public ConnectedStatuses Connect(UserDTO user)
{
if (!_users.ContainsValue(CurrentCallback) &&
!SearchClientsByName(user.Name)) //exists user in chatroom
{
lock (_syncObj)
{
if (ContainsUser(user)) //exists user in db
{
if(!ValidateUserPassword(user))
{
return ConnectedStatuses.PasswordNotValid;
}
}
else
{
AddUserToDataBase(user);
}
RegisterUser(user); //register user in chatroom
foreach (var key in _users.Keys)
{
var callback = _users[key];
try
{
UpdateClients(callback);
}
catch
{
_users.Remove(key);
return ConnectedStatuses.Error;
}
}
}
return ConnectedStatuses.Connected;
}
return ConnectedStatuses.AlreadyConnected;
}
private bool ValidateUserPassword(UserDTO user)
{
var dbUser = _userRepository.GetUserByName(user.Name);
dbUser.Password = user.Password;
return dbUser.IsPasswordValid();
}
private void RegisterUser(UserDTO user)
{
var newUser = GetUserByName(user.Name);
_users.Add(newUser, CurrentCallback);
CurrentCallback.ReturnUser(newUser);
}
private bool ContainsUser(UserDTO user)
{
return _userRepository.Contains(user.Name);
}
private void AddUserToDataBase(UserDTO user)
{
_userRepository.Add(Mapper.Map<UserDTO, User>(user));
}
public List<MessageDTO> GetLogByUser(UserDTO user)
{
var byUser = Mapper.Map<UserDTO, User>(user);
var messages = _messageRepository.GetMessagesByUser(byUser).ToList();
return
Mapper.Map<List<Message>, List<MessageDTO>>(messages);
}
public void Disconnect(UserDTO user)
{
foreach (var c in _users.Keys)
{
if (user.Name != c.Name) continue;
lock (_syncObj)
{
_users.Remove(c);
NotifyClientsForUserDisconnect();
}
return;
}
}