small fix, don't worry about it

backend/internal/middleware/request_id.go

@@ -0,0 +1,64 @@
+package middleware
+
+import (
+	"time"
+
+	"github.com/gin-gonic/gin"
+	"github.com/google/uuid"
+	"go.uber.org/zap"
+)
+
+const requestIDHeader = "X-Request-ID"
+
+func RequestID() gin.HandlerFunc {
+	return func(c *gin.Context) {
+		requestID := c.GetHeader(requestIDHeader)
+		if requestID == "" {
+			requestID = uuid.NewString()
+		}
+
+		c.Set("request_id", requestID)
+		c.Header(requestIDHeader, requestID)
+		c.Next()
+	}
+}
+
+func AccessLog(log *zap.Logger) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		start := time.Now()
+		c.Next()
+
+		requestID, _ := c.Get("request_id")
+		log.Info("request",
+			zap.String("method", c.Request.Method),
+			zap.String("path", c.FullPath()),
+			zap.Int("status", c.Writer.Status()),
+			zap.Duration("duration", time.Since(start)),
+			zap.String("client_ip", c.ClientIP()),
+			zap.String("request_id", toString(requestID)),
+		)
+	}
+}
+
+func Recovery(log *zap.Logger) gin.HandlerFunc {
+	return gin.CustomRecovery(func(c *gin.Context, recovered any) {
+		requestID, _ := c.Get("request_id")
+		log.Error("panic recovered",
+			zap.Any("panic", recovered),
+			zap.String("request_id", toString(requestID)),
+		)
+
+		c.AbortWithStatusJSON(500, gin.H{
+			"error":     "internal server error",
+			"requestId": toString(requestID),
+		})
+	})
+}
+
+func toString(value any) string {
+	typed, ok := value.(string)
+	if !ok {
+		return ""
+	}
+	return typed
+}