feat: add brand and category relationships to products, update requests and resources, and seed product catalog from images

app/Domains/Catalog/Services/ProductService.php

@@ -37,7 +37,7 @@ class ProductService
                 $this->syncProductImages($product, $images);
             }
 
-            return $product->load(['attributes', 'attachments']);
+            return $product->load(['attributes', 'attachments', 'brand', 'category']);
         });
     }
 
@@ -68,7 +68,7 @@ class ProductService
                 $this->syncProductImages($product, $images);
             }
 
-            return $product->load(['attributes', 'attachments']);
+            return $product->load(['attributes', 'attachments', 'brand', 'category']);
         });
     }
 
@@ -79,6 +79,7 @@ class ProductService
     {
         DB::transaction(function () use ($product) {
             foreach ($product->variants as $variant) {
+                $this->deleteVariantAttachments($variant);
                 $product->deleteVariant($variant);
             }
 
@@ -108,7 +109,7 @@ class ProductService
             $variant = $product->createVariant($data);
 
             if (! empty($images)) {
-                $this->syncImages($variant, $images);
+                $this->syncVariantImages($variant, $images);
             }
 
             return $variant->load(['product', 'definitions.attribute', 'attachments']);
@@ -132,7 +133,7 @@ class ProductService
             $updatedVariant = $product->updateVariant($variant, $data);
 
             if ($hasImages) {
-                $this->syncImages($updatedVariant, $images);
+                $this->syncVariantImages($updatedVariant, $images);
             }
 
             return $updatedVariant->load(['product', 'definitions.attribute', 'attachments']);
@@ -147,6 +148,7 @@ class ProductService
         DB::transaction(function () use ($variant) {
             /** @var Product $product */
             $product = $variant->product;
+            $this->deleteVariantAttachments($variant);
             $product->deleteVariant($variant);
         });
     }
@@ -183,14 +185,9 @@ class ProductService
      *
      * @param array<int, UploadedFile|string> $images
      */
-    protected function syncImages(ProductVariant $variant, array $images): void
+    protected function syncVariantImages(ProductVariant $variant, array $images): void
     {
-        // Detach pivot record and delete attachment from S3 and database
-        $existing = $variant->attachments()->get();
-        $variant->attachments()->detach();
-        foreach ($existing as $attachment) {
-            $this->attachmentService->delete($attachment);
-        }
+        $this->deleteVariantAttachments($variant);
 
         $attachmentIds = [];
 
@@ -205,7 +202,7 @@ class ProductService
     /**
      * Upload a list of image files/base64 strings and sync them to a product.
      *
-     * Same logic as syncImages but for products without variants.
+     * Same logic as syncVariantImages but for products without variants.
      *
      * @param array<int, UploadedFile|string> $images
      */
@@ -228,6 +225,16 @@ class ProductService
         $product->attachments()->sync($attachmentIds);
     }
 
+    protected function deleteVariantAttachments(ProductVariant $variant): void
+    {
+        $existing = $variant->attachments()->get();
+        $variant->attachments()->detach();
+
+        foreach ($existing as $attachment) {
+            $this->attachmentService->delete($attachment);
+        }
+    }
+
     /**
      * Delete an attribute.
      */