goutils/http/context.go

package http

import (
	"context"
	"net/http"
)

func ContextValsMiddleware(pairs map[any]any) HandlerBuilder {
	return func(h http.Handler) http.Handler {
		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
			ctx := r.Context()
			for key, val := range pairs {
				ctx = context.WithValue(ctx, key, val)
			}
			newRequest := r.WithContext(ctx)
			h.ServeHTTP(w, newRequest)
		})
	}
}