public List <OrganizationUnit> FindChildren(long?parentId, bool recursive = false)
{
if (!recursive)
{
return(OrganizationUnitRepository.GetAllList(ou => ou.ParentId == parentId));
}
if (!parentId.HasValue)
{
return(OrganizationUnitRepository.GetAllList());
}
var code = GetCode(parentId.Value);
return(OrganizationUnitRepository.GetAllList(
ou => ou.Code.StartsWith(code) && ou.Id != parentId.Value
));
}