Refactoring CartController

Controller/Order/CartController.php

 class CartController extends AbstractController
 {
     protected ProductFamilyInterface $productFamily;
+    protected int $quantityOrder = 1;
     protected array $orderProducts = [];
 
     public function addProductFamily(Request $request): JsonResponse
 
     public function addOrderProduct(OrderShopInterface $orderShop, OrderProductInterface $orderProduct): void
     {
-        $this->addOrderProductApply($orderShop, $orderProduct);
-    }
+        $this->quantityOrder = $orderProduct->getQuantityOrder();
+        $addOrderProduct = $this->getOrderShopContainer()->getBuilder()->addOrderProduct(
+                $orderShop,
+                $orderProduct
+        );
 
-    public function addOrderProductApply(OrderShopInterface $orderShop, OrderProductInterface $orderProduct): void
-    {
-        if ($orderProduct->getQuantityOrder() > 0) {
-            $addOrderProduct = $this->getOrderShopContainer()->getBuilder()->addOrderProduct(
-                    $orderShop,
-                    $orderProduct
-            );
-        }
         if (isset($addOrderProduct) && $addOrderProduct && $orderProduct->getQuantityOrder() > 0) {
             $this->orderProducts[] = $orderProduct;
         }