Method buildSharedFolderKey

src/FileRise/Domain/FolderModel.php:2495–2501

(string $shareRootKey, string $subPath)

    }

    private static function buildSharedFolderKey(string $shareRootKey, string $subPath): string
    {
        if ($shareRootKey === '' || strtolower($shareRootKey) === 'root') {
            return $subPath === '' ? 'root' : $subPath;
        }
        return $subPath === '' ? $shareRootKey : ($shareRootKey . '/' . $subPath);
    }

    private static function extractStatMtime(array $stat): ?int
    {