class ActiveStorage::Service::S3Service

def download(key, &block)
  if block_given?
    instrument :streaming_download, key: key do
      stream(key, &block)
    end
  else
    instrument :download, key: key do
      object_for(key).get.body.string.force_encoding(Encoding::BINARY)
    rescue Aws::S3::Errors::NoSuchKey
      raise ActiveStorage::FileNotFoundError
    end
  end
end