public void SendConnections(PokerUser user)
        {
            if (GetSession(user) != null)
            {
                messageSender.AllreadyConnected(user);
                return;
            }

            if (ScrumPokerSessions.Any())
            {
                messageSender.SendConnections(user, ScrumPokerSessions.ToArrayLocked());
            }
            else
            {
                messageSender.NoRunningSession(user);
            }
        }