/**
* Index action.
*
* @access public
* @param Silex\Application $app Silex application
* @param Symfony\Component\HttpFoundation\Request $request Request object
* @return string Output
*/
public function indexAction(Application $app, Request $request)
{
$photosModel = new PhotosModel($app);
$this->view['photos'] = $photosModel->getAll();
// var_dump($this->view['photos']);
return $app['twig']->render('gallery.twig', $this->view);
}