/**
* Return an RSS feed of recent posts by category.
*
* @param PostRepositoryInterface $posts
* @param CategoryRepositoryInterface $categories
* @param ResponseFactory $response
* @param $category
* @return \Illuminate\Http\Response|ResponseFactory
*/
public function category(PostRepositoryInterface $posts, CategoryRepositoryInterface $categories, ResponseFactory $response, $category)
{
if (!($category = $categories->findBySlug($category))) {
abort(404);
}
$response = $response->view('module::posts/rss', ['posts' => $posts->findManyByCategory($category)])->setTtl(3600);
$response->headers->set('content-type', 'text/xml');
return $response;
}
