public async ValueTask <ThumbnailCache?> FindOneAsync(NestedPath filePath, int width, int height, ThumbnailResizeType resizeType, ThumbnailFormatType formatType)
{
await Task.Delay(1).ConfigureAwait(false);
using (await _asyncLock.LockAsync())
{
var id = new ThumbnailCacheIdEntity()
{
FilePath = NestedPathEntity.Import(filePath),
ThumbnailWidth = width,
ThumbnailHeight = height,
ThumbnailResizeType = resizeType,
ThumbnailFormatType = formatType,
};
var storage = this.GetStorage();
var liteFileInfo = storage.FindById(id);
if (liteFileInfo is null)
{
return(null);
}
using (var inStream = liteFileInfo.OpenRead())
{
return(RocketMessage.FromStream <ThumbnailCache>(inStream));
}
}
}
