public function actionCreate() {
    
        $err = true;

        $model = new Category();
        if (isset($_POST['Category'])) {
            $model->attributes = $_POST['Category'];

            if ($model->validate()) {

                if (!empty($model->parent_id)) {
                    
                    $parent = $this->loadModel($model->parent_id);
                    if ($model->appendTo($parent)) {
                        $model->refresh();
                        $err = false;
                    }

                } else {
                    if($model->saveNode()   && $model->storeTypeAttributes(Yii::app()->getRequest()->getPost('attributes', []))){
                        $err = false;
                    }
                }

                if ($err) {
                    $this->addFlashMessage($model->errors,'error');
                } else {
                    $this->redirect(Yii::app()->createAbsoluteUrl('catalog/admin/default'));
                }
            } else {
                $this->addFlashMessage($model->errors,'error');
            }
        }

        $this->render('_form', array('model' => $model));
    }