public override IEnumerable<Guid> GetChildIds(Guid parentId)
{
var query = Query.EQ("ParentId",
parentId == JoinParentId.ToGuid()
? Guid.Empty
: parentId);
return Items.FindAs<ItemDto>(query).Select(it => it.Id).ToArray();
}
public override Guid GetParentId(Guid id)
{
var result = Items.FindOneByIdAs<ItemDto>(id);
return result != null ? (result.ParentId != Guid.Empty ? result.ParentId : JoinParentId.ToGuid()) : Guid.Empty;
}