fixes

pkg/logger/logger.go

@@ -0,0 +1,57 @@
+package logger
+
+import (
+	"os"
+
+	"github.com/rs/zerolog"
+	"github.com/rs/zerolog/log"
+)
+
+// Config contains logger configuration
+type Config struct {
+	Level  string // debug, info, warn, error
+	Format string // json, pretty
+}
+
+// Init initializes the global logger
+func Init(cfg Config) error {
+	// Set log level
+	level, err := zerolog.ParseLevel(cfg.Level)
+	if err != nil {
+		level = zerolog.InfoLevel
+	}
+	zerolog.SetGlobalLevel(level)
+
+	// Set time format
+	zerolog.TimeFieldFormat = zerolog.TimeFormatUnixMs
+
+	// Set format
+	if cfg.Format == "pretty" {
+		log.Logger = log.Output(zerolog.ConsoleWriter{Out: os.Stdout, TimeFormat: "15:04:05.000"})
+	} else {
+		// JSON format (default for production)
+		log.Logger = zerolog.New(os.Stdout).With().Timestamp().Logger()
+	}
+
+	return nil
+}
+
+// Get returns the global logger
+func Get() *zerolog.Logger {
+	return &log.Logger
+}
+
+// WithFields returns a logger with additional fields
+func WithFields(fields map[string]interface{}) *zerolog.Logger {
+	logger := log.Logger
+	for k, v := range fields {
+		logger = logger.With().Interface(k, v).Logger()
+	}
+	return &logger
+}
+
+// WithRequestID returns a logger with request ID
+func WithRequestID(requestID string) *zerolog.Logger {
+	logger := log.With().Str("request_id", requestID).Logger()
+	return &logger
+}

pkg/logger/middleware.go

@@ -0,0 +1,65 @@
+package logger
+
+import (
+	"net/http"
+	"time"
+
+	"github.com/lukaszraczylo/gohoarder/pkg/uuid"
+	"github.com/rs/zerolog/log"
+)
+
+// responseWriter wraps http.ResponseWriter to capture status code
+type responseWriter struct {
+	http.ResponseWriter
+	statusCode int
+	written    int64
+}
+
+func (rw *responseWriter) WriteHeader(code int) {
+	rw.statusCode = code
+	rw.ResponseWriter.WriteHeader(code)
+}
+
+func (rw *responseWriter) Write(b []byte) (int, error) {
+	n, err := rw.ResponseWriter.Write(b)
+	rw.written += int64(n)
+	return n, err
+}
+
+// Middleware is HTTP middleware for request logging
+func Middleware(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		start := time.Now()
+
+		// Generate request ID
+		requestID := r.Header.Get("X-Request-ID")
+		if requestID == "" {
+			requestID = "req_" + uuid.New().String()[:8]
+		}
+
+		// Wrap response writer
+		rw := &responseWriter{
+			ResponseWriter: w,
+			statusCode:     http.StatusOK,
+		}
+
+		// Set request ID in response header
+		rw.Header().Set("X-Request-ID", requestID)
+
+		// Call next handler
+		next.ServeHTTP(rw, r)
+
+		// Log request
+		duration := time.Since(start)
+		log.Info().
+			Str("request_id", requestID).
+			Str("method", r.Method).
+			Str("path", r.URL.Path).
+			Str("remote_addr", r.RemoteAddr).
+			Str("user_agent", r.UserAgent()).
+			Int("status", rw.statusCode).
+			Int64("bytes", rw.written).
+			Dur("duration_ms", duration).
+			Msg("HTTP request")
+	})
+}