public void AddUser(Client c)
{
ConnectedUsers.Add(c);
Clients.All.updateUsers(ConnectedUsers.Count(), ConnectedUsers.Select(u => u.NickName));
using (var db = new AppDbContext())
{
var user = new User()
{
NickName = c.NickName
};
db.Users.Add(user);
db.SaveChanges();
}
}
/// <summary>
/// To be called when a new User Connects, Notifies other users that a new User is Connected
/// </summary>
/// <param name="name"></param>
/// <returns></returns>
public void Connect(string name)
{
var id = Context.ConnectionId;
if (ConnectedUsers == null)
{
ConnectedUsers = new HashSet <iUser>();
}
if (ConnectedUsers.Count(x => x.ID == id) == 0)
{
ConnectedUsers.Add(new iUser()
{
ID = id, Name = name
});
Clients.Caller.onConnected(id, name, ConnectedUsers.Where(x => x.ID != id));
Clients.AllExcept(id).onNewUserConnected(id, name);
}
}
private void ConnectToClient()
{
Console.WriteLine("Connected clients:");
for (int i = 0; i < ConnectedUsers.Count(); i++)
{
Console.WriteLine($"{i}: {ConnectedUsers[i]}");
}
Console.WriteLine("Please select client:");
var idS = Console.ReadLine();
if (!_messenger.IsConnected)
{
var id = Convert.ToInt32(idS);
_messenger.Connect(ConnectedUsers[id]);
}
}
public override Task OnConnected()
{
connectedUsers.AddUser(new User(Context.ConnectionId));
return(Clients.All.populateNumUsers(connectedUsers.Count()));
}
private void ClientLoop(object o)
{
Socket temp_client = ((IDSocket)o).Handle_Socket;
User client_user = new User(((IDSocket)o).Handle_ID, null, null);
try
{
while (true)
{
Request client_request = DataTransferHelper.GetRequestFromClient(temp_client);
switch (client_request.RequestType)
{
case "registration":
{
RegistrationRequest registrationRequest = client_request as RegistrationRequest;
if (!IsUserNameExists(registrationRequest.UserName))
{
AddUser(new User(GetNewUserID(), registrationRequest.UserName, registrationRequest.Password));
RegistrationResponse registrationResponse = new RegistrationResponse();
DataTransferHelper.SendResponseToClient(temp_client, registrationResponse);
}
else
{
RegistrationResponse registrationResponse = new RegistrationResponse()
{
Ok = false,
Error = "user_name_exists"
};
DataTransferHelper.SendResponseToClient(temp_client, registrationResponse);
}
break;
}
case "auth":
{
AuthRequest authRequest = client_request as AuthRequest;
if (IsUserNameExists(authRequest.UserName))
{
User temp_user = GetUserByName(authRequest.UserName);
if (authRequest.Password == temp_user.Password)
{
if (IsBannedUser(temp_user.ID))
{
BanResponse banResponse = new BanResponse();
DataTransferHelper.SendResponseToClient(temp_client, banResponse);
}
else
{
if (IsConnectedUser(temp_user.ID))
{
AuthResponse authResponse = new AuthResponse(temp_user);
authResponse.Error = "user_is_connected";
authResponse.Ok = false;
DataTransferHelper.SendResponseToClient(temp_client, authResponse);
}
else
{
AuthResponse authResponse = new AuthResponse(temp_user);
DataTransferHelper.SendResponseToClient(temp_client, authResponse);
temp_user.IsConnected = true;
RaisePropertyChangedEvent("UserDataBase");
RaisePropertyChangedEvent("ConnectedUsers");
_clients.Add(temp_user.ID, temp_client);
_clients.Remove(client_user.ID);
client_user.ID = temp_user.ID;
client_user.Name = temp_user.Name;
client_user.Password = temp_user.Password;
for (int i = 0; i < ConnectedUsers.Count(); i++)
{
if (ConnectedUsers.ElementAt(i).ID == client_user.ID)
{
continue;
}
UserSignInResponse userSignInResponse = new UserSignInResponse(ConnectedUsers.ElementAt(i));
DataTransferHelper.SendResponseToClient(temp_client, userSignInResponse);
}
for (int i = 0; i < _clients.Count(); i++)
{
if (_clients.ElementAt(i).Key == client_user.ID)
{
continue;
}
UserSignInResponse userSignInResponse = new UserSignInResponse(client_user);
DataTransferHelper.SendResponseToClient(_clients.ElementAt(i).Value, userSignInResponse);
}
}
}
}
else
{
AuthResponse authResponse = new AuthResponse(null)
{
Ok = false,
Error = "invalid_password"
};
DataTransferHelper.SendResponseToClient(temp_client, authResponse);
}
}
else
{
AuthResponse authResponse = new AuthResponse(null)
{
Ok = false,
Error = "user_name_not_exists"
};
DataTransferHelper.SendResponseToClient(temp_client, authResponse);
}
break;
}
case "signout":
{
GetUserByID(client_user.ID).IsConnected = false;
throw new Exception();
}
case "message":
{
MessageResponse messageResponse = new MessageResponse((client_request as MessageRequest).Message);
SendResponseToAllClients(messageResponse);
break;
}
default:
break;
}
}
}
catch (Exception e)
{
}
finally
{
temp_client?.Close();
_clients.Remove(client_user.ID);
if (client_user != null)
{
User temp_user = GetUserByID(client_user.ID);
if (temp_user != null)
{
temp_user.IsConnected = false;
}
UserSignOutResponse userSignOutResponse = new UserSignOutResponse(client_user);
SendResponseToAllClients(userSignOutResponse);
}
RaisePropertyChangedEvent("UserDataBase");
RaisePropertyChangedEvent("ConnectedUsers");
}
}