Suggest to have app.UseFeatureManagement about featuremanagement-dotnet HOT 8 OPEN

If I understand your proposal correctly, the problem with it is that the request that calls TrackEvent may never trigger a feature evaluation at all. The heart-vote button is an example. If I misunderstand your proposal, please elaborate.

On the other hand, I'm happy to ship an in-box HttpContext-based TargetingContextAccessor. Please open a separate issue with details of the proposal.

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add ASP.NET stuff to the .AddFeatureManagement()

Adding anything ASP.NET related to the AddFeatureManagement method isn't doable since AddFeatureManagement is in the base feature management library.

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I like it. I was thinking about something similar too.

The TargetingHttpContextMiddleware is only useful for ASP.NET targeting telemetry. The name of UseFeatureManagement is quite generic. We may want to reserve that name for a more base library though.

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The middleware is defined in our base ASP.NET Core library, given the extension depends on ASP.NET core, I don't think it could go into any more base of a library.

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You are right about the base library, Jimmy.

As we discussed offline, since TargetingHttpContextMiddleware is only useful for 1. targeting scenarios 2. AppInsights telemetry. To be a good citizen, ideally, we can add middleware only when we detect those conditions. Then I have no concerns to wrap the middleware in the generic method UseFeatureManagement.

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I think this middleware can be obsoleted by a TargetingContextAccessor doing the same thing. I spoke a little with Jimmy about the idea. I plan to make a PR and we can discuss further on that. Happy to keep this issue open until that's decided on.

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Hey @zhenlan & @jimmyca15 , looks like we were considering to add ASP.NET stuff to the .AddFeatureManagement(). Do we still feel that way about the out-of-the-box HttpTargetingContextAccessor?

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Related: #424

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