refactor: reorganize struct fields, add new handlers and storage backends

- [x] Reorder struct fields across codebase for consistency
- [x] Add analytics event handlers and tests
- [x] Add authentication API key management handlers and tests
- [x] Add pre-warming control handlers and tests
- [x] Implement S3 storage backend with tests
- [x] Implement SMB/CIFS storage backend with tests
- [x] Add CDN middleware tests
- [x] Integrate analytics tracking into cache manager
- [x] Add S3 and SMB storage initialization in app setup
- [x] Add CDN caching to proxy handlers
- [x] Remove distributed locking (Redis lock manager)
- [x] Remove proxy common package and utilities
- [x] Remove standalone HTTP server package
- [x] Remove logger middleware
- [x] Simplify error handling utilities
- [x] Update config with S3 and SMB options
- [x] Update cache manager signature to include analytics

pkg/logger/logger.go

@@ -35,23 +35,3 @@ func Init(cfg Config) error {
 
 	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

@@ -1,65 +0,0 @@
-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")
-	})
-}