public function actionForums($cid = null)
    {
        $model = Category::find()->where(['id' => $cid])->limit(1)->one();
        if (empty($model)) {
            $this->error(Yii::t('podium/flash', 'Sorry! We can not find Category with this ID.'));
            return $this->redirect(['admin/categories']);
        }
        return $this->render('forums', [
            'model' => $model,
            'categories' => Category::find()->orderBy(['sort' => SORT_ASC, 'id' => SORT_ASC])->all(),
            'forums' => Forum::find()->where(['category_id' => $model->id])->orderBy(['sort' => SORT_ASC, 'id' => SORT_ASC])->all()
        ]);
    }