public function rssAction($uri = null)
{
if (null === $this->application) {
throw new FrontControllerException('A valid BackBee application is required.', FrontControllerException::INTERNAL_ERROR);
}
if (false === $this->application->getContainer()->has('site')) {
throw new FrontControllerException('A BackBee\\Site instance is required.', FrontControllerException::INTERNAL_ERROR);
}
$site = $this->application->getContainer()->get('site');
if (false !== ($ext = strrpos($uri, '.'))) {
$uri = substr($uri, 0, $ext);
}
if ('_root_' == $uri) {
$page = $this->application->getEntityManager()->getRepository('BackBee\\NestedNode\\Page')->getRoot($site);
} else {
$page = $this->application->getEntityManager()->getRepository('BackBee\\NestedNode\\Page')->findOneBy(array('_site' => $site, '_url' => '/' . $uri, '_state' => Page::getUndeletedStates()));
}
try {
$this->application->info(sprintf('Handling URL request `rss%s`.', $uri));
$response = new Response($this->application->getRenderer()->render($page, 'rss', null, 'rss.phtml', false));
$response->headers->set('Content-Type', 'text/xml');
$response->setClientTtl(15);
$response->setTtl(15);
$this->send($response);
} catch (\Exception $e) {
$this->defaultAction('/rss/' . $uri);
}
}
/**
* Checks for the uniqueness of the URL and postfixe it if need.
*
* @param \BackBee\NestedNode\Page $page The page
* @param string &$url The reference of the generated URL
*/
public function getUniqueness(Page $page, $url)
{
if (!$this->preserveUnicity) {
return $url;
}
$pageRepository = $this->application->getEntityManager()->getRepository('BackBee\\NestedNode\\Page');
if (null === $pageRepository->findOneBy(['_url' => $url, '_root' => $page->getRoot(), '_state' => $page->getUndeletedStates()])) {
return $url;
}
$baseUrl = $url . '-%d';
$matches = [];
$existings = [];
if (preg_match('#(.*)\\/$#', $baseUrl, $matches)) {
$baseUrl = $matches[1] . '-%d/';
$existings = $pageRepository->createQueryBuilder('p')->andRootIs($page->getRoot())->andWhere('p._url LIKE :url')->setParameter('url', $matches[1] . '%/')->getQuery()->getResult();
} else {
$existings = $this->application->getEntityManager()->getConnection()->executeQuery('SELECT p.uid FROM page p LEFT JOIN section s ON s.uid = p.section_uid WHERE s.root_uid = :root AND p.url REGEXP :regex', ['regex' => str_replace(['+'], ['[+]'], $url) . '(-[0-9]+)?$', 'root' => $page->getRoot()->getUid()])->fetchAll();
$uids = [];
foreach ($existings as $existing) {
$uids[] = $existing['uid'];
}
$existings = $pageRepository->findBy(['_uid' => $uids]);
}
$existingUrls = [];
foreach ($existings as $existing) {
if (!$existing->isDeleted() && $existing->getUid() !== $page->getUid()) {
$existingUrls[] = $existing->getUrl(false);
}
}
$count = 1;
while (in_array($url, $existingUrls)) {
$url = sprintf($baseUrl, $count++);
}
return $url;
}
