protected function execute(InputInterface $input, OutputInterface $output)
 {
     $em = $this->getContainer()->get('doctrine.orm.entity_manager');
     $node = new NavigationNode();
     $node->setTitle($input->getArgument('title'));
     $em->persist($node);
     $em->flush();
 }
 public function isNodeVisibleToUser(NavigationNode $node)
 {
     if (!is_array($node->getVisibleFor())) {
         return true;
     }
     $security = $this->container->get('security.context');
     $token = $security->getToken();
     $visibleFor = $node->getVisibleFor();
     if (!$token instanceof \Symfony\Component\Security\Core\Authentication\Token\UsernamePasswordToken) {
         $roles = array('ROLE_ANONYMUS');
     } else {
         $roles = $token->getUser()->getRoles();
     }
     return count(array_intersect($visibleFor, $roles)) > 0;
 }