src/Wallabag/CoreBundle/Twig/WallabagExtension.php

   1 <?php
   2
   3 namespace Wallabag\CoreBundle\Twig;
   4
   5 use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;
   6 use Symfony\Component\Translation\TranslatorInterface;
   7 use Wallabag\CoreBundle\Repository\EntryRepository;
   8 use Wallabag\CoreBundle\Repository\TagRepository;
   9
  10 class WallabagExtension extends \Twig_Extension implements \Twig_Extension_GlobalsInterface
  11 {
  12     private $tokenStorage;
  13     private $entryRepository;
  14     private $tagRepository;
  15     private $lifeTime;
  16     private $translator;
  17
  18     public function __construct(EntryRepository $entryRepository, TagRepository $tagRepository, TokenStorageInterface $tokenStorage, $lifeTime, TranslatorInterface $translator)
  19     {
  20         $this->entryRepository = $entryRepository;
  21         $this->tagRepository = $tagRepository;
  22         $this->tokenStorage = $tokenStorage;
  23         $this->lifeTime = $lifeTime;
  24         $this->translator = $translator;
  25     }
  26
  27     public function getFilters()
  28     {
  29         return [
  30             new \Twig_SimpleFilter('removeWww', [$this, 'removeWww']),
  31             new \Twig_SimpleFilter('removeScheme', [$this, 'removeScheme']),
  32         ];
  33     }
  34
  35     public function getFunctions()
  36     {
  37         return [
  38             new \Twig_SimpleFunction('count_entries', [$this, 'countEntries']),
  39             new \Twig_SimpleFunction('count_tags', [$this, 'countTags']),
  40             new \Twig_SimpleFunction('display_stats', [$this, 'displayStats']),
  41         ];
  42     }
  43
  44     public function removeWww($url)
  45     {
  46         return preg_replace('/^www\./i', '', $url);
  47     }
  48
  49     public function removeScheme($url)
  50     {
  51         return preg_replace('#^https?://#', '', $url);
  52     }
  53
  54     /**
  55      * Return number of entries depending of the type (unread, archive, starred or all).
  56      *
  57      * @param string $type Type of entries to count
  58      *
  59      * @return int
  60      */
  61     public function countEntries($type)
  62     {
  63         $user = $this->tokenStorage->getToken() ? $this->tokenStorage->getToken()->getUser() : null;
  64
  65         if (null === $user || !is_object($user)) {
  66             return 0;
  67         }
  68
  69         switch ($type) {
  70             case 'starred':
  71                 $qb = $this->entryRepository->getBuilderForStarredByUser($user->getId());
  72                 break;
  73             case 'archive':
  74                 $qb = $this->entryRepository->getBuilderForArchiveByUser($user->getId());
  75                 break;
  76             case 'unread':
  77                 $qb = $this->entryRepository->getBuilderForUnreadByUser($user->getId());
  78                 break;
  79             case 'all':
  80                 $qb = $this->entryRepository->getBuilderForAllByUser($user->getId());
  81                 break;
  82             default:
  83                 throw new \InvalidArgumentException(sprintf('Type "%s" is not implemented.', $type));
  84         }
  85
  86         // THANKS to PostgreSQL we CAN'T make a DEAD SIMPLE count(e.id)
  87         // ERROR: column "e0_.id" must appear in the GROUP BY clause or be used in an aggregate function
  88         $query = $qb
  89             ->select('e.id')
  90             ->groupBy('e.id')
  91             ->getQuery();
  92
  93         $query->useQueryCache(true);
  94         $query->useResultCache(true);
  95         $query->setResultCacheLifetime($this->lifeTime);
  96
  97         return count($query->getArrayResult());
  98     }
  99
 100     /**
 101      * Return number of tags.
 102      *
 103      * @return int
 104      */
 105     public function countTags()
 106     {
 107         $user = $this->tokenStorage->getToken() ? $this->tokenStorage->getToken()->getUser() : null;
 108
 109         if (null === $user || !is_object($user)) {
 110             return 0;
 111         }
 112
 113         return $this->tagRepository->countAllTags($user->getId());
 114     }
 115
 116     /**
 117      * Display a single line about reading stats.
 118      *
 119      * @return string
 120      */
 121     public function displayStats()
 122     {
 123         $user = $this->tokenStorage->getToken() ? $this->tokenStorage->getToken()->getUser() : null;
 124
 125         if (null === $user || !is_object($user)) {
 126             return 0;
 127         }
 128
 129         $query = $this->entryRepository->getBuilderForArchiveByUser($user->getId())
 130             ->select('e.id')
 131             ->groupBy('e.id')
 132             ->getQuery();
 133
 134         $query->useQueryCache(true);
 135         $query->useResultCache(true);
 136         $query->setResultCacheLifetime($this->lifeTime);
 137
 138         $nbArchives = count($query->getArrayResult());
 139
 140         $interval = $user->getCreatedAt()->diff(new \DateTime('now'));
 141         $nbDays = (int) $interval->format('%a') ?: 1;
 142
 143         // force setlocale for date translation
 144         setlocale(LC_TIME, strtolower($user->getConfig()->getLanguage()) . '_' . strtoupper(strtolower($user->getConfig()->getLanguage())));
 145
 146         return $this->translator->trans('footer.stats', [
 147             '%user_creation%' => strftime('%e %B %Y', $user->getCreatedAt()->getTimestamp()),
 148             '%nb_archives%' => $nbArchives,
 149             '%per_day%' => round($nbArchives / $nbDays, 2),
 150         ]);
 151     }
 152
 153     public function getName()
 154     {
 155         return 'wallabag_extension';
 156     }
 157 }