public Task <Result <Thumbnail, Error> > Get(Name gallery, ThumbnailId id)
{
if (_options.FileExtensions && id.FormatHint.IsNone)
{
return(Task.FromResult(Result.Failure <Thumbnail, Error>(new Error(ErrorCode.ImplementationError, "Format hint is required!"))));
}
var data = File.ReadAllBytes(GeneratePath(gallery, id));
return(Task.FromResult(Result.Success <Thumbnail, Error>(new Thumbnail(id, data))));
}
public async Task <Result <Thumbnail, Error> > Get(Name gallery, ThumbnailId id)
{
var cursor = await _client.Thumbnails(gallery).FindAsync(s => s.Id.ImageId == id.ImageId.ToByteArray() && s.Id.Tag == id.Tag.ToString()).ConfigureAwait(false);
var snapshot = await cursor.ToListAsync().ConfigureAwait(false);
return(snapshot.Count == 1
? Result.Success <Thumbnail, Error>(new Thumbnail(
thumbnailId: new ThumbnailId(new Id(snapshot[0].Id.ImageId), Name.FromString(snapshot[0].Id.Tag).UnwrapOrThrow(), Option.None()),
data: snapshot[0].Data))
: Result.Failure <Thumbnail, Error>(ErrorCode.NoSuchRecord));
}
private string GeneratePath(Name gallery, ThumbnailId id)
{
var fileName = _options.FileExtensions
? $"{id.Tag}.{id.FormatHint.UnwrapOrThrow().FileExtension}"
: id.Tag.ToString();
fileName = (_options.TagDelimiter == '/')
? Path.Combine(id.ImageId.ToString(), fileName)
: id.ImageId.ToString() + _options.TagDelimiter + fileName;
return(Path.Combine(_options.Directory, gallery.ToString(), fileName));
}
public Thumbnail(ThumbnailId thumbnailId, byte[] data)
{
ThumbnailId = thumbnailId;
Data = data;
}
