public function loginAction()
 {
     $data['null'] = '';
     if ($this->getPostData('login')) {
         $input = $this->getPostData();
         if (Model::CheckUser('user', $input['name'], $input['password'])) {
             $data['user'] = $this->app['session']->set('user', $input['name']);
             return $this->redirect('index');
         } else {
             $data['notification_login'] = "******";
         }
     }
     return $this->render('default/home/login.html.twig', $data);
 }