public RegistrationResponseViewModel Handle(RegistrationResponseMessage responseMessage)
{
if (responseMessage.Success)
{
return(new RegistrationResponseViewModel(true, "Registration successful!"));
}
var sb = new StringBuilder();
sb.AppendLine("Failed to Register");
foreach (var e in responseMessage.Errors)
{
sb.AppendLine(e);
}
return(new RegistrationResponseViewModel(false, sb.ToString()));
}
public void Execute(Server server, TcpClient client, IMessage message)
{
var registrationMessage = message as RegistrationMessage;
bool authenticatedServerPassword = true;
if (server.HasPassword())
{
authenticatedServerPassword = server.CheckPassword(registrationMessage.ServerPassword);
}
var tmpUserList = server.GetUsers();
int newId = (tmpUserList.Select(x => x.Id).Max()) + 1;
var user = new User()
{
Username = registrationMessage.Username,
Password = registrationMessage.Password,
Id = newId
};
server.AddUsers(user);
string userJson = JsonSerializer.Serialize(server.GetUsers());
File.WriteAllText("users.json", userJson);
bool authenticatedUser = true;
bool authenticated = authenticatedServerPassword && authenticatedUser;
ConnectResponseMessage connectResponseMessage = new ConnectResponseMessage();
if (authenticated)
{
string sessionId = Guid.NewGuid().ToString();
user.SessionIds.Add(sessionId);
connectResponseMessage.SessionId = sessionId;
server.AddClient(client);
Console.WriteLine("Client connected.");
if (user.SessionIds.Count == 1)
{
// Send user count to all clients (broadcast)
UserCountMessage userCountMessage = new UserCountMessage
{
UserCount = server.GetUsers().Count,
UserOnlineCount = server.GetUsers().Count(u => u.SessionIds.Count > 0),
UserNames = server.GetOnlineUserNames()
};
string userCountMessageJson = JsonSerializer.Serialize(userCountMessage);
byte[] userCountMessageBytes = System.Text.Encoding.UTF8.GetBytes(userCountMessageJson);
foreach (TcpClient remoteClient in server.GetClients())
{
remoteClient.GetStream().Write(userCountMessageBytes, 0, userCountMessageBytes.Length);
}
}
}
connectResponseMessage.Success = authenticated;
string json = JsonSerializer.Serialize(connectResponseMessage);
byte[] msg = System.Text.Encoding.UTF8.GetBytes(json);
client.GetStream().Write(msg, 0, msg.Length);
var registrationResponseMessage = new RegistrationResponseMessage();
foreach (User usr in server.GetUsers())
{
registrationResponseMessage.Users.Add(new ChatProtocol.User(usr.Id, usr.Username));
}
string jsonReg = JsonSerializer.Serialize(registrationResponseMessage);
byte[] regMsg = System.Text.Encoding.UTF8.GetBytes(jsonReg);
client.GetStream().Write(regMsg, 0, regMsg.Length);
}
