src/Wallabag/CoreBundle/Controller/RssController.php

   1 <?php
   2
   3 namespace Wallabag\CoreBundle\Controller;
   4
   5 use Pagerfanta\Adapter\ArrayAdapter;
   6 use Pagerfanta\Adapter\DoctrineORMAdapter;
   7 use Pagerfanta\Exception\OutOfRangeCurrentPageException;
   8 use Pagerfanta\Pagerfanta;
   9 use Sensio\Bundle\FrameworkExtraBundle\Configuration\ParamConverter;
  10 use Sensio\Bundle\FrameworkExtraBundle\Configuration\Route;
  11 use Symfony\Bundle\FrameworkBundle\Controller\Controller;
  12 use Symfony\Component\HttpFoundation\Request;
  13 use Symfony\Component\HttpFoundation\Response;
  14 use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
  15 use Wallabag\CoreBundle\Entity\Entry;
  16 use Wallabag\CoreBundle\Entity\Tag;
  17 use Wallabag\UserBundle\Entity\User;
  18
  19 class RssController extends Controller
  20 {
  21     /**
  22      * Shows unread entries for current user.
  23      *
  24      * @Route("/{username}/{token}/unread.xml", name="unread_rss", defaults={"_format"="xml"})
  25      * @ParamConverter("user", class="WallabagUserBundle:User", converter="username_rsstoken_converter")
  26      *
  27      * @return \Symfony\Component\HttpFoundation\Response
  28      */
  29     public function showUnreadRSSAction(Request $request, User $user)
  30     {
  31         return $this->showEntries('unread', $user, $request->query->get('page', 1));
  32     }
  33
  34     /**
  35      * Shows read entries for current user.
  36      *
  37      * @Route("/{username}/{token}/archive.xml", name="archive_rss", defaults={"_format"="xml"})
  38      * @ParamConverter("user", class="WallabagUserBundle:User", converter="username_rsstoken_converter")
  39      *
  40      * @return \Symfony\Component\HttpFoundation\Response
  41      */
  42     public function showArchiveRSSAction(Request $request, User $user)
  43     {
  44         return $this->showEntries('archive', $user, $request->query->get('page', 1));
  45     }
  46
  47     /**
  48      * Shows starred entries for current user.
  49      *
  50      * @Route("/{username}/{token}/starred.xml", name="starred_rss", defaults={"_format"="xml"})
  51      * @ParamConverter("user", class="WallabagUserBundle:User", converter="username_rsstoken_converter")
  52      *
  53      * @return \Symfony\Component\HttpFoundation\Response
  54      */
  55     public function showStarredRSSAction(Request $request, User $user)
  56     {
  57         return $this->showEntries('starred', $user, $request->query->get('page', 1));
  58     }
  59
  60     /**
  61      * Shows all entries for current user.
  62      *
  63      * @Route("/{username}/{token}/all.xml", name="all_rss", defaults={"_format"="xml"})
  64      * @ParamConverter("user", class="WallabagUserBundle:User", converter="username_rsstoken_converter")
  65      *
  66      * @return \Symfony\Component\HttpFoundation\Response
  67      */
  68     public function showAllRSSAction(Request $request, User $user)
  69     {
  70         return $this->showEntries('all', $user, $request->query->get('page', 1));
  71     }
  72
  73     /**
  74      * Shows entries associated to a tag for current user.
  75      *
  76      * @Route("/{username}/{token}/tags/{slug}.xml", name="tag_rss", defaults={"_format"="xml"})
  77      * @ParamConverter("user", class="WallabagUserBundle:User", converter="username_rsstoken_converter")
  78      * @ParamConverter("tag", options={"mapping": {"slug": "slug"}})
  79      *
  80      * @return \Symfony\Component\HttpFoundation\Response
  81      */
  82     public function showTagsAction(Request $request, User $user, Tag $tag)
  83     {
  84         $page = $request->query->get('page', 1);
  85
  86         $url = $this->generateUrl(
  87             'tag_rss',
  88             [
  89                 'username' => $user->getUsername(),
  90                 'token' => $user->getConfig()->getRssToken(),
  91                 'slug' => $tag->getSlug(),
  92             ],
  93             UrlGeneratorInterface::ABSOLUTE_URL
  94         );
  95
  96         $entriesByTag = $this->get('wallabag_core.entry_repository')->findAllByTagId(
  97             $user->getId(),
  98             $tag->getId()
  99         );
 100
 101         $pagerAdapter = new ArrayAdapter($entriesByTag);
 102
 103         $entries = $this->get('wallabag_core.helper.prepare_pager_for_entries')->prepare(
 104             $pagerAdapter,
 105             $user
 106         );
 107
 108         if (null === $entries) {
 109             throw $this->createNotFoundException('No entries found?');
 110         }
 111
 112         try {
 113             $entries->setCurrentPage($page);
 114         } catch (OutOfRangeCurrentPageException $e) {
 115             if ($page > 1) {
 116                 return $this->redirect($url . '?page=' . $entries->getNbPages(), 302);
 117             }
 118         }
 119
 120         return $this->render(
 121             '@WallabagCore/themes/common/Entry/entries.xml.twig',
 122             [
 123                 'url_html' => $this->generateUrl('tag_entries', ['slug' => $tag->getSlug()], UrlGeneratorInterface::ABSOLUTE_URL),
 124                 'type' => 'tag (' . $tag->getLabel() . ')',
 125                 'url' => $url,
 126                 'entries' => $entries,
 127             ],
 128             new Response('', 200, ['Content-Type' => 'application/rss+xml'])
 129         );
 130     }
 131
 132     /**
 133      * Global method to retrieve entries depending on the given type
 134      * It returns the response to be send.
 135      *
 136      * @param string $type Entries type: unread, starred or archive
 137      * @param User   $user
 138      * @param int    $page
 139      *
 140      * @return \Symfony\Component\HttpFoundation\Response
 141      */
 142     private function showEntries($type, User $user, $page = 1)
 143     {
 144         $repository = $this->get('wallabag_core.entry_repository');
 145
 146         switch ($type) {
 147             case 'starred':
 148                 $qb = $repository->getBuilderForStarredByUser($user->getId());
 149                 break;
 150             case 'archive':
 151                 $qb = $repository->getBuilderForArchiveByUser($user->getId());
 152                 break;
 153             case 'unread':
 154                 $qb = $repository->getBuilderForUnreadByUser($user->getId());
 155                 break;
 156             case 'all':
 157                 $qb = $repository->getBuilderForAllByUser($user->getId());
 158                 break;
 159             default:
 160                 throw new \InvalidArgumentException(sprintf('Type "%s" is not implemented.', $type));
 161         }
 162
 163         $pagerAdapter = new DoctrineORMAdapter($qb->getQuery(), true, false);
 164         $entries = new Pagerfanta($pagerAdapter);
 165
 166         $perPage = $user->getConfig()->getRssLimit() ?: $this->getParameter('wallabag_core.rss_limit');
 167         $entries->setMaxPerPage($perPage);
 168
 169         $url = $this->generateUrl(
 170             $type . '_rss',
 171             [
 172                 'username' => $user->getUsername(),
 173                 'token' => $user->getConfig()->getRssToken(),
 174             ],
 175             UrlGeneratorInterface::ABSOLUTE_URL
 176         );
 177
 178         try {
 179             $entries->setCurrentPage((int) $page);
 180         } catch (OutOfRangeCurrentPageException $e) {
 181             if ($page > 1) {
 182                 return $this->redirect($url . '?page=' . $entries->getNbPages(), 302);
 183             }
 184         }
 185
 186         return $this->render(
 187             '@WallabagCore/themes/common/Entry/entries.xml.twig',
 188             [
 189                 'url_html' => $this->generateUrl($type, [], UrlGeneratorInterface::ABSOLUTE_URL),
 190                 'type' => $type,
 191                 'url' => $url,
 192                 'entries' => $entries,
 193             ],
 194             new Response('', 200, ['Content-Type' => 'application/rss+xml'])
 195         );
 196     }
 197 }