stat method

Implementation

@override
Future<CloudStorageStat?> stat(String path) async {
  final key = _fullKey(path);

  try {
    final stream = client.listObjects(bucket, prefix: key, recursive: false);
    await for (final result in stream) {
      for (final obj in result.objects) {
        final objectKey = obj.key ?? '';
        if (objectKey == key) {
          return CloudStorageStat(
            type: FileSystemEntityType.file,
            size: obj.size ?? 0,
            modified: obj.lastModified,
          );
        }
      }
    }
  } catch (_) {
    // Ignore failures and try directory detection below.
  }

  final dirPrefix = key.isEmpty ? '' : (key.endsWith('/') ? key : '$key/');
  try {
    final stream = client.listObjects(
      bucket,
      prefix: dirPrefix,
      recursive: false,
    );
    await for (final result in stream) {
      for (final obj in result.objects) {
        final objectKey = obj.key ?? '';
        if (objectKey != dirPrefix && objectKey.startsWith(dirPrefix)) {
          return CloudStorageStat(
            type: FileSystemEntityType.directory,
            size: 0,
          );
        }
      }
    }
  } catch (_) {
    // Ignore failures.
  }

  return null;
}