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Hello all,

so im trying to filter que requests to an api, to process some filed in the header, i used ,mapwhen(), i can filter do what i want but then the process doesn continue, basicaly return nothing it doesnt go to the controller.

what i am missing?

What I have tried:

app.MapWhen(context => 
                (appbuilder) =>
                    //appbuilder.Run(async (context) =>  { await context.Response.WriteAsync("Tinha ano"); });
                    appbuilder.Use(async (context, next) =>
                        Microsoft.Extensions.Primitives.StringValues value;

                        context.Request.Headers.TryGetValue("value", out value);

                        if (vaue != "5")
                            await Task.FromResult(context.Response.StatusCode = StatusCodes.Status406NotAcceptable);
Richard Deeming 26-Nov-21 6:48am
await Task.FromResult(...) makes no sense at all.

Also, you're not calling the next item in the pipeline based on the code you've shown.
Maxpaine69 26-Nov-21 8:00am
yes that what was missing, From result, was only to send a status code.

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