/// <summary>
/// 成功返回值
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public IActionResult OnSuccessed(ActionExecutedContext context)
{
object data;
// 处理内容结果
if (context.Result is ContentResult contentResult)
{
data = contentResult.Content;
}
// 处理对象结果
else if (context.Result is ObjectResult objectResult)
{
data = objectResult.Value;
}
else
{
return(null);
}
return(new JsonResult(new RESTfulResult <object>
{
StatusCode = context.Result is EmptyResult ? StatusCodes.Status204NoContent : StatusCodes.Status200OK, // 处理没有返回值情况 204
Successed = true,
Data = data,
Errors = null,
Extras = UnifyResultContext.Take()
}));
}
/// <summary>
/// 处理规范化结果
/// </summary>
/// <param name="context"></param>
/// <param name="next"></param>
/// <returns></returns>
public async Task OnActionExecutionAsync(ActionExecutingContext context, ActionExecutionDelegate next)
{
// 排除 Mvc 视图
var actionDescriptor = context.ActionDescriptor as ControllerActionDescriptor;
if (actionDescriptor.ControllerTypeInfo.BaseType == typeof(Controller))
{
await next();
return;
}
var actionExecutedContext = await next();
// 如果没有异常再执行
if (actionExecutedContext.Exception == null && !UnifyResultContext.IsSkipOnSuccessUnifyHandler(actionDescriptor.MethodInfo, out var unifyResult))
{
// 处理规范化结果
if (unifyResult != null && context.Result == null)
{
var result = unifyResult.OnSuccessed(actionExecutedContext);
if (result != null)
{
actionExecutedContext.Result = result;
}
}
}
}
/// <summary>
/// 中间件执行方法
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public async Task InvokeAsync(HttpContext context)
{
await _next(context);
// 处理规范化结果
if (!UnifyResultContext.IsSkipUnifyHandler(context, out var unifyResult))
{
await unifyResult.OnResponseStatusCodes(context, context.Response.StatusCode);
}
}
/// <summary>
/// 验证失败返回值
/// </summary>
/// <param name="context"></param>
/// <param name="modelStates"></param>
/// <param name="validationResults"></param>
/// <param name="validateFaildMessage"></param>
/// <returns></returns>
public IActionResult OnValidateFailed(ActionExecutingContext context, ModelStateDictionary modelStates, Dictionary <string, IEnumerable <string> > validationResults, string validateFaildMessage)
{
return(new JsonResult(new RESTfulResult <object>
{
StatusCode = StatusCodes.Status400BadRequest,
Successed = false,
Data = null,
Errors = validationResults,
Extras = UnifyResultContext.Take()
}));
}
/// <summary>
/// 异常返回值
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public IActionResult OnException(ExceptionContext context)
{
// 解析异常信息
var(ErrorCode, ErrorObject) = UnifyResultContext.GetExceptionMetadata(context);
return(new JsonResult(new RESTfulResult <object>
{
StatusCode = ErrorCode,
Successed = false,
Data = null,
Errors = ErrorObject
}));
}