added auth validate route

handlers/auth.go

@@ -131,6 +131,13 @@ func Login(c *fiber.Ctx) error {
 	return c.Status(fiber.StatusOK).JSON(fiber.Map{"message": "Successfully logged in", "username": u.Username, "user_id": userId})
 }
 
-//func ValidateToken(c *fiber.Ctx) error {
-//
-//}
+func ValidateToken(c *fiber.Ctx) error {
+	username := c.Locals("username")
+	userId := c.Locals("user_id")
+
+	if userId == nil || username == nil {
+		fmt.Println("userId or username is nil")
+		return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{"error": "invalid token"})
+	}
+	return c.Status(fiber.StatusOK).JSON(fiber.Map{"message": "authorized", "username": c.Locals("username").(string), "user_id": c.Locals("userId").(string)})
+}