modified: main_dc/yalarba/api_es/go.mod

modified:   main_dc/yalarba/api_es/go.sum
	new file:   main_dc/yalarba/api_es/internal/dto/user.go
	new file:   main_dc/yalarba/api_es/internal/handler/all_handlers.go
	new file:   main_dc/yalarba/api_es/internal/handler/auth_handler.go
	new file:   main_dc/yalarba/api_es/internal/handler/user_handler.go
	deleted:    main_dc/yalarba/api_es/internal/handlers/all_handlers.go
	deleted:    main_dc/yalarba/api_es/internal/handlers/auth_handler.go
	deleted:    main_dc/yalarba/api_es/internal/handlers/user_handler.go
	new file:   main_dc/yalarba/api_es/internal/middleware/auth.go
	deleted:    main_dc/yalarba/api_es/internal/repositories/user_repository.go
	new file:   main_dc/yalarba/api_es/internal/repository/user_repository.go
	new file:   main_dc/yalarba/api_es/internal/service/user_service.go
	new file:   main_dc/yalarba/api_es/internal/utils/jwt.go
add service, handler, repository for user model

main_dc/yalarba/api_es/internal/utils/jwt.go

@@ -0,0 +1,53 @@
+package utils
+
+import (
+	"time"
+
+	"github.com/golang-jwt/jwt/v4"
+)
+
+type JWTUtil struct {
+	secretKey string
+}
+
+type Claims struct {
+	UserID uint   `json:"user_id"`
+	Email  string `json:"email"`
+	Role   string `json:"role"`
+	jwt.RegisteredClaims
+}
+
+func NewJWTUtil(secretKey string) *JWTUtil {
+	return &JWTUtil{secretKey: secretKey}
+}
+
+func (j *JWTUtil) GenerateToken(userID uint, email, role string) (string, error) {
+	claims := Claims{
+		UserID: userID,
+		Email:  email,
+		Role:   role,
+		RegisteredClaims: jwt.RegisteredClaims{
+			ExpiresAt: jwt.NewNumericDate(time.Now().Add(24 * time.Hour)),
+			IssuedAt:  jwt.NewNumericDate(time.Now()),
+		},
+	}
+
+	token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
+	return token.SignedString([]byte(j.secretKey))
+}
+
+func (j *JWTUtil) ValidateToken(tokenString string) (*Claims, error) {
+	token, err := jwt.ParseWithClaims(tokenString, &Claims{}, func(token *jwt.Token) (interface{}, error) {
+		return []byte(j.secretKey), nil
+	})
+
+	if err != nil {
+		return nil, err
+	}
+
+	if claims, ok := token.Claims.(*Claims); ok && token.Valid {
+		return claims, nil
+	}
+
+	return nil, jwt.ErrInvalidKey
+}