From 6079b1d963f34ada5c4b25363f2319901e283936 Mon Sep 17 00:00:00 2001
From: "Gabriel A. Giovanini" <mail@gabrielgio.me>
Date: Sat, 8 Jun 2024 00:01:44 +0200
Subject: feat: Add error handling

---
 pkg/ext/log.go | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 pkg/ext/log.go

(limited to 'pkg/ext/log.go')

diff --git a/pkg/ext/log.go b/pkg/ext/log.go
new file mode 100644
index 0000000..a9d26a9
--- /dev/null
+++ b/pkg/ext/log.go
@@ -0,0 +1,53 @@
+package ext
+
+import (
+	"log/slog"
+	"net/http"
+	"time"
+)
+
+type statusWraper struct {
+	statusCode  int
+	innerWriter http.ResponseWriter
+}
+
+func (s *statusWraper) Header() http.Header {
+	return s.innerWriter.Header()
+}
+
+func (s *statusWraper) Write(b []byte) (int, error) {
+	return s.innerWriter.Write(b)
+}
+
+func (s *statusWraper) WriteHeader(statusCode int) {
+	s.statusCode = statusCode
+	s.innerWriter.WriteHeader(statusCode)
+}
+
+func (s *statusWraper) StatusCode() int {
+	if s.statusCode == 0 {
+		return 200
+	}
+	return s.statusCode
+}
+
+func wrap(w http.ResponseWriter) *statusWraper {
+	return &statusWraper{
+		innerWriter: w,
+	}
+}
+
+func Log(next http.HandlerFunc) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		t := time.Now()
+		s := wrap(w)
+		next(s, r)
+		slog.Info(
+			"Http request",
+			"method", r.Method,
+			"code", s.StatusCode(),
+			"path", r.URL,
+			"elapsed", time.Since(t),
+		)
+	}
+}
-- 
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