feat: implement product management module with CRUD operations, service layer, and validation logic

app/Domains/Catalog/Controllers/ProductController.php

@@ -29,16 +29,12 @@ class ProductController extends Controller
         return ProductResource::make($product)->response()->setStatusCode(201);
     }
 
-    public function show(Tenant $tenant, Product $producto): ProductResource
+    public function show(Tenant $tenant, Product $producto, ProductService $productService): ProductResource
     {
         $producto = $this->resolveScopedProduct($tenant, $producto);
+        $producto = $productService->getProductDetail($tenant, $producto);
 
-        return ProductResource::make($producto->load([
-            'attachments',
-            'brand',
-            'category',
-            'attributes.options',
-        ]));
+        return ProductResource::make($producto);
     }
 
     public function update(UpdateProductRequest $request, Tenant $tenant, Product $producto, ProductService $productService): ProductResource

app/Domains/Catalog/Models/Product.php

@@ -27,7 +27,8 @@ class Product extends Model
     use HasFactory;
 
     protected $table = 'productos';
-
+    
+    protected ?ProductVariant $defaultVariant = null;
     protected function casts(): array
     {
         return [
@@ -274,4 +275,16 @@ class Product extends Model
         $attribute->options()->delete();
         $attribute->delete();
     }
+
+    
+
+    public function setDefaultVariant(ProductVariant $variant): void
+    {
+        $this->defaultVariant = $variant;
+    }
+
+    public function getDefaultVariant(): ?ProductVariant
+    {
+        return $this->defaultVariant;
+    }
 }

app/Domains/Catalog/Resources/ProductResource.php

@@ -32,6 +32,22 @@ class ProductResource extends JsonResource
                     ->values()
             ),
             'attributes' => AttributeResource::collection($this->whenLoaded('attributes')),
+            'variants' => ProductVariantResource::collection($this->whenLoaded('variants')),
+            'default_variant' => $this->when(
+                $this->getDefaultVariant() !== null,
+                function () {
+                    $defaultVariant = $this->getDefaultVariant();
+                    return [
+                        'variant_id' => $defaultVariant->id,
+                        'images' => $defaultVariant->attachments->isNotEmpty()
+                            ? $defaultVariant->attachments->map(fn ($attachment) => $attachment->getTemporaryUrl(1440))->values()
+                            : $this->attachments->map(fn ($attachment) => $attachment->getTemporaryUrl(1440))->values(),
+                        'attributes' => $defaultVariant->definitions->mapWithKeys(function ($definition) {
+                            return [$definition->attribute?->codigo => $definition->value];
+                        })->toArray(),
+                    ];
+                }
+            ),
         ];
     }
 }

app/Domains/Catalog/Services/ProductService.php

@@ -277,4 +277,27 @@ class ProductService
 
         return $products;
     }
+
+    public function getProductDetail(Tenant $tenant, Product $product): Product
+    {
+        $product->load([
+            'attachments',
+            'brand',
+            'category',
+            'attributes.options',
+        ]);
+
+        $defaultVariant = $product->variants()
+            ->with([
+                'attachments',
+                'definitions.attribute.options',
+            ])
+            ->first();
+
+        if ($defaultVariant) {
+            $product->setDefaultVariant($defaultVariant);
+        }
+
+        return $product;
+    }
 }