public async Task SendMessage(string text, byte[] image = null)
{
try
{
currentUserTypingController.HandleOutgoingMessage();
await messageLoadTaskCompletionSource.Task;
App.ConversationsViewModel.IsDirty = true;
var message = new Message(Guid.NewGuid(), Guid.Empty, DateTime.UtcNow, recipientId, Settings.MyId, text, image, MessageStatus.Unsent);
Messages.Add(MessageViewModelFactory.Create(message));
//chatting with fake contacts
if (recipientId < 0)
{
dataManager.AddMessageAsync(message);
return;
}
var sendMessageResult = await App.MessagesManager.SendMessageAsync(message);
switch (sendMessageResult)
{
case SendMessageResult.Ok:
break;
case SendMessageResult.ConnectionError:
App.MessageDialog.SendMessage("Internet connection is required", "No service");
break;
case SendMessageResult.ReceiverUnknown:
App.MessageDialog.SendMessage("Receiver was not found on the server", "Error");
break;
case SendMessageResult.ReceiverAndSenderAreSame:
App.MessageDialog.SendMessage("That's you!", "Error");
break;
case SendMessageResult.UnknownError:
App.MessageDialog.SendMessage("Oops... something went wrong", "Error");
break;
default:
throw new ArgumentOutOfRangeException();
}
bool isSuccessfullySent = await SendPushNotificationToFriendDevices(Friend.FriendId, text);
App.Logger.Track("SendMessage");
}
catch (Exception ex)
{
App.Logger.Report(ex);
//App.MessageDialog.SendMessage("Message wasn't sent", "Oops..");
}
}
private void OnMessageArrived(object sender, MessageEventArgs e)
{
uiThreadDispacher.Dispatch(() =>
{
opponentTypingController.HandleIncomingMessage();
App.ConversationsViewModel.IsDirty = true;
Messages.Add(MessageViewModelFactory.Create(e.Message));
//if conversation is opened!
MarkMessagesAsSeenAsync(new List <Message> {
e.Message
});
});
}
public async Task ExecuteLoadMessagesCommand()
{
if (IsBusy)
{
return;
}
IsBusy = true;
try {
Friend = await dataManager.GetFriendAsync(recipientId);
messages.Clear();
IsAddingLocalMessages = true;
List <Message> notSeenYet = new List <Message>();
foreach (var item in await messageRepository.GetMessagesAsync(recipientId))
{
messages.Add(MessageViewModelFactory.Create(item));
if (item.Sender != Settings.MyId && item.Status == MessageStatus.Delivered)
{
notSeenYet.Add(item);
}
}
MarkMessagesAsSeenAsync(notSeenYet);
IsAddingLocalMessages = false;
} catch (Exception ex) {
App.Logger.Report(ex);
App.MessageDialog.SendMessage("Unable to gather messages.", "Error");
} finally {
IsBusy = false;
IsAddingLocalMessages = false;
}
messageLoadTaskCompletionSource.TrySetResult(true);
//do stuff here
}
