public async Task DowngradeAsync(RepositoryOptions options, CancellationToken cancel = default)
{
var path = Path.Combine(options.Folder, "pins");
var folder = new DirectoryInfo(path);
if (!folder.Exists)
{
return;
}
var store = new FileStore <Cid, Pin1>
{
Folder = path,
NameToKey = (cid) => cid.Hash.ToBase32(),
KeyToName = (key) => new MultiHash(Base32.FromBase32(key))
};
var files = folder.EnumerateFiles().Where(fi => fi.Length != 0);
foreach (var fi in files)
{
try
{
var name = store.KeyToName(fi.Name);
var pin = await store.GetAsync(name, cancel).ConfigureAwait(false);
File.Create(Path.Combine(store.Folder, pin.Id));
File.Delete(store.GetPath(name));
}
catch
{
// ignored
}
}
}
