internal async static Task SendCurrentGame(IHubContext <MessageHub> hubContext, SignalRGame currentGame)
 {
     await hubContext.Clients.All.SendAsync(SignalRTopics.GameCurrent, currentGame);
 }
        internal async static Task SendAllPendingGames(IHubContext <MessageHub> hubContext, List <Gamer> gamers, SignalRGame currentGame)
        {
            var games = gamers
                        .Where(f => f.Games.Any(st => st.State == GameState.Pending))
                        .Where(f => currentGame == null || currentGame.Id != f.Id)
                        .OrderBy(f => f.Games.Where(g => g.State == GameState.Pending).Max(g => g.DateCreated))
                        .Select(f => new SignalRGame(f.Id, f.DisplayName, 0, 0, 3)).ToList();

            await hubContext.Clients.All.SendAsync(SignalRTopics.GamesPending, games);
        }