class DefaultController extends Controller
{
    /**
     * Lists all File entities.
     *
     * @Route("/", name="homepage")
     * @Template()
     */
    public function indexAction()
    {
        $em = $this->getDoctrine()->getEntityManager();
        $entities = $em->getRepository('MyFrontendBundle:File')->findAll();
        return array('entities' => $entities);
    }

    /**
     * Finds and displays a File entity.
     *
     * @Route("/download/{filename}", name="file_show")
     */
    public function showAction($filename)
    {
        $em = $this->getDoctrine()->getEntityManager();
        $entity = $em->getRepository('MyFrontendBundle:File')
                     ->findOneByFilename($filename);

        if (!$entity) {
            throw $this->createNotFoundException('Unable to find File entity.');
        }

        $response = new Response();
        $response->setContent(base64_decode($entity->getContents()));
        $response->setStatusCode(200);
        $response->headers->set('Content-Type', $entity->getMime());
        return $response;

    }

}

Listing 29.2. Dwie akcje kontrolera DefaultController

Rozdział 29. Udostępnianie plików binarnych