public MessengerViewModel(int userId)
{
try
{
InstanceContext context = new InstanceContext(this);
_serviceClient = new MessengerServiceClient(context);
_userId = userId;
_serviceClient.ConnectAsync(_userId);
Refresh();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
public bool Enter(string nickname, out string message)
{
if (_client == null)
{
_client = new MessengerServiceClient(new InstanceContext(this));
}
EnterData enterData;
try
{
enterData = _client.EnterService(nickname);
}
catch
{
HandleDisconnect();
message = "Couldn't enter because service is unavailable.";
return(false);
}
message = enterData.Message;
if (!enterData.Status)
{
return(false);
}
_userId = enterData.Id;
var userList = _client.GetUserList();
UserController?.AddConnectedUsers(userList);
try
{
_client.NotifyClientIsReady(_userId);
IsConnected = true;
}
catch
{
_client.Abort();
HandleDisconnect();
message = "Couldn't notify server that client is ready.";
return(false);
}
Task.Run(() =>
{
for (; ;)
{
Task.Delay(PulseInterval).Wait();
try
{
if (_tokenSource.IsCancellationRequested)
{
break;
}
_client.Pulse(_userId);
}
catch
{
_client.Abort();
HandleDisconnect();
DisconnectController?.HandleDisconnect("Connection aborted.");
break;
}
}
});
return(true);
}
private void HandleDisconnect()
{
IsConnected = false;
_client = null;
}
public ServiceConnector()
{
_client = new MessengerServiceClient(new InstanceContext(this));
_tokenSource = new CancellationTokenSource();
IsConnected = false;
}
public LoginViewModel()
{
_serviceClient = new MessengerServiceClient(new InstanceContext(this));
//_user = new User();
}