public function getCategoryName()
 {
     $category = Cat::findOne($this->cat_id);
     return $category->title;
 }
 public function actionIndex($catId)
 {
     return $this->render('index', ['catData' => Cat::findOne($catId), 'albenData' => Album::find()->where(['cat_id' => $catId])->orderBy(['is_highlight' => SORT_DESC, 'sort_index' => SORT_ASC])->all()]);
 }