/// <summary>
/// Login
/// Logins the user and registers the callback into a dictionary of
/// logged in users.
/// Sends a messgae that the user has logged on...
/// </summary>
/// <param name="userName">user name from the client (string)</param>
public void Login(string userName)
{
// Trim the Username to 15 Characters
if (userName.Length > 15)
{
userName = userName.Substring(0, 15);
}
// This is the caller and registers the callback for the service to
// communicate the new messages
IChatServiceCallback callback = OperationContext.Current.GetCallbackChannel <IChatServiceCallback>();
// Validates the User is Not Already Logged In
if (!loggedInUsers.ContainsKey(userName))
{
// Add to the List of Logged on Users
loggedInUsers.Add(userName, callback);
// Send a Message that the new user is Logged In
SendMessage("Admin", $"User {userName} logged in...");
// Write to Console
Console.WriteLine($"User {userName} logged in...");
} // end of if
// Duplicate User Fault - User Logged In Already
else
{
DuplicateUserFault fault = new DuplicateUserFault()
{
Reason = "User '" + userName + "' already logged in!"
};
throw new FaultException <DuplicateUserFault>(fault);
} // end of else
} // end of method
public bool AddMeToServer(string userName)
{
if (userName.Length > 15)
{
userName = userName.Substring(0, 15);
}
IOneToOneChatCallback callback = OperationContext.Current.GetCallbackChannel <IOneToOneChatCallback>();
if (!loggedInUsers.ContainsKey(userName))
{
loggedInUsers.Add(userName, callback);
Console.WriteLine($"User {userName} logged in...");
// Notify all the online users about newly joined user
NotifyAllOnlineUsersAboutNewlyJoinedUser(userName);
return(true);
} // end of if
else
{
DuplicateUserFault fault = new DuplicateUserFault()
{
Reason = "User '" + userName + "' already logged in!"
};
throw new FaultException <DuplicateUserFault>(fault);
} // end of else
}
public bool AddMeToServer(string userName)
{
if (userName.Length > 15)
{
userName = userName.Substring(0, 15);
}
IChatServiceCallback callback = OperationContext.Current.GetCallbackChannel <IChatServiceCallback>();
if (!loggedInUsers.ContainsKey(userName))
{
loggedInUsers.Add(userName, callback);
SendMessage("Admin", $"User {userName} logged in...");
Console.WriteLine($"User {userName} logged in...");
return(true);
} // end of if
else
{
DuplicateUserFault fault = new DuplicateUserFault()
{
Reason = "User '" + userName + "' already logged in!"
};
throw new FaultException <DuplicateUserFault>(fault);
} // end of else
} // end of method
