public function load(ObjectManager $manager)
 {
     $user = new User();
     $user->setUsername('demo')->setEmail('demo@localhost')->setPlainPassword('demo')->setEnabled(true);
     $manager->persist($user);
     $tagTransformer = new TagTransformer($manager);
     $urlTransformer = new UrlTransformer($manager);
     $bookmark = new Bookmark();
     $bookmark->setUser($user)->setTitle('GitHub')->setUrl($urlTransformer->reverseTransform('https://github.com'))->addTag($tagTransformer->reverseTransform('github')[0]);
     $manager->persist($bookmark);
     $manager->flush();
 }
 /**
  * @Route("/add", name="bookmark_add")
  */
 public function addAction(Request $request)
 {
     $em = $this->getDoctrine()->getManager();
     $bookmark = new Bookmark();
     $bookmark->setUser($this->getUser());
     // Url-Parameter
     $urlParameter = $request->get('url', null);
     $titleParameter = $request->get('title', null);
     if (!is_null($urlParameter)) {
         $url = new Url();
         $url->setUrl($urlParameter);
         $bookmark->setUrl($url);
         $validator = $this->get('validator');
         $errors = $validator->validateValue($urlParameter, new Constraints\Url());
         if ($errors->count() != 0) {
             foreach ($errors as $error) {
                 $this->addFlash('danger', $error);
             }
         } else {
             $tagTransformer = new TagTransformer($em);
             $bookmark->setTitle($titleParameter);
             $url->setUrl($urlParameter);
             $tags = $tagTransformer->reverseTransform($tagTransformer->titleToTags($titleParameter));
             if (count($tags) != 0) {
                 foreach ($tags as $tag) {
                     $bookmark->addTag($tag);
                 }
             }
         }
     }
     $bookmarkForm = $this->createForm('app_bookmark', $bookmark, array('action' => $this->generateUrl('bookmark_add', array('nowindow' => $request->get('nowindow', null))), 'nowindow' => $request->get('nowindow', null)))->handleRequest($request);
     if ($bookmarkForm->isValid()) {
         $em->persist($bookmark);
         $em->flush();
         if ($bookmarkForm->has('nowindow') && !is_null($bookmarkForm->get('nowindow')->getData())) {
             return new Response('<script>window.close();</script>');
         }
         $this->addFlash('success', 'flashbag_bookmark_add_success');
         return $this->redirectToRoute('homepage');
     }
     return $this->render('Default/add.html.twig', array('bookmarkForm' => $bookmarkForm->createView()));
 }