public function execute($user, $item, $params)
 {
     $user_role = Users::findOne($user)->authAssignments->item_name;
     if (isset($params['news'])) {
         $news_status = $params['news']->status;
         $news_category = $params['news']->category_id;
         $relCat = !is_null(RelationCategories::findOne(['user_id' => $user, 'category_id' => $news_category]));
         if ($user_role == 'moderator' && $relCat && isset($params['action']) && $params['action'] == 'view') {
             return true;
         }
         if ($news_status == News::MODER_NEWS) {
             if ($user_role == 'moderator') {
                 return $relCat;
             }
         }
         if ($news_status == News::SMODER_NEWS) {
             if ($user_role == 'super_moderator') {
                 return true;
             }
         }
     } elseif (isset($params['question'])) {
         if ($user_role == 'moderator') {
             $news = News::findOne($params['question']->news_id);
             if (!is_null($news)) {
                 if ($news->status == News::MODER_NEWS && !is_null(RelationCategories::findOne(['user_id' => $user, 'category_id' => $news->category_id]))) {
                     return true;
                 }
             }
         }
     }
     return false;
 }