/** * Finds the Film model based on its primary key value. * If the model is not found, a 404 HTTP exception will be thrown. * @param integer $film_id * @return Film the loaded model * @throws HttpException if the model cannot be found */ protected function findModel($film_id) { if (($model = Film::findOne($film_id)) !== null) { return $model; } else { throw new HttpException(404, 'The requested page does not exist.'); } }