/**
* @param string $uri
*
* @return mixed
*/
public function process($uri)
{
$this->page = Page::findByUri($uri);
if (!$this->page) {
$url = URL::findByLocation($uri);
// The URL isn't in use or
// The URL is in use and has a page - the page must not be visible to the current user
//
// 404.
if (!$url || !$url->getPage()->isVisible()) {
throw new NotFoundHttpException();
}
// The url is in use but doesn't have a page.
// The page must have been deleted.
//
// 410.
throw new GoneHttpException();
}
if (Editor::isDisabled() && !$this->page->isVisible()) {
throw new NotFoundHttpException();
}
if (!$this->page->url()->is($uri)) {
return redirect((string) $this->page->url(), 301);
}
}
