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package logging
import (
"context"
"crypto/rand"
"encoding/hex"
"github.com/gin-gonic/gin"
)
// requestIDKey is the context key for storing/retrieving request IDs.
type requestIDKey struct{}
// ginRequestIDKey is the Gin context key for request IDs.
const ginRequestIDKey = "__request_id__"
// GenerateRequestID creates a new 8-character hex request ID.
func GenerateRequestID() string {
b := make([]byte, 4)
if _, err := rand.Read(b); err != nil {
return "00000000"
}
return hex.EncodeToString(b)
}
// WithRequestID returns a new context with the request ID attached.
func WithRequestID(ctx context.Context, requestID string) context.Context {
return context.WithValue(ctx, requestIDKey{}, requestID)
}
// GetRequestID retrieves the request ID from the context.
// Returns empty string if not found.
func GetRequestID(ctx context.Context) string {
if ctx == nil {
return ""
}
if id, ok := ctx.Value(requestIDKey{}).(string); ok {
return id
}
return ""
}
// SetGinRequestID stores the request ID in the Gin context.
func SetGinRequestID(c *gin.Context, requestID string) {
if c != nil {
c.Set(ginRequestIDKey, requestID)
}
}
// GetGinRequestID retrieves the request ID from the Gin context.
func GetGinRequestID(c *gin.Context) string {
if c == nil {
return ""
}
if id, exists := c.Get(ginRequestIDKey); exists {
if s, ok := id.(string); ok {
return s
}
}
return ""
}
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