initial

server/middleware/cache.go

@@ -0,0 +1,18 @@
+package middleware
+
+import (
+	"net/http"
+	"wnzl-snow/version"
+)
+
+// CacheMiddleware sets the Cache-Control header based on the version.
+func CacheMiddleware(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if version.Value == "dev" {
+			w.Header().Set("Cache-Control", "no-cache")
+		} else {
+			w.Header().Set("Cache-Control", "public, max-age=31536000")
+		}
+		next.ServeHTTP(w, r)
+	})
+}

server/middleware/logging.go

@@ -0,0 +1,35 @@
+package middleware
+
+import (
+	"log/slog"
+	"net/http"
+	"time"
+)
+
+// LoggingMiddleware represents a logging middleware.
+type LoggingMiddleware struct {
+	logger  *slog.Logger
+	handler http.Handler
+}
+
+// NewLoggingMiddleware creates a new logging middleware with the given logger and handler.
+func NewLoggingMiddleware(logger *slog.Logger, handler http.Handler) *LoggingMiddleware {
+	return &LoggingMiddleware{
+		logger:  logger,
+		handler: handler,
+	}
+}
+
+// ServeHTTP logs the request and calls the next handler.
+func (l *LoggingMiddleware) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	start := time.Now()
+	l.handler.ServeHTTP(w, r)
+
+	l.logger.Debug(
+		"Request recieved",
+		slog.String("method", r.Method),
+		slog.String("path", r.URL.Path),
+		slog.String("remote", r.RemoteAddr),
+		slog.Duration("duration", time.Since(start)),
+	)
+}

server/middleware/middleware.go

@@ -0,0 +1,22 @@
+package middleware
+
+import "net/http"
+
+type Handler func(http.Handler) http.Handler
+
+func Chain(handlers ...Handler) Handler {
+	if len(handlers) == 0 {
+		return defaultHandler
+	}
+
+	return func(next http.Handler) http.Handler {
+		for i := len(handlers) - 1; i >= 0; i-- {
+			next = handlers[i](next)
+		}
+		return next
+	}
+}
+
+func defaultHandler(next http.Handler) http.Handler {
+	return next
+}