public ModelToModel GetAll()
        {
            ModelToModel mm;

            mm = new ModelToModel();
            mm.basketItems = new List<BasketItem>();
            using (BookMarketDbContext db = new BookMarketDbContext())
            {
                foreach (var entry in db.GetAllBasketItems())
                    mm.basketItems.Add(entry);
            }
            return mm;
        }