function actionTops()
 {
     header('Content-type: application/json');
     if (!IjoyPlusServiceUtils::validateAPPKey()) {
         IjoyPlusServiceUtils::exportServiceError(Constants::APP_KEY_INVALID);
         return;
     }
     $userid = Yii::app()->request->getParam("userid");
     if (!isset($userid) || is_null($userid)) {
         if (IjoyPlusServiceUtils::validateUserID()) {
             IjoyPlusServiceUtils::exportServiceError(Constants::USER_ID_INVALID);
             return;
         }
         $userid = Yii::app()->user->id;
     }
     $page_size = Yii::app()->request->getParam("page_size");
     $page_num = Yii::app()->request->getParam("page_num");
     $type = Yii::app()->request->getParam("type");
     if (!(isset($page_size) && is_numeric($page_size))) {
         $page_size = 10;
         $page_num = 1;
     } else {
         if (!(isset($page_num) && is_numeric($page_num))) {
             $page_num = 1;
         }
     }
     try {
         if (isset($type) && !is_null($type) && strlen(trim($type)) > 0) {
             $lists = SearchManager::listsByProdType($userid, $page_size, $page_size * ($page_num - 1), 0, $type);
         } else {
             $lists = SearchManager::lists($userid, $page_size, $page_size * ($page_num - 1), 0);
         }
         if (isset($lists) && is_array($lists)) {
             IjoyPlusServiceUtils::exportEntity(array('tops' => $lists));
         } else {
             IjoyPlusServiceUtils::exportEntity(array('tops' => array()));
         }
     } catch (Exception $e) {
         IjoyPlusServiceUtils::exportServiceError(Constants::SYSTEM_ERROR);
     }
 }