private TcpMessage HandleMultiRelationQuery(TcpConnectedHost host, TcpMessage message)
{
if (!message.HasType(TcpRequestType.MultiRelationQuery))
{
return(null);
}
if (!IsAuthenticated(host))
{
throw AuthException.NotLoggedIn();
}
var request = new ParamTcpMessage(message);
var response = new ObjectTcpMessage <DbRelation>(TcpRequestType.List);
if (request.HasParam("from_id"))
{
var fromId = request.GetParamAsNullableInt("from_id");
var items = _dataService.GetRelations(fromId);
response.Add(items);
return(response);
}
return(TcpMessage.Error("Missing or badly formatted query parameters"));
}
public IEnumerable GetChildren(TreePath treePath)
{
if (treePath.IsEmpty())
{
return(_dataService.GetRelations(null));
}
if (treePath.LastNode is DbItem)
{
var item = treePath.LastNode as DbItem;
return(_dataService.GetRelations(item.Id));
}
else if (treePath.LastNode is DbRelation)
{
var relation = treePath.LastNode as DbRelation;
if (relation.ToId != null)
{
return new[] { _dataService.GetItem(relation.ToId.Value) }
}
;
}
return(null);
}
public static void Remove <T>(T obj, int?fromId, DataServiceBase dataService)
{
var proxy = obj as IProxy;
if (proxy == null)
{
return;
}
var relations = dataService.GetRelations(fromId);
foreach (var relation in relations)
{
if (relation.ToId == proxy.SDBId)
{
dataService.Delete(relation);
}
}
}
public override ICollection <DbRelation> GetRelations(int?fromId)
{
return(_dataService.GetRelations(fromId));
}