Work on notifications + custom logger

api/server/logging.go

@@ -0,0 +1,85 @@
+package server
+
+import (
+	"bufio"
+	"errors"
+	"fmt"
+	"net"
+	"net/http"
+	"time"
+
+	"github.com/viktorstrate/photoview/api/graphql/auth"
+	"github.com/wsxiaoys/terminal/color"
+)
+
+func LoggingMiddleware(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		start := time.Now()
+
+		statusWriter := newStatusResponseWriter(&w)
+		next.ServeHTTP(statusWriter, r)
+
+		elapsed := time.Since(start)
+		date := time.Now().Format("2006/01/02 15:04:05")
+
+		status := statusWriter.status
+		var statusColor string
+		switch {
+		case status < 200:
+			statusColor = color.Colorize("b")
+		case status < 300:
+			statusColor = color.Colorize("g")
+		case status < 400:
+			statusColor = color.Colorize("c")
+		case status < 500:
+			statusColor = color.Colorize("y")
+		default:
+			statusColor = color.Colorize("r")
+		}
+
+		user := auth.UserFromContext(r.Context())
+		userText := "unauthenticated"
+		if user != nil {
+			userText = color.Sprintf("@ruser: %s", user.Username)
+		}
+
+		statusText := color.Sprintf("%s%s %d", statusColor, r.Method, status)
+		requestText := fmt.Sprintf("%s%s", r.Host, r.URL.Path)
+		durationText := color.Sprintf("@c%s", elapsed)
+
+		fmt.Printf("%s %s %s %s %s\n", date, statusText, requestText, durationText, userText)
+
+	})
+}
+
+type statusResponseWriter struct {
+	http.ResponseWriter
+	status   int
+	hijacker http.Hijacker
+}
+
+func newStatusResponseWriter(w *http.ResponseWriter) *statusResponseWriter {
+	return &statusResponseWriter{
+		ResponseWriter: *w,
+		hijacker:       (*w).(http.Hijacker),
+	}
+}
+
+func (w *statusResponseWriter) WriteHeader(status int) {
+	w.status = status
+	w.ResponseWriter.WriteHeader(status)
+}
+
+func (w *statusResponseWriter) Write(b []byte) (int, error) {
+	if w.status == 0 {
+		w.status = 200
+	}
+	return w.ResponseWriter.Write(b)
+}
+
+func (w *statusResponseWriter) Hijack() (net.Conn, *bufio.ReadWriter, error) {
+	if w.hijacker == nil {
+		return nil, nil, errors.New("http.Hijacker not implemented by underlying http.ResponseWriter")
+	}
+	return w.hijacker.Hijack()
+}