// +---------------------------------------------------------------------- declare (strict_types=1); namespace app\common\service; use app\common\service\Order as OrderService; /** * 用户服务类 * Class User * @package app\common\service */ class User extends BaseService { /** * 判断指定用户ID是否为新用户 * 新用户定义:在店铺中无支付过订单、已支付过订单但手动取消并退款 * @param int $userId * @return bool */ public static function checkIsNewUser(int $userId): bool { return !OrderService::getValidCountByUser($userId); } }