public HttpResponse AddToCollection(string playerId)
        {
            if (!User.IsAuthenticated)
            {
                return(Redirect("/Users/Login"));
            }

            var id = this.User.Id;

            var checkForErrors = playerService.AddplayerToUserCollection(this.User.Id, playerId);

            if (!string.IsNullOrEmpty(checkForErrors) || !string.IsNullOrWhiteSpace(checkForErrors))
            {
                return(Error(checkForErrors));
            }

            return(Redirect("/Players/All"));
        }