public async Task GetUpdatesAsync()
{
await ConnectAsync();
if (_lastInitialState == null)
{
_lastInitialState = await _client.GetUpdatesState();
return;
}
UpdatesDifference differenceUpdateResponse = await GetUpdatesDifferenceAsync(_lastInitialState);
if (differenceUpdateResponse is UpdatesDifferenceConstructor differenceUpdate)
{
_lastInitialState = differenceUpdate.state;
UpdatesStateConstructor updatesStateConstructor = _lastInitialState as UpdatesStateConstructor;
_logger.Debug(string.Format("{0} Update.GetDifference result=[Seq={1} Date={2} Qts={3} Pts{4}]",
DateTime.Now.ToString("HH:mm:ss.fff", CultureInfo.InvariantCulture), updatesStateConstructor.seq,
updatesStateConstructor.date, updatesStateConstructor.qts, updatesStateConstructor.pts));
if (differenceUpdate.newMessages.Count > 0)
{
IEnumerable <Models.Contact> users = differenceUpdate.users.Select(u => ((Models.Contact)u)).Where(u => u != null);
IEnumerable <Models.Message> messages = differenceUpdate.newMessages.Select(m => (Models.Message)m).Where(m => m != null);
IDictionary <int, int> lastMessageIds = new Dictionary <int, int>();
foreach (Models.Message message in messages)
{
OnUpdateMessage(this, message);
lastMessageIds[message.FromId] = message.Id;
}
foreach (Models.Contact user in users)
{
if (lastMessageIds.ContainsKey(user.Id))
{
await MarkedMessagesAsReadAsync(user, 0, lastMessageIds[user.Id]);
}
}
}
}
else if (differenceUpdateResponse is UpdatesDifferenceEmptyConstructor)
{
}
else if (differenceUpdateResponse is UpdatesDifferenceSliceConstructor differenceSliceUpdate)
{
}
}
public override void OnResponse(BinaryReader reader)
{
updatesDifference = TLObject.Read <UpdatesDifference>(reader);
}