/**
     * @Rest\Post("/answer")
     */
    public function postAnswerAction(Request $request)
    {
        $answer = new Answer();

        $data = $request->request->all();
        $em = $this->getDoctrine()->getManager();
        foreach ($data as $item) {

            $form = $this->createForm(AnswerType::class, $answer);
            $form->submit($item);
            if ($form->isSubmitted() && $form->isValid()) {
                $em->persist($answer);
            }

        }
        $em->flush();
        return $this->handleView(
            $form->getErrors(true)->count() > 0
                ? $this->view($form->getErrors(true))
                : $this->view(['status' => 'created']
                , Response::HTTP_CREATED, ['Access-Control-Allow-Origin' => '*'])
        );
    }