/**
* Exports a graph to a graphviz image.
*
* @param NodeInterface $node - Graph.
* @param array $options - Options.
*
* @throws InvalidWriterTypeException
*
* @return Response
*/
public function export(NodeInterface $node, array $options = [])
{
$options = array_replace_recursive(['writer' => 'graphviz'], $options);
if (is_string($options['writer'])) {
switch ($options['writer']) {
case 'graphviz':
$options['path'] = $options['path'] ?? $this->generateRandomFilePath();
$options['writer'] = new GraphvizWriter();
break;
default:
throw InvalidWriterTypeException::create($options['writer']);
}
}
$config = new Config(['node' => $node], ['writer' => $options['writer']]);
$config->save(['writerOptions' => $options]);
$response = new Response();
$response->setPath($options['path']);
return $response;
}
