public void ClearHistory(TLDialogBase dialog)
{
var confirmation = MessageBox.Show(AppResources.ClearHistoryConfirmation, AppResources.Confirm, MessageBoxButton.OKCancel);
if (confirmation != MessageBoxResult.OK)
{
return;
}
if (dialog.Peer is TLPeerChannel)
{
var channel = (TLChannel)dialog.With;
MTProtoService.DeleteHistoryAsync(channel.ToInputChannel(),
result =>
{
CacheService.ClearDialog(dialog.Peer);
BeginOnUIThread(() =>
{
if (dialog.With != null)
{
dialog.With.ClearBitmap();
}
dialog.NotifyOfPropertyChange(() => dialog.UnreadCount);
var dialog71 = dialog as TLDialog71;
if (dialog71 != null)
{
dialog71.NotifyOfPropertyChange(() => dialog71.UnreadMentionsCount);
}
});
},
error =>
{
Execute.ShowDebugMessage("channels.deleteHistory error " + error);
});
}
else if (dialog.Peer is TLPeerUser)
{
var user = (TLUserBase)dialog.With;
var inputPeer = user.ToInputPeer();
DeleteHistoryAsync(true, inputPeer,
result =>
{
CacheService.ClearDialog(dialog.Peer);
BeginOnUIThread(() =>
{
if (dialog.With != null)
{
dialog.With.ClearBitmap();
}
dialog.NotifyOfPropertyChange(() => dialog.UnreadCount);
var dialog71 = dialog as TLDialog71;
if (dialog71 != null)
{
dialog71.NotifyOfPropertyChange(() => dialog71.UnreadMentionsCount);
}
});
},
error =>
{
Execute.ShowDebugMessage("messages.deleteHistory error " + error);
});
}
else if (dialog.Peer is TLPeerChat)
{
var chat = (TLChatBase)dialog.With;
var inputPeer = chat.ToInputPeer();
DeleteHistoryAsync(true, inputPeer,
result =>
{
CacheService.ClearDialog(dialog.Peer);
BeginOnUIThread(() =>
{
if (dialog.With != null)
{
dialog.With.ClearBitmap();
}
dialog.NotifyOfPropertyChange(() => dialog.UnreadCount);
var dialog71 = dialog as TLDialog71;
if (dialog71 != null)
{
dialog71.NotifyOfPropertyChange(() => dialog71.UnreadMentionsCount);
}
});
},
error =>
{
Execute.ShowDebugMessage("messages.deleteHistory error " + error);
});
}
else if (dialog.Peer is TLPeerEncryptedChat)
{
var chat = CacheService.GetEncryptedChat(dialog.Peer.Id) as TLEncryptedChat;
if (chat == null)
{
return;
}
var flushHistoryAction = new TLDecryptedMessageActionFlushHistory();
var decryptedTuple = SecretDialogDetailsViewModel.GetDecryptedServiceMessageAndObject(flushHistoryAction, chat, MTProtoService.CurrentUserId, CacheService);
SecretDialogDetailsViewModel.SendEncryptedService(chat, decryptedTuple.Item2, MTProtoService,
CacheService,
sentEncryptedMessage =>
{
CacheService.ClearDecryptedHistoryAsync(chat.Id);
BeginOnUIThread(() =>
{
if (dialog.With != null)
{
dialog.With.ClearBitmap();
}
dialog.NotifyOfPropertyChange(() => dialog.UnreadCount);
});
});
}
else if (dialog.Peer is TLPeerBroadcast)
{
var broadcast = CacheService.GetBroadcast(dialog.Peer.Id);
if (broadcast == null)
{
return;
}
CacheService.ClearBroadcastHistoryAsync(broadcast.Id);
}
}