FloorVisualizer/internal/middleware/logger.go

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package middleware
import (
"net/http"
"time"
"floorvisualizer/internal/logger"
)
type responseWriter struct {
http.ResponseWriter
statusCode int
wroteHeader bool
}
func (rw *responseWriter) WriteHeader(code int) {
if !rw.wroteHeader {
rw.statusCode = code
rw.wroteHeader = true
}
rw.ResponseWriter.WriteHeader(code)
}
func (rw *responseWriter) Write(b []byte) (int, error) {
if !rw.wroteHeader {
rw.statusCode = http.StatusOK
rw.wroteHeader = true
}
return rw.ResponseWriter.Write(b)
}
// Logging wraps an http.Handler with access logging, like Fiber's requestLogMiddleware.
// Format: METHOD /path 200 1.234ms
func Logging(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
start := time.Now()
rw := &responseWriter{ResponseWriter: w, statusCode: http.StatusOK}
next.ServeHTTP(rw, r)
logger.Info("%s %s %d %s", r.Method, r.URL.Path, rw.statusCode, time.Since(start))
})
}