/**
  * @Route("/user/challenge/{slug}", name="challenge", requirements={"slug": "\d+"})
  */
 public function challengeAction(Request $request, $slug)
 {
     $player = $this->getDoctrine()->getRepository('AppBundle:User')->find($slug);
     $lostMatches = $this->getDoctrine()->getRepository('AppBundle:User')->getLostMatches($slug);
     $wonMatches = $this->getDoctrine()->getRepository('AppBundle:User')->getWonMatches($slug);
     $challenge = new Challenge();
     $message = new Message();
     $user = $this->getUser();
     $tokenStorage = $this->container->get('security.token_storage');
     $form = $this->createForm(new ChallengeType($tokenStorage), $challenge);
     $form->handleRequest($request);
     if ($form->isValid()) {
         $data = $form->getData();
         $challenge->setPlayer1($user->getId());
         $challenge->setPlayer2($request->get('player2'));
         $challenge->setPublishedDate(new \DateTime('now'));
         $challenge->setClub($data->getClub()->getId());
         $message->setSenderId($user->getId());
         $message->setReceiverId($request->get('player2'));
         $message->setStatus(0);
         $message->setMessage($data->getMessage());
         $message->setDate(new \DateTime('now'));
         try {
             //Saving Challenge in the DataBase
             $em = $this->getDoctrine()->getManager();
             $em->persist($challenge);
             $em->flush();
             $message->setType($challenge->getId());
             $em->persist($message);
             $em->flush();
             $this->addFlash('notice', 'Your request was sent correctly.');
             return $this->render('user/challenge_notification.html.twig', array('icon' => "fa fa-check fa-2x", 'class' => "text-success"));
         } catch (Exception $e) {
             $this->addFlash('error', 'Something went wrong!');
             return $this->render('user/challenge_notification.html.twig', array('icon' => "fa fa-exclamation-circle fa-2x", 'class' => "text-danger"));
         }
     }
     return $this->render('user/user_challenge.html.twig', array('form' => $form->createView(), 'slug' => $slug, 'player' => $player, 'won' => $wonMatches, 'lost' => $lostMatches));
 }