public JsonResult GetAll()
        {
            if (!(Session["gamer"] is Gamer))
            {
                return(Json(Errors.GamerNotLoggedIn, JsonRequestBehavior.AllowGet));
            }

            var gameResultDtoList = _gameResultService.GetAllGameResults().ToList();

            var gameResultListViewModel = Mapper.Map <IEnumerable <GameResultViewModel> >(gameResultDtoList);

            return(Json(gameResultListViewModel, JsonRequestBehavior.AllowGet));
        }