Merge pull request #144 from dystcz/feature/update-is-purchasable-action

Update IsPurchasable action to make use of availability enum

src/Domain/Products/Actions/IsPurchasable.php

@@ -4,7 +4,6 @@
 
 use Dystcz\LunarApi\Domain\Products\Enums\Availability;
 use Dystcz\LunarApi\Domain\Products\Models\Product;
-use Dystcz\LunarApi\Domain\ProductVariants\Models\ProductVariant;
 use Illuminate\Support\Facades\Cache;
 
 class IsPurchasable
@@ -15,23 +14,13 @@ class IsPurchasable
     public function __invoke(Product $product, bool $skipCache = false): bool
     {
         if ($skipCache) {
-            return $this->atLeastOneVariantPurchasable($product);
+            return Availability::of($product)->purchasable();
         }
 
         return Cache::remember(
             "product-{$product->id}-purchasable",
             3600,
-            fn () => $this->atLeastOneVariantPurchasable($product),
+            fn () => Availability::of($product)->purchasable(),
         );
     }
-
-    /**
-     * Determine if at least one variant of the product is available.
-     */
-    protected function atLeastOneVariantPurchasable(Product $product): bool
-    {
-        return $product->variants->reduce(function (bool $carry, ProductVariant $variant) {
-            return $carry || Availability::of($variant)->purchasable();
-        }, false);
-    }
 }