/**
  * @Route("/", name="homepage")
  */
 public function indexAction(Request $request)
 {
     $channel = new Channel();
     $channel->setName('Write a blog post');
     $channel->setDescription('');
     return $this->render('default/index.html.twig', ['base_dir' => realpath($this->getParameter('kernel.root_dir') . '/..')]);
 }
 /**
  * @Route("/channel/create", name="channel_create")
  */
 public function createChannelAction()
 {
     $request = Request::createFromGlobals();
     $name = $request->request->get('name');
     $description = $request->request->get('description');
     $stream = $request->request->get('stream');
     $channel = new Channel();
     $channel->setName($name);
     $channel->setStream($stream);
     $channel->setDescription($description);
     $em = $this->getDoctrine()->getManager();
     $em->persist($channel);
     $em->flush();
     return $this->redirectToRoute('channel_show');
 }