/**
  * This is the default 'index' action that is invoked
  * when an action is not explicitly requested by users.
  */
 public function actionIndex()
 {
     // renders the view file 'protected/views/site/index.php'
     // using the default layout 'protected/views/layouts/main.php'
     $this->layout = 'sitio';
     $categorias = Categoria::model()->findAll();
     $sliders = Slider::model()->findAll();
     $ofertas = ProductoOferta::model()->with('producto')->findAll();
     $this->render('index', array('categorias' => $categorias, 'sliders' => $sliders, 'ofertas' => $ofertas));
 }
 /**
  * Returns the data model based on the primary key given in the GET variable.
  * If the data model is not found, an HTTP exception will be raised.
  * @param integer the ID of the model to be loaded
  */
 public function loadModel($id)
 {
     $model = ProductoOferta::model()->findByPk($id);
     if ($model === null) {
         throw new CHttpException(404, 'The requested page does not exist.');
     }
     return $model;
 }