gonotes/internal/middleware/logger.go

// Middleware to Log out requests and response status code
package middleware

import (
	"log"
	"net/http"

	"forgejo.gwairfelin.com/max/gonotes/internal/conf"
)

// Response writer that store the status code for logging
type loggingResponseWriter struct {
	http.ResponseWriter
	statusCode int
}

func NewLoggingResponseWriter(w http.ResponseWriter) *loggingResponseWriter {
	return &loggingResponseWriter{w, http.StatusOK}
}

func (w *loggingResponseWriter) WriteHeader(code int) {
	w.statusCode = code
	w.ResponseWriter.WriteHeader(code)
}

// Middleware to log out requests and response status code
func LoggingMiddleware(next http.Handler) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		lwr := NewLoggingResponseWriter(w)
		next.ServeHTTP(lwr, r)

		if conf.Conf.LogAccess {
			log.Printf("%s %s %s%s %d", r.RemoteAddr, r.Method, r.Host, r.URL.Path, lwr.statusCode)
		}
	})
}