fix auth middleware and statistics issues

local/utl/jwt/jwt.go

@@ -6,7 +6,6 @@ import (
 	"time"
 
 	"github.com/golang-jwt/jwt/v4"
-	"github.com/google/uuid"
 )
 
 // SecretKey is the secret key for signing the JWT.
@@ -16,7 +15,7 @@ var SecretKey = []byte("your-secret-key")
 
 // Claims represents the JWT claims.
 type Claims struct {
-	UserID uuid.UUID `json:"user_id"`
+	UserID string `json:"user_id"`
 	jwt.RegisteredClaims
 }
 
@@ -24,7 +23,7 @@ type Claims struct {
 func GenerateToken(user *model.User) (string, error) {
 	expirationTime := time.Now().Add(24 * time.Hour)
 	claims := &Claims{
-		UserID: user.ID,
+		UserID: user.ID.String(),
 		RegisteredClaims: jwt.RegisteredClaims{
 			ExpiresAt: jwt.NewNumericDate(expirationTime),
 		},