/**
  * @Route("/set-private-{year}-confirm/{token}", requirements={"year" = "\d+"}, name="placements_setprivate_confirm")
  */
 public function setPrivateConfirmAction(Year $year, $token)
 {
     $csrf = $this->get('form.csrf_provider');
     if (!$csrf->isCsrfTokenValid('setprivate_placements', $token)) {
         $this->get('session')->getFlashBag()->add('error', 'Token invalide !');
         return $this->redirect($this->generateUrl('placement_list_year', array('year' => $year->getYear())));
     }
     $em = $this->getDoctrine()->getManager();
     $year->setPlacementsPublic(false);
     $em->flush();
     return $this->redirect($this->generateUrl('placement_list_year', array('year' => $year->getYear())));
 }