public function saveAction()
 {
     $response = $this->controller->execute('save');
     $id = $this->response->getVariable('savedRecordID');
     $course_id = $this->request->getSessionData('course_id');
     $reading_list = new ReadingList($this->request->requireSessionData('course_id', 'Session has expired'));
     $reading_list->assignRecords(array($id));
     return $response;
 }