public async Task UploadStream(Stream stream, String fileName)
{
_imageId = ObjectId.GenerateNewId().ToString();
await GridFs.UploadFromStreamAsync(fileName, stream,
new GridFSUploadOptions
{
Metadata = new BsonDocument
{
{ "FileID", ImageId }
}
});
}
public async Task <ObjectId> Create(Guid id, Stream stream) =>
await GridFs.UploadFromStreamAsync($"{id}.txt", stream);