feat: refactor product detail retrieval to simplify variant handling and enhance response structure

app/Domains/Catalog/Resources/ProductResource.php

@@ -2,11 +2,12 @@
 
 namespace App\Domains\Catalog\Resources;
 
+use App\Domains\Catalog\Models\Product;
 use Illuminate\Http\Request;
 use Illuminate\Http\Resources\Json\JsonResource;
 
 /**
- * @mixin \App\Domains\Catalog\Models\Product
+ * @mixin Product
  */
 class ProductResource extends JsonResource
 {
@@ -23,15 +24,26 @@ class ProductResource extends JsonResource
             'nombre' => $this->nombre,
             'descripcion' => $this->descripcion,
             'precio' => $this->precio,
-            'category' => $this->whenLoaded('category', fn () =>  $this->category?->nombre),
+            'category' => $this->whenLoaded('category', fn () => $this->category?->nombre),
             'brand' => $this->whenLoaded('brand', fn () => $this->brand?->nombre),
-            'images' => $this->whenLoaded('attachments', fn () =>
-                $this->attachments
-                    ->map(fn ($attachment) => $attachment->getTemporaryUrl(1440))
-                    ->values()
+            'images' => $this->whenLoaded('attachments', fn () => $this->attachments
+                ->map(fn ($attachment) => $attachment->getTemporaryUrl(1440))
+                ->values()
             ),
             'attributes' => AttributeResource::collection($this->whenLoaded('attributes')),
-            'variants' => ProductVariantResource::collection($this->whenLoaded('variants')),
+            'variants_map' => $this->whenLoaded('variants', fn () => $this->variants
+                ->map(fn ($variant) => [
+                    'variant_id' => $variant->id,
+                    'stock' => $variant->stock,
+                    'attributes' => $variant->definitions
+                        ->mapWithKeys(fn ($definition) => [
+                            $definition->productAttribute?->attribute?->codigo => $definition->value,
+                        ])
+                        ->filter(fn ($value, $key) => $key !== null)
+                        ->toArray(),
+                ])
+                ->values()
+            ),
             'variant' => $this->when(
                 $this->getSelectedVariant() !== null,
                 fn () => ProductVariantResource::make($this->getSelectedVariant())