Show “Out of Stock” when all variants are out of stock on the shop page

app/Constants/Hooks/CustomHookNames.php

@@ -7,4 +7,7 @@ class CustomHookNames
     public const ECOMMERCE_PAYMENT_PROVIDERS = 'kirki_ecommerce_payment_providers';
     public const USER_EMAIL_VERIFIED = 'kecom_user_email_verified';
     public const CONFIG_DATA = 'kecom_config_data';
+    public const ACCOUNT_ROUTE_CONFIG = 'kecom_account_route_config';
+    public const ACCOUNT_MENU_ITEMS = 'kecom_account_menu_items';
+    public const SITE_PAGES = 'kecom_site_pages';
 }

app/Resources/Site/Shop/ShopProductResource.php

@@ -46,7 +46,7 @@ public function to_array(): array
 
         $has_variants = (bool) $this->has_variants;
         $variant_id   = intval($variant->id);
-        $out_of_stock = $this->resolve_stock_status($variant_id);
+        $out_of_stock = ! $this->resolve_has_stock($variants);
         $pricing      = $this->resolve_pricing($variant, $variants, $has_variants);
         $is_wishlisted = app(WishlistService::class)->is_wishlisted($variant_id);
 
@@ -138,15 +138,23 @@ private function resolve_variant_price_range($variants, $display_currency = null
     }
 
     /**
-     * Check whether the given variant is out of stock.
+     * Check any variant is in stock.
      *
-     * @param int $variant_id
+     * @param Collection $variants variants.
      *
      * @return bool
      */
-    private function resolve_stock_status(int $variant_id): bool
+    private function resolve_has_stock(Collection $variants): bool
     {
-        return ! app()->make(InventoryService::class)->has_stock($variant_id, 1);
+        $has_stock = false;
+        $inventory_service = app()->make(InventoryService::class);
+        foreach ($variants as $variant) {
+            if ($inventory_service->has_stock($variant->id, 1)) {
+                $has_stock = true;
+                break;
+            }
+        }
+        return $has_stock;
     }
 
     /**

app/Supports/Utils.php

@@ -11,6 +11,7 @@
 
 namespace Kirki\Ecommerce\App\Supports;
 
+use Kirki\Ecommerce\App\Constants\Hooks\CustomHookNames;
 use Kirki\Ecommerce\App\Constants\Order\FulfillmentStatus;
 use Kirki\Ecommerce\App\Constants\Order\PaymentStatus;
 use Kirki\Ecommerce\App\Constants\PageKeys;
@@ -73,7 +74,7 @@ public static function get_site_pages()
             $pages['advance.pages.' . $key] = $name;
         }
 
-        $pages = apply_filters('kirki_ecommerce_site_pages', $pages);
+        $pages = apply_filters(CustomHookNames::SITE_PAGES, $pages);
 
         return $pages;
     }
@@ -167,7 +168,7 @@ public static function get_account_route_config()
             ],
         ];
 
-        $route_config = apply_filters('kirki_ecommerce_account_route_config', $route_config);
+        $route_config = apply_filters(CustomHookNames::ACCOUNT_ROUTE_CONFIG, $route_config);
 
         return $route_config;
     }
@@ -190,7 +191,7 @@ public static function get_account_menu_items()
             }
         }
 
-        $menu_items = apply_filters('kirki_ecommerce_account_menu_items', $menu_items);
+        $menu_items = apply_filters(CustomHookNames::ACCOUNT_MENU_ITEMS, $menu_items);
 
         return $menu_items;
     }