public function onSuccess(Film $film, \RNC\UserBundle\Entity\User $user)
 {
     /* à modifier */
     $film->setUser($user);
     $rep = $this->em->getRepository('RNCFilmBundle:Status');
     $film->setStatus($rep->findOneBy(array('type' => 'waiting')));
     $rep = $this->em->getRepository('RNCFilmBundle:Category');
     $film->setCategory($rep->findOneBy(array('name' => 'none')));
     $this->em->persist($film->getProducer());
     $this->em->persist($film->getDirector());
     $this->em->persist($film->getCategory());
     $this->em->persist($film->getStatus());
     $this->em->persist($film->getUser());
     $this->em->persist($film);
     $this->em->flush();
 }