public function actionRemoveAllInfoCourse()
 {
     $idcourse = $_REQUEST["idcourse"];
     $comm = Yii::app()->db->createCommand();
     $comm->reset();
     $comm->delete('pls_comment', 'data_id=' . $idcourse . ' AND data_type="course"');
     $ListCourseLEcture = WCourseLecture::ArrayIdCourseLecture(WCourseLecture::getListCourseLecture($idcourse));
     if (!empty($ListCourseLEcture)) {
         foreach ($ListCourseLEcture as $idcourselecture) {
             $comm->reset();
             $comm->delete('pls_training_log', 'action_url="r=wLecture/LectureView&course_lecture_id=' . $idcourselecture . '"');
             $comm->reset();
             $comm->delete('pls_training_randomquestion', 'course_lecture_id=' . $idcourselecture);
         }
     }
     $comm->reset();
     $comm->delete('pls_course_lecture', 'course_id=' . $idcourse);
     $comm->reset();
     $comm->delete('pls_course_trainee', 'course_id=' . $idcourse);
     $comm->reset();
     $comm->delete('pls_chat', 'course_id=' . $idcourse);
     $comm->reset();
     $comm->delete('pls_user_test', 'course_id=' . $idcourse);
     $comm->reset();
     $comm->delete('pls_course', 'id=' . $idcourse);
     echo json_encode(array("result" => "true"));
 }