/**
     * @Route("/{id}/edit", name="product_edit", methods={"GET","POST"})
     */
    public function edit(Request $request, ProductDTO $productDTO, Product $product): Response
    {
        $productDTO->setEntity($product);

        $form = $this->createForm(ProductType::class, $productDTO);
        $form->handleRequest($request);

        if ($form->isSubmitted() && $form->isValid()) {
            $entityManager = $this->getDoctrine()->getManager();
            $entityManager->persist($productDTO->commit());
            $entityManager->flush();

            $this->addFlash('success','Prodotto salvato con successo.');

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

        return $this->render('product/edit.html.twig', [
            'product' => $productDTO,
            'form' => $form->createView(),
        ]);
    }