/**
     * @Route("/register", name="register")
     */
    public function registerAction(Request $request) {
        $user = new User ();
        $user->setRegisterDate ( new \DateTime () );
        $user->setNbTravel ( 0 );
        $user->setActivity ( 1 );
        $user->setRoles ( [
                "ROLE_USER"
        ] );
        $form = $this->createForm ( UserType::class, $user );

        $form->handleRequest ( $request );

        if ($form->isSubmitted () && $form->isValid ()) {

            // HASH du password
            $plainPassword = $user->getPassword ();
            $encoder = $this->container->get ( 'security.password_encoder' );
            $encoded = $encoder->encodePassword ( $user, $plainPassword );

            $user->setPassword ( $encoded );

            $em = $this->getDoctrine ()->getManager ();
            $em->persist ( $user );
            $em->flush ();

            //Envoie du message de confirmation d'inscription
            $message = \Swift_Message::newInstance()
                ->setSubject('Validation inscription')
                ->setFrom(array('isen.partacar@gmail.com' => 'PartaCar'))
                ->setTo($user->getMail())
                ->setBody(
                    $this->renderView(
                        'AppBundle:Email:simpleMail.html.twig',
                        array('user' => $user)

                    ),
            'text/html'
                )
            ;

            $this->get('mailer')->send($message);

            return $this->redirectToRoute ( 'home' );
        }

        return $this->render ( 'AppBundle:User:register.html.twig', array (
                'form' => $form->createView ()
        ) );
    }