Unable to run controller while using chi middleware in golang

Question

I am writing a middleware function in golang net/http using chi but the controller function isn't being executed (couldn't print 1 in the function).

Calling the middleware:

r.With(myMiddleware.Authware).Post("/tryon", mainController.Tryon)

package - myMiddleware

func Authware(next http.Handler) http.Handler {
    return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
        // Middleware code
    })
}

package - mainController

func Tryon(w http.ResponseWriter, r *http.Request) {
    // Dosent print anything
    log.Println(1)
}

I read the documentation but it didn't help much

Could you please help out debug and let me know why is this happening? Also, if I want to return some data from the middleware to the controller, how do I do it?

Sakib Md Al Amin · Accepted Answer · 2022-08-13 18:13:44Z

2

main.go

func main() {
    r := chi.NewRouter()
    r.With(middle.Authware).Post("/tryon", controller.Tryon)
    http.ListenAndServe(":3000", r)
}

Invoke the controller after passing the middleware logic:

middleware.go

func Authware(next http.Handler) http.Handler {
    return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
        // Middleware code
        next.ServeHTTP(w, r)
    })
}

controller.go

func Tryon(w http.ResponseWriter, r *http.Request) {
    // Doesn't print anything
    log.Println(1)
}

If you really want it to be a POST request: curl -X POST localhost:3000/tryon

P.S: go through the code example here: https://github.com/go-chi/chi

edited Aug 13, 2022 at 18:13

answered Aug 13, 2022 at 18:04

Sakib Md Al Amin

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