/**
  * @Post("/boats/pay/{boat}")
  * @ParamConverter("boat", class="Xaj\ErgoBundle\Entity\Boat", options={"id" = "boat"})
  * @View()
  *
  * @Security("has_role('ROLE_USER')")
  */
 public function payBoatAction(Boat $boat)
 {
     $em = $this->getDoctrine()->getManager();
     $boat->setPayment(true);
     $em->persist($boat);
     $em->flush();
     return $boat;
 }