public function getPlanList()
 {
     $auth_problem = null;
     $this->list = array();
     if (!empty($this->usage)) {
         $db = JFactory::getDBO();
         $query = 'SELECT `id`' . ' FROM #__acctexp_plans' . ' WHERE `id` = \'' . $this->usage . '\' AND `active` = \'1\'';
         $db->setQuery($query);
         $id = $db->loadResult();
         if ($id) {
             $plan = new SubscriptionPlan();
             $plan->load($id);
             $authorized = $plan->checkAuthorized($this->metaUser);
             if ($authorized === true) {
                 $this->list[] = ItemGroupHandler::getItemListItem($plan);
             } elseif ($authorized === false) {
                 $auth_problem = true;
             } else {
                 $auth_problem = $authorized;
             }
         } else {
             // Plan does not exist
             $auth_problem = true;
         }
     } else {
         if (!empty($this->group)) {
             $gid = $this->group;
         } else {
             global $aecConfig;
             if (!empty($aecConfig->cfg['root_group_rw'])) {
                 $gid = AECToolbox::rewriteEngine($aecConfig->cfg['root_group_rw'], $this->metaUser);
             } else {
                 $gid = array($aecConfig->cfg['root_group']);
             }
         }
         if (is_array($gid)) {
             $gid = $gid[0];
         }
         $g = new ItemGroup();
         $g->load($gid);
         if ($g->checkPermission($this->metaUser)) {
             if (!empty($g->params['symlink_userid']) && !empty($g->params['symlink'])) {
                 aecRedirect($g->params['symlink'], $this->metaUser->userid, "aechidden");
             } elseif (!empty($g->params['symlink'])) {
                 return $g->params['symlink'];
             }
             $this->list = ItemGroupHandler::getTotalAllowedChildItems(array($gid), $this->metaUser);
             if (count($this->list) == 0) {
                 $auth_problem = true;
             }
         } else {
             $auth_problem = true;
         }
         if ($auth_problem && !empty($g->params['notauth_redirect'])) {
             $auth_problem = $g->params['notauth_redirect'];
         }
     }
     if (!is_null($auth_problem)) {
         $this->list = $auth_problem;
     }
     return true;
 }