private async Task UpdateItemsAsync(int offset, int maxId, int count, bool forceClear = true)
{
//var lastDate = 0;
//var lastMsgId = 0;
//var lastPeer = (TLInputPeerBase)new TLInputPeerEmpty();
//var last = this.LastOrDefault();
//if (last != null)
//{
// lastDate = last.TopMessageItem.Date;
// lastMsgId = last.TopMessage;
// if (last.Peer is TLPeerUser)
// {
// lastPeer = new TLInputPeerUser { UserId = last.Peer.Id };
// }
// else if (last.Peer is TLPeerChat)
// {
// lastPeer = new TLInputPeerChat { ChatId = last.Peer.Id };
// }
// else if (last.Peer is TLPeerChannel)
// {
// lastPeer = new TLInputPeerChannel { ChannelId = last.Peer.Id };
// }
//}
var response = await _protoService.GetDialogsAsync(0, 0, new TLInputPeerEmpty(), count);
if (response.IsSucceeded)
{
var result = response.Result;
var vector = new TLVector <TLDialog>(result.Dialogs.Count);
foreach (var dialog in result.Dialogs.OrderBy(x => x.GetDateIndex()))
{
vector.Add(dialog);
}
//if (!forceClear) forceClear = Count == 0;
result.Dialogs = vector;
await Execute.BeginOnUIThreadAsync(() =>
{
var needUpdate = false;
var itemsCount = Count;
var i = 0;
var k = 0;
while (i < result.Dialogs.Count && k < Count)
{
if (itemsCount - 1 < i || result.Dialogs[i] != this[k])
{
var dialog = this[k] as TLDialog;
if (dialog != null)
{
var serviceMessage = dialog.TopMessageItem as TLMessageService;
//if (serviceMessage != null && serviceMessage.Action is TLMessageActionContactRegistered)
//{
// i--;
// goto IL_AE;
//}
}
//var encryptedDialog = this[k] as TLEncryptedDialog;
//if (encryptedDialog == null)
//{
// needUpdate = true;
// break;
//}
i--;
}
IL_AE:
i++;
k++;
}
//this.Status = ((this.Items.get_Count() == 0 && result.Dialogs.Count == 0) ? string.Format("{0}", AppResources.NoDialogsHere) : string.Empty);
if (needUpdate || forceClear)
{
//var encryptedDialogs = this.OfType<TLEncryptedDialog>();
var startIndex = 0;
//foreach (var encryptedDialog in encryptedDialogs)
//{
// for (int j = startIndex; j < result.Dialogs.Count; j++)
// {
// if (encryptedDialog.GetDateIndex() > result.Dialogs[j].GetDateIndex())
// {
// result.Dialogs.Insert(j, encryptedDialog);
// startIndex = j;
// break;
// }
// }
//}
//var broadcastDialogs = Enumerable.OfType<TLBroadcastDialog>(this);
startIndex = 0;
//foreach (var broadcastDialog in broadcastDialogs)
//{
// for (int j = startIndex; j < result.Dialogs.Count; j++)
// {
// if (broadcastDialog.GetDateIndex() > result.Dialogs[j].GetDateIndex())
// {
// result.Dialogs.Insert(j, broadcastDialog);
// startIndex = j;
// break;
// }
// }
//}
if (forceClear)
{
Clear();
}
foreach (var dialog in result.Dialogs)
{
if (forceClear)
{
Insert(0, dialog);
}
else
{
MoveOrInsert(dialog);
}
}
//HasMoreItems = Count > 0;
}
else
{
//HasMoreItems = Count > 0;
}
//this.IsWorking = false;
});
}
//}, delegate (TLRPCError error)
//{
// Execute.BeginOnUIThread(delegate
// {
// HasMoreItems = Count > 0;
// });
//});
}
