    $this->attachmentService->delete($attachment);
+                }
+            }
+        });
+    }
+
     private function createInventory(int $realStock): Inventory
     {
         return Inventory::query()->create([