case 'add_to_calendar':
$course_info = api_get_course_info();
$agenda = new Agenda();
$agenda->type = 'course';
$id = intval($_GET['id']);
$title = sprintf(get_lang('VideoConferenceXCourseX'), $id, $course_info['name']);
$content = Display::url(get_lang('GoToTheVideoConference'), $_GET['url']);
$event_id = $agenda->add_event($_REQUEST['start'], null, 'true', null, $title, $content, array('everyone'));
if (!empty($event_id)) {
$message = Display::return_message(get_lang('VideoConferenceAddedToTheCalendar'), 'success');
} else {
$message = Display::return_message(get_lang('Error'), 'error');
}
break;
case 'copy_record_to_link_tool':
$result = $bbb->copy_record_to_link_tool($_GET['id'], $_GET['record_id']);
if ($result) {
$message = Display::return_message(get_lang('VideoConferenceAddedToTheLinkTool'), 'success');
} else {
$message = Display::return_message(get_lang('Error'), 'error');
}
break;
case 'delete_record':
$bbb->delete_record($_GET['id']);
if ($result) {
$message = Display::return_message(get_lang('Deleted'), 'success');
} else {
$message = Display::return_message(get_lang('Error'), 'error');
}
break;
case 'end':
