EventHandler::findAllAccessCodes

static function findAllAccessCodes(int $departmentId): array
{
	$department = new Department($departmentId);
	$fullDepartmentsId = $department->getPathFromHeadToDepartment();

	if (empty($fullDepartmentsId))
	{
		return ['AU'];
	}

	return $department->getAccessCodes($fullDepartmentsId);
}