public function action_index($search = null)
 {
     // check for admin
     if (!Auth::member(5)) {
         \Response::redirect_back('home');
     }
     if (Input::Method() === 'POST') {
         $users = Input::POST();
         if (empty($users) === false) {
             // Update the users
             foreach ($users as $user_id => $new_group) {
                 $found_user = Model_User::Find(str_replace('user_role_', '', $user_id));
                 if (empty($found_user) === false) {
                     $found_user->group_id = $new_group;
                     $found_user->save();
                 }
             }
         }
     }
     if (Input::Method() === 'GET' && Input::Get('search')) {
         $data['total_count'] = Controller_Search::get_users();
         $pagination = Settings::pagination($data['total_count']);
         $data['users'] = Controller_Search::get_users($pagination);
         $data['search'] = Input::GET('search');
     } else {
         $data['total_count'] = Model_User::query()->where('id', '!=', static::$user_id)->count();
         $pagination = Settings::pagination($data['total_count']);
         $data['users'] = Model_User::query()->where('id', '!=', static::$user_id)->order_by('username', 'ASC')->rows_offset($pagination->offset)->rows_limit($pagination->per_page)->get();
     }
     $data['pagination'] = $pagination->render();
     $this->template->content = View::Forge('admin/users', $data);
 }