public void Connect(User user)
{
_callBack = OperationContext.Current.GetCallbackChannel <IMessageServiceCallBack>();
if (_callBack != null)
{
_clients.Add(user.UserId, _callBack);
_users.Add(user);
_clients?.ToList().ForEach(c => c.Value.UserConnected(_users));
Console.WriteLine($"{user.Name} just connected");
}
}
public int LeaveTheConversation(string userName)
{
Console.WriteLine($"User {userName} is going to leave the conversation!");
IMessageServiceCallBack registeredUser =
OperationContext.Current.GetCallbackChannel <IMessageServiceCallBack>();
if (_callbackList.Contains(registeredUser))
{
_callbackList.Remove(registeredUser);
Console.WriteLine($"User {userName} has left the conversation!");
}
_callbackList.ForEach((serviceCallBack) => serviceCallBack.NotifyUserLeftTheConversation(userName));
Console.WriteLine($"Other users notified");
return(_callbackList.Count);
}
public int JoinTheConversation(string userName)
{
IMessageServiceCallBack registeredUser =
OperationContext.Current.GetCallbackChannel <IMessageServiceCallBack>();
Console.WriteLine($"User {userName} joined the conversation");
if (!_callbackList.Contains(registeredUser))
{
_callbackList.Add(registeredUser);
}
Console.WriteLine("Sending notification to all users...");
_callbackList.ForEach((callback) =>
{
callback.NotifyUserJoinedTheConversation(userName);
});
Console.WriteLine("Notification is sent.");
Console.WriteLine($"Users count: {_callbackList.Count}");
return(_callbackList.Count);
}
