// login successful
public void OnIncomingFriendlistMessage(object sender, IncomingMessageEventArgs e)
{
_connection.LoggedInAs = XmlDeserializer.GetLoggedInAsInfo(e.Message);
var list = XmlDeserializer.DeserializeFriends(e.Message);
_windowManager.ShowWindow(new ContactViewModel(_windowManager, list));
CloseView();
//string fr = list.Aggregate("", (current, friend) => current + friend.Email + " " + friend.Nick + " " + friend.UserId + '\n');
}
public async void OnIncomingUserMessage(object sender, IncomingMessageEventArgs args)
{
await Dispatcher.BeginInvoke(new Action(() => fowaServerLogTextBlock.Text += "Incoming UserMessage:\n"));
string message = args.Message;
var messageReceiver = XmlDeserializer.GetUserFromUserMessage(message, UserMessageElement.Receiver);
var messageSender = XmlDeserializer.GetUserFromUserMessage(message, UserMessageElement.Sender);
var userClient = _service.Clients.FirstOrDefault(c => c.Key == messageReceiver.UserId);
if (userClient.Value == null) return; // User is not online send ErrorMessage
var fowaClient = userClient.Value;
//forward Usermessage
bool forwardingToClientSuccesful = await fowaClient.WriteToClientStreamAync(new UserMessage(messageSender, messageReceiver, XmlDeserializer.GetMessage(args.Message)));
}
public async void OnIncomingRegisterMessage(object sender, IncomingMessageEventArgs args)
{
var registerInfo = XmlDeserializer.GetRegisterInfo(args.Message);
await Dispatcher.BeginInvoke(new Action(() => fowaServerLogTextBlock.Text += "Incoming register message:\n" + '\t' + registerInfo.NickName + "\n\t" + registerInfo.Email + "\n\t" + registerInfo.Pw + "\n\n"));
var handleResult = await HandleIncomingLoginOrRegisterMessage(args.FowaClient, registerInfo.Email);
bool writeToClientSuccessfull = true; // Not used yet
// DB con failed = 0
// user exists = 1
// User does not exists = 2
switch (handleResult)
{
case 0:
// send ErrorMessage --> DB connection failed
return;
case 1:
// send ErrorMessage --> email already exists
return;
case 2:
// register the new user
return;
}
}
// the server will send a (empty) friend list to indicate that the user has successfully registered.
public void OnIncomingFriendListMessage(object sender, IncomingMessageEventArgs args)
{
_connection.LoggedInAs = XmlDeserializer.GetLoggedInAsInfo(args.Message);
//you do not have to deserialize the incoming friendlist, you will not have friends yet :)
//var list = XmlDeserializer.DeserializeFriends(args.Message);
_windowManager.ShowWindow(new ContactViewModel(_windowManager, Enumerable.Empty<Friend>()));
CloseView();
}
public void OnIncomingUserMessage(object sender, IncomingMessageEventArgs e)
{
// get the sender
var user = XmlDeserializer.GetUserFromUserMessage(e.Message, UserMessageElement.Sender);
var friend = Friends.FirstOrDefault(f => f.UserId == user.UserId);
if (friend == null)
{
/*
* user is not a Friend
* maybe add him as Friend
*/
}
OpenUserChat(friend); // now a tab is available
// find the tab and write the incoming user message to the the chat box
int tabIndex = OpenTabs.FirstOrDefault(t => t.Key == user.UserId).Value;
UserChatViewModel tab = (UserChatViewModel)MainChatViewModel.Items.ElementAt(tabIndex);
tab.WriteToChat(user.Nick + ": " + XmlDeserializer.GetMessage(e.Message));
}
public async void OnIncomingLoginMessage(object sender, IncomingMessageEventArgs args)
{
// I will try to translate this comment later, but its just a note for me .. sry :D
// folgendes würde zu folgender Aushahme führen:
// Der aufrufende Thread kann nicht auf dieses Objekt zugreifen, da sich das Objekt im Besitz eines anderen Threads befindet."
// fowaServerLogTextBlock.Text = args.Message;
var login = XmlDeserializer.GetLoginInfo(args.Message);
await Dispatcher.BeginInvoke(new Action(() => fowaServerLogTextBlock.Text += "Incoming Login:\n" + '\t' + login.Email + "\n\t" + login.Pw + "\n\n"));
bool writeToClientSuccessfull; // Not used yet
// DB con failed = 0
// user exists = 1
// User does not exists = 2
var handleResult = await HandleIncomingLoginOrRegisterMessage(args.FowaClient, login.Email);
//if (handleResult == 0 || handleResult == 2) return;
// DB con failed = 0
// user exists = 1
// User does not exists = 2
switch (handleResult)
{
case 0:
writeToClientSuccessfull = await args.FowaClient.WriteToClientStreamAync(new ErrorMessage(ErrorMessageKind.LoginError, "Fetching Friends failed."));
return;
case 1: // carry on
break;
case 2:
writeToClientSuccessfull = await args.FowaClient.WriteToClientStreamAync(new ErrorMessage(ErrorMessageKind.LoginError, "User not found."));
return;
}
// Check if password is correct
var user = _userFriendService.GetUserbyEmail(login.Email);
if (!user.pw.Equals(login.Pw))
{
await Dispatcher.BeginInvoke(new Action(() => fowaServerLogTextBlock.Text += "Login failed: Wrong Password.\n----------\n"));
writeToClientSuccessfull = await args.FowaClient.WriteToClientStreamAync(new ErrorMessage(ErrorMessageKind.LoginError, "Incorrect Password"));
return;
}
// add user to Clientlist
bool addingSuccessful = _service.Clients.TryAdd(user.ID, args.FowaClient);
_service.RecentlyConnectedClient.ClientUserId = user.ID;
// check if adding was successful
// Send Friendlist to user
var friends = _userFriendService.GetFriends(user);
List<Friend> friendList = friends.Select(friend => new Friend { Email = friend.email, Nick = friend.nick, UserId = friend.ID }).ToList();
FriendListMessage m = new FriendListMessage(new Friend { Email = user.email, Nick = user.nick, UserId = user.ID }, friendList);
// send FriendListMessage
writeToClientSuccessfull = await args.FowaClient.WriteToClientStreamAync(m);
}
