changes in sockets and terminal development

backend/internal/api/handlers/middleware.go

@@ -0,0 +1,49 @@
+package handlers
+
+import (
+	"log"
+	"net/http"
+	"time"
+)
+
+// LoggingMiddleware logs HTTP requests
+func LoggingMiddleware(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		startTime := time.Now()
+		log.Printf("[HTTP] %s %s %s", r.Method, r.URL.Path, r.RemoteAddr)
+		next.ServeHTTP(w, r)
+		log.Printf("[HTTP] %s %s completed in %v", r.Method, r.URL.Path, time.Since(startTime))
+	})
+}
+
+// CORSMiddleware adds CORS headers to responses
+func CORSMiddleware(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		// Set CORS headers
+		w.Header().Set("Access-Control-Allow-Origin", "*")
+		w.Header().Set("Access-Control-Allow-Methods", "GET, POST, OPTIONS")
+		w.Header().Set("Access-Control-Allow-Headers", "Content-Type, Authorization")
+
+		// Handle preflight requests
+		if r.Method == http.MethodOptions {
+			w.WriteHeader(http.StatusOK)
+			return
+		}
+
+		// Call the next handler
+		next.ServeHTTP(w, r)
+	})
+}
+
+// RecoveryMiddleware recovers from panics
+func RecoveryMiddleware(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		defer func() {
+			if err := recover(); err != nil {
+				log.Printf("[PANIC] %v", err)
+				http.Error(w, "Internal server error", http.StatusInternalServerError)
+			}
+		}()
+		next.ServeHTTP(w, r)
+	})
+}