clear method

Implementation

Future<void> clear() {
  return _mutex.protect(() async {
    final Directory? cache = await PlatformUtils.cacheDirectory;

    if (cache != null) {
      final List<File> files =
          hashes.map((e) => File('${cache.path}/$e')).toList();

      final List<Future> futures = [];
      for (var file in files) {
        futures.add(
          Future(() async {
            try {
              await file.delete();
            } catch (_) {
              // No-op.
            }
          }),
        );
      }

      await Future.wait(futures);

      _updateInfo();
    }
  });
}