/**
* Presentation slide as json
*
* @param Request $request
* @param Response $response
* @param Array $args
* @return Response
*/
public function json(Request $request, Response $response, array $args)
{
$path = $this->settings['presentation']['presentation'];
$fileName = substr_replace($args['file'], '.', -3, 1);
$filePath = $path . $fileName;
$slideNumber = (int) preg_replace('/\\D/', '', $args['slide']);
$file = new File($filePath);
$data = [];
if ($file->load() === true) {
$slide = new Slide($filePath);
$data['error'] = false;
$data['slide'] = $slide->renderForAjax($slideNumber);
} else {
$data['error'] = true;
$data['message'] = 'Could not load presentation file.';
}
return $response->withJson($data);
}
