我决定所有与验证业务规则相关的逻辑都保留在 Service 类中,如果任何规则未通过,则抛出特定异常,在控制器类中,此异常将捕获并向客户端显示错误。这是代码
服务等级
public void ReleaseResults(long orderId)
{
var order =orderRepository.Get(orderId);
Check.Require(order != null, "Order was not found");
if (IsOrderReleased(order))
{
throw new ReleaseResultsException("The results has been already released", order.OrderNo);
}
if (AllLearnersHasStatusPresentAndMark(order))
{
throw new ReleaseResultsException("One or more learners unmarked", order.OrderNo);
}
if (!GradingBoundaryConfirmed(order))
{
throw new ReleaseResultsException("The Grading boundary needs to be confirmed", order.OrderNo);
}
foreach (var learnerDetail in order.LearnerDetails)
{
if (HasNotStatusPresent(learnerDetail))
{
continue;
}
learnerDetail.SetReleasedResults();
}
orderRepository.SaveOrUpdate(order);
}
控制器类
public ActionResult Release(EncryptedId orderId)
{
Check.Require(orderId != null, "The parameter orderId was null");
try
{
orderReleaseResultsService.ReleaseResults(orderId);
}
catch (ReleaseResultsException e)
{
return Content(string.Format("Error: {0}", e.Message));
}
return Content(MUI.TheResultsHasBeenReleased);
}
我不确定这是否是验证业务规则的最佳方式,任何人都可以帮助我提出建议或更好地解决这个问题吗?提前致谢!