Method copyFilesAcrossSources

src/FileRise/Domain/FileModel.php:516–661

(string $sourceId, string $destinationId, string $sourceFolder, string $destinationFolder, array $files)

    }

    public static function copyFilesAcrossSources(string $sourceId, string $destinationId, string $sourceFolder, string $destinationFolder, array $files): array
    {
        $errors = [];
        $srcStorage = StorageRegistry::getAdapter($sourceId);
        $dstStorage = StorageRegistry::getAdapter($destinationId);

        $srcRoot = class_exists('SourceContext') ? SourceContext::uploadRootForId($sourceId) : rtrim((string)UPLOAD_DIR, '/\\') . DIRECTORY_SEPARATOR;
        $dstRoot = class_exists('SourceContext') ? SourceContext::uploadRootForId($destinationId) : rtrim((string)UPLOAD_DIR, '/\\') . DIRECTORY_SEPARATOR;

        [$sourceDir, $err] = self::resolveFolderPathForAdapter($srcStorage, $srcRoot, $sourceFolder, false);
        if ($err) {
            return ["error" => $err];
        }
        [$destDir, $err] = self::resolveFolderPathForAdapter($dstStorage, $dstRoot, $destinationFolder, true);
        if ($err) {
            return ["error" => $err];
        }

        $sourceDir .= DIRECTORY_SEPARATOR;
        $destDir   .= DIRECTORY_SEPARATOR;

        $srcMetaRoot  = self::metaRootForId($sourceId);
        $destMetaRoot = self::metaRootForId($destinationId);

        $srcMetaFile  = self::getMetadataFilePathForRoot($srcMetaRoot, $sourceFolder);
        $destMetaFile = self::getMetadataFilePathForRoot($destMetaRoot, $destinationFolder);

        $srcMetadata  = is_file($srcMetaFile) ? (json_decode((string)file_get_contents($srcMetaFile), true) ?: []) : [];
        $destMetadata = is_file($destMetaFile) ? (json_decode((string)file_get_contents($destMetaFile), true) ?: []) : [];

        $safeFileNamePattern = REGEX_FILE_NAME;
        $actor = $_SESSION['username'] ?? 'Unknown';
        $now   = date(DATE_TIME_FORMAT);

        foreach ($files as $fileName) {
            $originalName = basename(trim((string)$fileName));
            $basename = $originalName;

            if (!preg_match($safeFileNamePattern, $basename)) {
                $errors[] = "$basename has an invalid name.";
                continue;
            }

            $srcPath  = $sourceDir . $originalName;
            $destPath = $destDir . $basename;

            clearstatcache();
            $stat = $srcStorage->stat($srcPath);
            if ($stat === null || ($stat['type'] ?? '') !== 'file') {
                $errors[] = "$originalName does not exist in source.";
                continue;
            }

            if ($dstStorage->stat($destPath) !== null) {
                $basename = self::getUniqueFileNameForAdapter($dstStorage, $destDir, $basename);
                $destPath = $destDir . $basename;
            }