/**
* Retrieves post with id $id or throws an exception if it doesn't exist.
*
* @param int $id A Post identifier
*
* @return Post
*
* @throws \Symfony\Component\HttpKernel\Exception\NotFoundHttpException
*/
protected function getPost($id)
{
$post = $this->postManager->find($id);
if (null === $post) {
throw new NotFoundHttpException(sprintf('Post (%d) not found', $id));
}
return $post;
}
