public ValidationResult UserPayment(string userName, string[] orderDetailsIds)
{
var result = new ValidationResult();
var userBlance = _userRepository.GetUserFundAccountBalance(userName);
var orderDetails = _odRepository.GetOrderDetailByIds(orderDetailsIds);
var total = orderDetails.Select(t => t.UnitPrice).Sum();
if (userBlance < total)
{
result.IsValid = false;
result.Message = "对不起，账户余额不足，无法完成购买";
return(result);
}
_userRepository.UpdateFundAccount(userName, userBlance - total);
//设定交易完成
orderDetails.ForEach(t => t.IsClosed = false);
_odRepository.UpdateOrderDetails(orderDetails);
result.IsValid = true;
result.Message = "付款完成！";
return(result);
}
public IActionResult Edit(int ProductId, int OrderId) => View(detailRepository.GetOrderDetailByIds(ProductId, OrderId));