public function remiseAction(Reservation $reservation)
 {
     $user = $this->get('security.context')->getToken()->getUser();
     $em = $this->getDoctrine()->getManager();
     $session = $this->getRequest()->getSession();
     if ($user->getId() == $reservation->getResponsable()->getId()) {
         $remise = abs($this->getRequest()->get("remise"));
         $em->persist($reservation->setRemise($remise));
         $em->flush();
         $session->getFlashBag()->add('success', "Votre Remise a été modifié avec succés ");
     }
     return $this->redirect($this->generateUrl('back_programmes_reservation_consulter', array('id' => $reservation->getId())));
 }