Employee::onEmployeeDepartmentsChanged

static function onEmployeeDepartmentsChanged(Event $event)
{
	global $CACHE_MANAGER;

	$result = new EventResult(
		EventResult::UNDEFINED,
		array(),
		'socialnetwork'
	);

	$oldDepartmentList = $event->getParameter('oldDepartmentList');
	$newDepartmentList = $event->getParameter('newDepartmentList');

	if (
		!is_array($oldDepartmentList)
		|| !is_array($newDepartmentList)
	)
	{
		return $result;
	}

	$oldExtranet = (empty($oldDepartmentList) || empty($oldDepartmentList[0]));
	$newExtranet = (empty($newDepartmentList) || empty($newDepartmentList[0]));

	if (
		defined("BX_COMP_MANAGED_CACHE")
		&& (
			($oldExtranet && !$newExtranet)
			|| (!$oldExtranet && $newExtranet)
		)
	)
	{
		$CACHE_MANAGER->clearByTag("sonet_extranet_user_list");
	}

	$result = new EventResult(
		EventResult::SUCCESS,
		array(),
		'socialnetwork'
	);

	return $result;
}