/**
* Returns a revision.
*
* @return Symfony\Component\HttpFoundation\JsonResponse
*
* @Rest\ParamConverter(name="revision", class="BackBee\ClassContent\Revision")
* @Rest\Security("is_fully_authenticated() & has_role('ROLE_API_USER')")
*/
public function getAction(Revision $revision)
{
$this->granted('VIEW', $revision->getContent());
$response = $this->createJsonResponse();
$response->setData($revision->jsonSerialize(Revision::JSON_REVISION_FORMAT));
return $response;
}
/**
* Checks the content state of a revision.
*
* @param Revision $revision
*
* @return AbstractClassContent the valid content according to revision state
* @throws ClassContentException Occurs when the revision is orphan
*/
private function checkContent(Revision $revision)
{
$content = $revision->getContent();
if (null === $content || !$content instanceof AbstractClassContent) {
$this->_em->remove($revision);
throw new ClassContentException('Orphan revision, deleted', ClassContentException::REVISION_ORPHAN);
}
if ($revision->getRevision() != $content->getRevision()) {
throw new ClassContentException('Content is out of date', ClassContentException::REVISION_OUTOFDATE);
}
return $content;
}
