feat: implement polymorphic relationships for group items to support bundles and product variants

app/Domains/Catalog/Requests/StoreFeaturedVariantRequest.php

@@ -2,7 +2,10 @@
 
 namespace App\Domains\Catalog\Requests;
 
+use App\Domains\Bundle\Models\Bundle;
+use App\Domains\Catalog\Models\ProductVariant;
 use Illuminate\Foundation\Http\FormRequest;
+use Illuminate\Validation\Rule;
 
 class StoreFeaturedVariantRequest extends FormRequest
 {
@@ -14,8 +17,25 @@ class StoreFeaturedVariantRequest extends FormRequest
     public function rules(): array
     {
         return [
-            'product_variant_id' => ['required', 'integer'],
+            'groupable_type' => ['required', 'string', Rule::in(['variant', 'bundle'])],
+            'groupable_id' => [
+                'required',
+                'integer',
+                Rule::exists(match ($this->input('groupable_type')) {
+                    'bundle' => 'bundles',
+                    default => 'productos_variantes',
+                }, 'id'),
+            ],
             'order' => ['nullable', 'integer'],
         ];
     }
+
+    public function mappedGroupableType(): string
+    {
+        return match ($this->input('groupable_type')) {
+            'variant' => ProductVariant::class,
+            'bundle' => Bundle::class,
+            default => throw new \InvalidArgumentException('Invalid groupable type'),
+        };
+    }
 }