1.php

 public function create(Order $order, EntityManagerInterface $em, Request $request): Response
    {
        $shipment = new Shipment();
        /** @var OrderProduct[] $products */
        $products = $em->getRepository('App:OrderProduct')->findAllNotShippedByOrder($order);

        foreach ($products as $product) {
            $shipmentProduct = new ShipmentProduct();
            $shipmentProduct->setQuantity($product->getQuantity());
            $shipmentProduct->setOrderProduct($product);
            $shipment->addProduct($shipmentProduct);
        }

        $form = $this->createForm(ShipmentType::class, $shipment);
        $form->handleRequest($request);

        if ($form->isSubmitted() && $form->isValid()) {
            if (is_array($request->get('shipment')['products'])) {
                $checkedKeys = array_keys($request->get('shipment')['products']);
                foreach ($shipment->getProducts() as $key => $product) {
                    if (!in_array($key, $checkedKeys)) {
                        $shipment->removeProduct($product);
                    }
                }
            }

            $shipment->setOrder($order);
            $shipment->setSupplierId(Supplier::MANUAL);
            $shipment->setCurrency($em->getRepository('App:Currency')->find(Currency::USD));

            $em->persist($shipment);

            $em->flush();

            $products = $em->getRepository('App:OrderProduct')->findAllNotShippedByOrder($order);

            if (empty($products)) {
                $shipments = $em->getRepository('App:Shipment')->findAllWithoutTrackerByOrder($order);
                $order->setStatus($shipments ? Order::STATUS_MANUALLY_PROCESSED : Order::STATUS_FULFILLED);
                $em->flush();
            }

            return $this->redirectToRoute('panel_order_show', ['id' => $order->getId()]);
        }

        return $this->render('panel/shipment/create.html.twig', [
            'order' => $order,
            'products' => $products,
            'form' => $form->createView()
        ]);
    }