From 15887d9d2e480aa7d511a560904929a05a8682ec Mon Sep 17 00:00:00 2001
From: mstar <me@mstar.dev>
Date: Fri, 11 Apr 2025 10:44:50 +0200
Subject: [PATCH] Add builder for Logging middleware

Builder offers option to add extra fields to log messages
---
 http/zerolog.go | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/http/zerolog.go b/http/zerolog.go
index 10b2cd2..61cec54 100644
--- a/http/zerolog.go
+++ b/http/zerolog.go
@@ -9,6 +9,33 @@ import (
 	"github.com/rs/zerolog/log"
 )
 
+func BuildLoggingMiddleware(extras map[string]string) HandlerBuilder {
+	return func(h http.Handler) http.Handler {
+		return ChainMiddlewares(h,
+			hlog.NewHandler(log.Logger),
+			hlog.AccessHandler(func(r *http.Request, status, size int, duration time.Duration) {
+				if strings.HasPrefix(r.URL.Path, "/assets") {
+					return
+				}
+				logger := hlog.FromRequest(r).Info().
+					Str("method", r.Method).
+					Stringer("url", r.URL).
+					Int("status", status).
+					Int("size", size).
+					Dur("duration", duration)
+				for k, v := range extras {
+					logger = logger.Str(k, v)
+				}
+				logger.Send()
+			}),
+			hlog.RemoteAddrHandler("ip"),
+			hlog.UserAgentHandler("user_agent"),
+			hlog.RefererHandler("referer"),
+			hlog.RequestIDHandler("req_id", "Request-Id"),
+		)
+	}
+}
+
 func LoggingMiddleware(handler http.Handler) http.Handler {
 	return ChainMiddlewares(handler,
 		hlog.NewHandler(log.Logger),