/**
  * Adding new forum.
  * @param integer $cid parent category ID
  * @return string|\yii\web\Response
  */
 public function actionNewForum($cid = null)
 {
     $category = Category::findOne((int) $cid);
     if (empty($category)) {
         $this->error(Yii::t('podium/flash', 'Sorry! We can not find Category with this ID.'));
         return $this->redirect(['admin/categories']);
     }
     if (User::can(Rbac::PERM_CREATE_FORUM)) {
         $model = new Forum();
         $model->category_id = $category->id;
         $model->visible = 1;
         $model->sort = 0;
         if ($model->load(Yii::$app->request->post()) && $model->save()) {
             Log::info('Forum added', $model->id, __METHOD__);
             $this->success(Yii::t('podium/flash', 'New forum has been created.'));
             return $this->redirect(['admin/forums', 'cid' => $category->id]);
         } else {
             return $this->render('forum', ['model' => $model, 'forums' => Forum::find()->where(['category_id' => $category->id])->orderBy(['sort' => SORT_ASC, 'id' => SORT_ASC])->all(), 'categories' => Category::find()->orderBy(['sort' => SORT_ASC, 'id' => SORT_ASC])->all()]);
         }
     } else {
         $this->error(Yii::t('podium/flash', 'You are not allowed to perform this action.'));
         return $this->redirect(['admin/forums', 'cid' => $category->id]);
     }
 }
 /**
  * Adding new forum.
  * @param integer $cid parent category ID
  * @return string|\yii\web\Response
  */
 public function actionNewForum($cid = null)
 {
     $category = Category::findOne((int) $cid);
     if (empty($category)) {
         $this->error('Sorry! We can not find Category with this ID.');
         return $this->redirect(['admin/categories']);
     }
     $model = new Forum();
     $model->category_id = $category->id;
     $model->visible = 1;
     $model->sort = 0;
     if ($model->load(Yii::$app->request->post()) && $model->save()) {
         Log::info('Forum added', !empty($model->id) ? $model->id : '', __METHOD__);
         $this->success('New forum has been created.');
         return $this->redirect(['admin/forums', 'cid' => $category->id]);
     } else {
         return $this->render('forum', ['model' => $model, 'forums' => Forum::find()->where(['category_id' => $category->id])->orderBy(['sort' => SORT_ASC, 'id' => SORT_ASC])->all(), 'categories' => Category::find()->orderBy(['sort' => SORT_ASC, 'id' => SORT_ASC])->all()]);
     }
 }