public static IApplicationBuilder UseApiExceptionHandler(this IApplicationBuilder builder,
Action <ApiExceptionOptions> configureOptions)
{
var options = new ApiExceptionOptions();
configureOptions(options);
return(BuilderWithApiExceptionHandler(builder, options));
}
private static Task HandleExceptionAsync(HttpContext context, Exception exception, ApiExceptionOptions opts)
{
var nid = opts.Nid ?? Assembly.GetEntryAssembly().GetName().Name.ToLowerInvariant();
var instance = $"urn:{nid}:error:{Guid.NewGuid()}";
Log.Error(exception, "{Instance} | An exception was caught in the API request pipeline", instance);
if (exception.GetType() == typeof(DomainException))
{
var domainProblemDetails = new ValidationProblemDetails()
{
Instance = instance,
Status = StatusCodes.Status400BadRequest,
Detail = "Please refer to the errors property for additional details."
};
domainProblemDetails.Errors.Add("DomainValidations", new string[] { exception.Message });
throw new ProblemDetailsException(domainProblemDetails);
}
var problemDetails = new ProblemDetails
{
Type = "https://httpstatuses.com/500",
Title = "An unexpected error occurred!",
Status = (short)HttpStatusCode.InternalServerError,
Detail = "Please use the instance value and contact our support team if the problem persists.",
Instance = instance
};
opts.AddResponseDetails?.Invoke(context, exception, problemDetails);
throw new ProblemDetailsException(problemDetails);
}
public ApiExceptionMiddleware(ApiExceptionOptions options, RequestDelegate next)
{
_next = next;
_options = options;
}
private static IApplicationBuilder BuilderWithApiExceptionHandler(IApplicationBuilder builder, ApiExceptionOptions options)
{
return(builder
.UseProblemDetails()
.UseMiddleware <ApiExceptionMiddleware>(options));
}
public static IApplicationBuilder UseApiExceptionHandler(this IApplicationBuilder builder)
{
var options = new ApiExceptionOptions();
return(BuilderWithApiExceptionHandler(builder, options));
}