.map(u -> u.getUserId().toString())
                .orElse(StringUtil.EMPTY);
        if (StringUtil.isBlank(userCode)) {
            return null;
        }

        userCode = createUserCodeFromUserId(userCode);
        request.setAttribute(Constants.USER_CODE, userCode);
        deleteUserCodeFromCookie(request);
        return userCode;
    }

    /**