feat: refactor cart and bundle handling to support Buyable interface for improved flexibility

app/Domains/Catalog/Models/ProductVariant.php

@@ -4,6 +4,7 @@ namespace App\Domains\Catalog\Models;
 
 use App\Domains\Attachable\Models\Attachment;
 use App\Domains\Catalog\Enums\InventoryPolicy;
+use App\Domains\Shared\Contracts\Buyable;
 use Illuminate\Database\Eloquent\Attributes\Fillable;
 use Illuminate\Database\Eloquent\Casts\Attribute;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
@@ -12,10 +13,6 @@ use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Illuminate\Database\Eloquent\Relations\BelongsToMany;
 use Illuminate\Database\Eloquent\Relations\HasMany;
 
-use Illuminate\Database\Eloquent\Casts\Attribute;
-
-use App\Domains\Shared\Contracts\Stockable;
-
 #[Fillable([
     'producto_id',
     'inventory_policy',
@@ -27,7 +24,7 @@ use App\Domains\Shared\Contracts\Stockable;
     'minimum_use_date',
     'maximum_use_date',
 ])]
-class ProductVariant extends Model implements Stockable
+class ProductVariant extends Model implements Buyable
 {
     use HasFactory;
 
@@ -91,6 +88,28 @@ class ProductVariant extends Model implements Stockable
         return ! $this->tracksInventory() || $this->availableQuantity() > 0;
     }
 
+    public function getPrice(): float
+    {
+        return (float) ($this->product->precio ?? 0.0);
+    }
+
+    public function getName(): string
+    {
+        $name = $this->product?->nombre ?? 'Producto';
+
+        if ($this->relationLoaded('definitions') && $this->definitions->isNotEmpty()) {
+            $definitions = $this->definitions->map(function ($def) {
+                return $def->value ?? $def->productAttribute?->attribute?->nombre;
+            })->filter()->implode(', ');
+
+            if ($definitions !== '') {
+                $name .= " ({$definitions})";
+            }
+        }
+
+        return $name;
+    }
+
     public function reserveStock(int $amount): void
     {
         if ($amount < 0) {