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