public function buildForm(FormBuilderInterface $builder, array $options)
{
$builder->add('name', 'text')->add('description', 'text')->add('role', 'choice', array('choices' => Document::getAvailableRoles()))->add('file', 'file', array('required' => false))->add('save', 'submit');
}
/**
* Generates Download Response
*
* Verifies if file exists and file's type before generating the response.
*
* @param Document $document
* @return BinaryFileResponse
* @throws \Symfony\Component\HttpKernel\Exception\NotFoundHttpException
*/
private function generateDownloadResponse($document)
{
// Check if file exists
$file = $document->getFileName();
$path = $this->get('kernel')->getRootDir() . '/../web/uploads/' . $file;
if (!file_exists($path)) {
throw $this->createNotFoundException();
}
// Check the File Type: http://en.wikipedia.org/wiki/Internet_media_type
$extArr = explode('.', $path);
$ext = end($extArr);
// Clean the filename
$filename = preg_replace("/[^a-z0-9_\\s]+/i", "", $document->getName()) . '.' . $ext;
$mimeType = mime_content_type($path);
// Generate Response
$response = new BinaryFileResponse($path);
$response->headers->set('Content-Type', $mimeType);
$response->setContentDisposition(ResponseHeaderBag::DISPOSITION_ATTACHMENT, $filename);
return $response;
}