public SignInResponse SignIn(SignInRequest request)
{
lock (_access)
{
IChatClient currentClient = _chatClientsProvider.GetCurrentClient();
if (currentClient == null)
{
_logger.Warn("Sign in failure: wrong callback channel.", WarnCategory.InvalidRequest);
return(SignInResponse.Failed(Errors.CallbackChannelFailure));
}
if (_chatClientsProvider.IsClientActive(currentClient) &&
_chatClientsProvider.IsClientSignedIn(currentClient))
{
_logger.Warn("Sign in failure: already signed in.", WarnCategory.InvalidRequest);
return(SignInResponse.Failed(Errors.AlreadySignedIn));
}
string name = request.Name;
if (string.IsNullOrWhiteSpace(name))
{
_logger.Info("Sign in failure: empty name.", InfoCategory.Validation);
return(SignInResponse.Failed(Errors.EmptyNameNotAllowed));
}
if (name.Length > Limits.UsernameMaxLength)
{
_logger.Info("Sign in failure: name length exceeded limits.", InfoCategory.Validation);
return(SignInResponse.Failed(Errors.NameLengthExceededLimits));
}
if (_chatClientsProvider.IsNameActive(name))
{
_logger.Info("Sign in failure: name already taken.", InfoCategory.Validation);
return(SignInResponse.Failed(Errors.NameAlreadyTaken));
}
_chatClientsProvider.AddCurrent(name);
BroadcastUpdateOnlineCount();
BroadcastMessage($"{name} has joined the chat.");
SignInResponse response = SignInResponse.Successful();
response.OnlineCount = _chatClientsProvider.GetClientsCount();
return(response);
}
}
public SignInResponse SignIn(SignInRequest request)
{
IChatClient currentClient = _chatClientProvider.GetCurrent();
if (currentClient == null)
{
_logger.Warn("Sign in failure: wrong callback channel.", WarnCategory.InvalidRequest);
return(SignInResponse.Failed(Errors.CallbackChannelFailure));
}
if (_clients.ContainsKey(currentClient))
{
_logger.Warn("Sign in failure: already signed in.", WarnCategory.InvalidRequest);
return(SignInResponse.Failed(Errors.AlreadySignedIn));
}
string name = request.Name;
if (string.IsNullOrWhiteSpace(name))
{
_logger.Info("Sign in failure: empty name.", InfoCategory.Validation);
return(SignInResponse.Failed(Errors.EmptyNameNotAllowed));
}
if (name.Length > Limits.UsernameMaxLength)
{
_logger.Info("Sign in failure: name length exceeded limits.", InfoCategory.Validation);
return(SignInResponse.Failed(Errors.NameLengthExceededLimits));
}
if (_clients.Values.Contains(name))
{
_logger.Info("Sign in failure: name already taken.", InfoCategory.Validation);
return(SignInResponse.Failed(Errors.NameAlreadyTaken));
}
_clients[currentClient] = name;
Broadcast($"{name} has joined the chat.");
return(SignInResponse.Successful());
}