CalendarAjax::setTrackingSectionsAction

public function setTrackingSectionsAction()
{
	$request = $this->getRequest();
	$type = $request->get('type');

	$userId = CCalendar::getCurUserId();
	if ($type === 'users')
	{
		UserSettings::setTrackingUsers($userId, $request->get('userIdList'));
	}

	$sections = $request->get('sections');
	if (!$sections)
	{
		$sections = [];
	}

	CCalendar::setDisplayedSuperposed($userId, $sections);
	return [];
}