public function getAllBadges()
 {
     $myWrapper = new Platform_Webservices_Wrapper();
     $jsonObj = $myWrapper->request('badges/');
     return Platform_Data::getDataObject($jsonObj);
 }
 public function getCommentsForLesson($lessonId)
 {
     $myWrapper = new Platform_Webservices_Wrapper();
     $jsonObj = $myWrapper->request('comments/lessonid/' . $lessonId);
     return Platform_Data::getDataObject($jsonObj);
 }