public function delete($id)
 {
     if (ctype_digit($id)) {
         $news = RJ_News::find_by_id($id);
         if (file_exists("../public/images/" . $news->news_img)) {
             unlink("../public/images/" . $news->news_img);
         }
         if ($news->delete()) {
             $_SESSION['adminmessage'] = "Deleted successfully";
         } else {
             $_SESSION['adminmessage'] = "An error occured, please try again";
         }
     } else {
         $_SESSION['adminmessage'] = "Select the right file";
     }
     return true;
 }