/**
  * @Route("/q/{quizsession}", name="ajax_start")
  */
 public function startQuizAction($quizsession, Request $request)
 {
     $session = $request->getSession();
     $em = $this->getDoctrine()->getManager();
     $quizsession = $em->getRepository('AppBundle:QuizSession')->find($quizsession);
     $attempt = new Attempt();
     $attempt->setSession($quizsession);
     $attempt->setUser($this->getUser());
     $em->persist($attempt);
     $em->flush();
     $session->set('attempt', $attempt->getId());
     return $this->redirectToRoute('ajax_solve', array('attempt' => $attempt->getId()));
 }