WCF WebApi，处理 IsThisTaken 查询的正确方法是什么？
我正在编写 WCF webapi 应用程序，需要检查电子邮件地址是否被占用。这需要是客户端代码在尝试 PUT 之前可以执行的查询。
因此，我想做的是将 HEAD 与 HTTP 状态代码结合使用。我有点不确定如何去做，因为它需要一个简单的是/否响应。因此，我使用 HttpResponseExceptions 返回相关的状态代码。
[WebInvoke(Method = "HEAD", UriTemplate = "{email}")]
[RequireAuthorisation]
public void IsEmailAddressTaken(string email)
{
if (!Regex.IsMatch(email, Regexes.EmailPattern))
{
throw new RestValidationFailureException("email", "invalid email address");
}
if (_repository.IsEmailAddressTaken(email))
{
throw new HttpResponseException(HttpStatusCode.OK);
}
throw new HttpResponseException(HttpStatusCode.NoContent);
}
这对我来说“闻起来”不太对劲。
我是否要以正确的方式进行这种是/否操作？
I am in the process of writing a WCF webapi application and have a need to check whether an email address is taken or not. This needs to be a query the client-side code can do before attempting a PUT.
So, what I'm trying to do is use HEAD in conjunction with HTTP status codes. I am a little unsure how to go about doing that as it's a simple yes/no response which is required. So, I've used HttpResponseExceptions to return the relevant status code.
[WebInvoke(Method = "HEAD", UriTemplate = "{email}")]
[RequireAuthorisation]
public void IsEmailAddressTaken(string email)
{
if (!Regex.IsMatch(email, Regexes.EmailPattern))
{
throw new RestValidationFailureException("email", "invalid email address");
}
if (_repository.IsEmailAddressTaken(email))
{
throw new HttpResponseException(HttpStatusCode.OK);
}
throw new HttpResponseException(HttpStatusCode.NoContent);
}
This just doesn't "smell" right to me.
am I going about doing this kind of yes/no operation the right way?
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我的建议是返回 HttpResponseMessage 而不是抛出异常。
您的
RestValidationFailureException是否在任何地方得到处理？如果不是，则会产生 500 状态代码，这似乎不够。My suggestion is to return a
HttpResponseMessageinstead of throwing exceptions.Is your
RestValidationFailureExceptionbeing handled anywhere? If not, it will result in a 500 status code, which does not seem adequate.我认为对于“存在”返回 OK ，对于“不存在”返回 404 就可以了
I think it would be ok to just return OK for "exists" and 404 for "does not exist"