private void HandleLoginMsg(Login login, TalkBackDBContext dbContext)
{
UsersRepository repo = new UsersRepository(dbContext);
// check if User Exists:
if (repo.IsUserExist(login.Name))
{
// check password:
if (!repo.IsPasswordCorrect(login.Name, login.Password))
{
LoginResponse response = new LoginResponse {
Success = false, ErrorMessage = "Wrong password, please try again"
};
WebSocketMiddleware.SendStringAsync(_webSocket, response.ToXml().ToString());
return;
}
}
else
{
// new user: add it to repo
repo.AddNewUser(new UserModel {
Name = login.Name, Password = login.Password
});
}
// login successfully:
// 1. record UserName for this handler
UserName = login.Name;
// 2. add to the websocket dictionary
WebSocketMiddleware._sockets.TryAdd(UserName, _webSocket);
// 3. inform all online users about the new/updated contact,
// create a Set<string> of online users:
ISet <string> online = new HashSet <string>();
Contact me = new Contact {
Name = UserName, IsOnline = true
};
string contactUpdate = me.ToXml().ToString();
online = Broadcast(contactUpdate);
// 4. send the client the list of contacts:
IList <AbstractXmlSerializable> contacts = repo.GetContactsList(UserName, online);
string contactsList = ModelXmlMapper.GetAsXmlString(contacts);
WebSocketMiddleware.SendStringAsync(_webSocket, contactsList);
}
public async void SendListAsync(IList <AbstractXmlSerializable> list)
{
string serialized = ModelXmlMapper.GetAsXmlString(list);
await connectTask.ContinueWith(_ => SendMessageUsingMessageWebSocketAsync(serialized));
}
public async void SendObjectAsync(AbstractXmlSerializable obj)
{
string serialized = ModelXmlMapper.GetAsXmlString(obj);
await connectTask.ContinueWith(_ => SendMessageUsingMessageWebSocketAsync(serialized));
}