Baikal\AdminBundle\Controller\User\FormController::editAction PHP Метод

    public function editAction(Request $request, User $user)
    {
        $principalidentity = $user->getIdentityPrincipal();
        $data = array('displayname' => $principalidentity->getDisplayname(), 'email' => $principalidentity->getEmail(), 'roles' => $user->getRoles());
        $form = $this->get('form.factory')->create(new FormType\User\EditUserType());
        $form->setData($data);
        $form->handleRequest($request);
        if ($form->isValid()) {
            $data = $form->getData();
            $em = $this->getDoctrine()->getManager();
            # Persisting identity principal
            $principalidentity->setDisplayname($data['displayname']);
            $principalidentity->setEmail($data['email']);
            $em->persist($principalidentity);
            # Persisting user if password changed
            if (!is_null($data['password'])) {
                $password = $data['password'];
                $user->setPassword($this->get('security.encoder_factory')->getEncoder($user)->encodePassword($password, $user->getSalt()));
            }
            # Persisting user roles
            $user->setRoles($data['roles']);
            $em->persist($user);
            $em->flush();
            $this->get('session')->getFlashBag()->add('notice', 'User <i class="fa fa-user"></i> <strong>' . htmlspecialchars($user->getUsername()) . '</strong> has been updated.');
            return $this->redirect($this->generateUrl('baikal_admin_user_list'));
        }
        return $this->render('BaikalAdminBundle:User:form.html.twig', array('user' => $user, 'form' => $form->createView()));
    }