private async void OnChatMessage(LongPollChatMessage message)
{
if (Messages == null)
{
return;
}
if (message.Message?.MessageContent == null)
{
return;
}
bool isChat = Dialog?.Message.ChatId != 0;
if ((!isChat && (message.Message.MessageContent.UserId == Dialog?.User.Profile.Id)) ||
(isChat && Dialog?.Message.ChatId == message.Message.MessageContent.ChatId))
{
var id = message.Message.MessageContent.Id;
if (message.Message.MessageContent.IsOut)
{
var existedMessage = Messages.FirstOrDefault(m => m.MessageContent.Id == id);
if (existedMessage != null)
{
return;
}
else if (_lastSentMessages.Count > 0)
{
return;
}
}
_hasUnreadMessages = true;
message.Message.IsNew = true;
Messages.Add(message.Message);
//if there are attachments in message, request message from server with full data
if (!message.Message.MessageContent.Attachments.IsNullOrEmpty() || message.Message.MessageContent.Geo != null || message.Message.MessageContent.ForwardMessages != null)
{
try
{
var fullMessage = await ServiceLocator.Vkontakte.Messages.GetById(id);
if (fullMessage != null)
{
var m = Messages.FirstOrDefault(x => x.MessageContent.Id == id);
m.MessageContent = fullMessage;
Messages[Messages.IndexOf(m)] = m;
Debug.WriteLine("Updated");
}
}
catch (Exception ex)
{
Logger.Error(ex, "Unable to load full message by id " + id);
}
}
}
}
private async void OnChatMessage(LongPollChatMessage message)
{
if (Dialogs == null)
{
Dialogs = new IncrementalLoadingCollection <Dialog>();
}
bool isChat = message.Message.MessageContent.ChatId != 0;
var dialog = Dialogs?.FirstOrDefault(d => !isChat ? d.User?.Profile.Id == message.Message.MessageContent.UserId : d.Message.ChatId == message.Message.MessageContent.ChatId);
if (dialog != null)
{
bool isSelected = _selectedDialog == dialog;
dialog.Message = message.Message.MessageContent;
if (isChat)
{
dialog.User = new User(message.Message.Sender);
}
var dialogIndex = Dialogs.IndexOf(dialog);
if (dialogIndex != 0)
{
Dialogs.RemoveAt(dialogIndex);
Dialogs.Insert(0, dialog);
//Dialogs.Move(dialogIndex, 0); //if it's not top dialog in the list, move it
}
else
{
Dialogs[dialogIndex] = dialog; //notifying UI to update whole model (trigger templateselector)
}
if (isSelected)
{
SelectedDialog = dialog;
}
}
else
{
dialog = new Dialog(message.Message.MessageContent);
var user = await ServiceLocator.UserService.GetById(message.Message.MessageContent.UserId);
if (user != null)
{
dialog.User = new User(user);
Dialogs.Insert(0, dialog);
}
}
dialog.UnreadCount++;
}
