application/front/controllers/FeedController.php

   1 <?php
   2
   3 declare(strict_types=1);
   4
   5 namespace Shaarli\Front\Controller;
   6
   7 use Shaarli\Feed\FeedBuilder;
   8 use Slim\Http\Request;
   9 use Slim\Http\Response;
  10
  11 /**
  12  * Class FeedController
  13  *
  14  * Slim controller handling ATOM and RSS feed.
  15  *
  16  * @package Front\Controller
  17  */
  18 class FeedController extends ShaarliController
  19 {
  20     public function atom(Request $request, Response $response): Response
  21     {
  22         return $this->processRequest(FeedBuilder::$FEED_ATOM, $request, $response);
  23     }
  24
  25     public function rss(Request $request, Response $response): Response
  26     {
  27         return $this->processRequest(FeedBuilder::$FEED_RSS, $request, $response);
  28     }
  29
  30     protected function processRequest(string $feedType, Request $request, Response $response): Response
  31     {
  32         $response = $response->withHeader('Content-Type', 'application/'. $feedType .'+xml; charset=utf-8');
  33
  34         $pageUrl = page_url($this->container->environment);
  35         $cache = $this->container->pageCacheManager->getCachePage($pageUrl);
  36
  37         $cached = $cache->cachedVersion();
  38         if (!empty($cached)) {
  39             return $response->write($cached);
  40         }
  41
  42         // Generate data.
  43         $this->container->feedBuilder->setLocale(strtolower(setlocale(LC_COLLATE, 0)));
  44         $this->container->feedBuilder->setHideDates($this->container->conf->get('privacy.hide_timestamps', false));
  45         $this->container->feedBuilder->setUsePermalinks(
  46             null !== $request->getParam('permalinks') || !$this->container->conf->get('feed.rss_permalinks')
  47         );
  48
  49         $data = $this->container->feedBuilder->buildData($feedType, $request->getParams());
  50
  51         $this->executeHooks($data, $feedType);
  52         $this->assignAllView($data);
  53
  54         $content = $this->render('feed.'. $feedType);
  55
  56         $cache->cache($content);
  57
  58         return $response->write($content);
  59     }
  60
  61     /**
  62      * @param mixed[] $data Template data
  63      *
  64      * @return mixed[] Template data after active plugins hook execution.
  65      */
  66     protected function executeHooks(array $data, string $feedType): array
  67     {
  68         $this->container->pluginManager->executeHooks(
  69             'render_feed',
  70             $data,
  71             [
  72                 'loggedin' => $this->container->loginManager->isLoggedIn(),
  73                 'target' => $feedType,
  74             ]
  75         );
  76
  77         return $data;
  78     }
  79 }