/**
  * @Route("/order/checkout")
  */
 public function checkoutAction(Request $request)
 {
     $session = $request->getSession();
     $cart = $session->get('cart', []);
     $order = new Order();
     $order->setDate(new \DateTime());
     $order->setStatus(Order::STATUS_PENDING);
     $order->setCustomer($this->get('security.token_storage')->getToken()->getUser());
     $service = $this->get('ProductService');
     $items = new ArrayCollection();
     foreach ($cart as $product) {
         $item = new Item();
         $item->setProduct($service->getProduct($product['id']));
         $item->setQuantity($product['quantity']);
         $items->add($item);
     }
     $order->setItems($items);
     $em = $this->getDoctrine()->getEntityManager();
     $em->persist($order);
     $em->flush();
     $session->remove('cart');
     return $this->render('order/checkout.html.twig', ['order' => $order]);
 }