feat(catalog): expose availability policies

bootstrap/app.php

@@ -1,6 +1,7 @@
 <?php
 
 use App\Domains\Auth\Exceptions\AccountLockedException;
+use App\Domains\Catalog\Services\CatalogItemAllowanceService;
 use App\Domains\Purchase\Exceptions\InsufficientStockException;
 use App\Domains\Purchase\Exceptions\PurchaseExpiredException;
 use App\Domains\Purchase\Exceptions\PurchaseLimitExceededException;
@@ -100,7 +101,11 @@ return Application::configure(basePath: dirname(__DIR__))
                 'errors' => $exception->errors(),
                 'catalog_item_id' => $exception->catalogItemId,
                 'catalog_item_name' => $exception->catalogItemName,
-                'maximum_addable_quantity' => $exception->maximumAddableQuantity,
+                'availability' => app(CatalogItemAllowanceService::class)
+                    ->purchaseLimitExceededAvailability(
+                        $exception->maximumAddableQuantity,
+                        $exception->getMessage(),
+                    ),
             ], 422);
         });
         $exceptions->render(function (PurchaseExpiredException $exception, Request $request) {