public static void Execute(Game game)
 {
     using (var context = new MonopolyDotNetDbContext())
       {
     context.Games.Attach(game);
     game.BuyProperty();
     context.SaveChanges();
       }
 }
 public static void Execute(string username, NewGameData newGameData)
 {
     using (var context = new MonopolyDotNetDbContext())
       {
     var game = new Game(newGameData, username);
     context.Games.Add(game);
     context.SaveChanges();
       }
 }