Body::save

public function save(array $options, Storage $storage = null)
{
	$filename = $options['fileName'];
	if(!$storage)
	{
		$storage = $this->storage;
	}

	if(!$storage)
	{
		$storage = Driver::getInstance()->getDefaultStorage();
	}

	$result = $storage->write($this->content, array_merge($options, [
		'fileName' => $this->getFileName($filename),
		'contentType' => $this->getFileMimeType(),
	]));
	if($result->isSuccess())
	{
		$path = $result->getId();
		$result = FileTable::add([
			'STORAGE_TYPE' => get_class($storage),
			'STORAGE_WHERE' => $path,
		]);
	}

	return $result;
}