public ActionResult Index()
        {
            if (SessionHelper.CurrentEntity.Is(EntityTypeEnum.Citizen) == false)
            {
                return(RedirectBackWithError("Only citizens can have houses!"));
            }

            var houses = houseRepository.GetOwnedHouses(SessionHelper.CurrentEntity.EntityID);

            var vm = new HouseIndexViewModel(houses);

            return(View(vm));
        }