In between commit implementing basket

src/controller/order/Order.php

@@ -2,6 +2,10 @@
 namespace controller\order;
 
 use controller\AbstractDefaultController;
+use core\CoreInterface;
+use repository\order\OrderInterface as OrderRepositoryInterface;
+use repository\product\ProductInterface as ProductRepositoryInterface;
+use repository\product\Product as ProductRepository;
 
 /**
  *
@@ -10,15 +14,48 @@ use controller\AbstractDefaultController;
  */
 final class Order extends AbstractDefaultController implements OrderInterface
 {
-    public function addProduct(): void
-    {}
 
-    public function store(): void
+    /**
+     *
+     * @var OrderRepositoryInterface
+     */
+    protected $orderRepository;
+
+    /**
+     *
+     * @var ProductRepositoryInterface
+     */
+    protected $productRepository;
+
+    public function __construct(CoreInterface $core)
+    {
+        parent::__construct($core);
+        $this->productRepository = new ProductRepository($this->core);
+    }
+
+    private function addProduct(): void
+    {
+        $this->core->getBasket()->addProduct($this->productRepository->getById($this->post['add']));
+    }
+
+    private function store(): void
     {}
 
     public function basket(): void
     {
-        $this->render('order/basket.html.twig',['basket'=>$this->core->getBasket()]);
+        if ($this->post) {
+            $this->postRoutine();
+        }
+        $this->render('order/basket.html.twig', [
+            'basket' => $this->core->getBasket()
+        ]);
+    }
+
+    private function postRoutine(): void
+    {
+        if ($this->post['add']) {
+            $this->addProduct();
+        }
     }
 
     public function selectPaymentMethod(): void