todo/internal/middleware/logging.go

40 lines
952 B
Go

package middleware
import (
"log/slog"
"net/http"
)
type LoggingResponseWriter struct {
http.ResponseWriter
statusCode int
}
func NewLoggingResponseWriter(w http.ResponseWriter) *LoggingResponseWriter {
return &LoggingResponseWriter{w, http.StatusOK}
}
func (lrw *LoggingResponseWriter) WriteHeader(code int) {
lrw.statusCode = code
lrw.ResponseWriter.WriteHeader(code)
}
func LoggingMiddleware(logger *slog.Logger) func(http.Handler) http.Handler {
return func(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
logger.InfoContext(r.Context(), "Incoming request",
slog.String("method", r.Method),
slog.String("path", r.URL.String()),
)
lrw := NewLoggingResponseWriter(w)
next.ServeHTTP(lrw, r)
logger.InfoContext(r.Context(), "Sent response",
slog.Int("code", lrw.statusCode),
slog.String("message", http.StatusText(lrw.statusCode)),
)
})
}
}