public async Task <CheckoutResponse> SaveAsync(Checkout checkout)
        {
            try
            {
                await _checkoutRepository.AddAsync(checkout);

                await _unitOfWork.CompleteAsync();

                return(new CheckoutResponse(checkout));
            }
            catch (Exception ex)
            {
                return(new CheckoutResponse($"An error occurred when saving the checkout:{ex.Message}"));
            }
        }