src/Wallabag/CoreBundle/Repository/TagRepository.php

   1 <?php
   2
   3 namespace Wallabag\CoreBundle\Repository;
   4
   5 use Doctrine\ORM\EntityRepository;
   6
   7 class TagRepository extends EntityRepository
   8 {
   9     /**
  10      * Count all tags per user.
  11      *
  12      * @param int $userId
  13      * @param int $cacheLifeTime Duration of the cache for this query
  14      *
  15      * @return int
  16      */
  17     public function countAllTags($userId, $cacheLifeTime = null)
  18     {
  19         $query = $this->createQueryBuilder('t')
  20             ->select('t.slug')
  21             ->leftJoin('t.entries', 'e')
  22             ->where('e.user = :userId')->setParameter('userId', $userId)
  23             ->groupBy('t.slug')
  24             ->getQuery();
  25
  26         if (null !== $cacheLifeTime) {
  27             $query->useQueryCache(true);
  28             $query->useResultCache(true);
  29             $query->setResultCacheLifetime($cacheLifeTime);
  30         }
  31
  32         return count($query->getArrayResult());
  33     }
  34
  35     /**
  36      * Find all tags per user.
  37      * Instead of just left joined on the Entry table, we select only id and group by id to avoid tag multiplication in results.
  38      * Once we have all tags id, we can safely request them one by one.
  39      * This'll still be fastest than the previous query.
  40      *
  41      * @param int $userId
  42      *
  43      * @return array
  44      */
  45     public function findAllTags($userId)
  46     {
  47         $ids = $this->createQueryBuilder('t')
  48             ->select('t.id')
  49             ->leftJoin('t.entries', 'e')
  50             ->where('e.user = :userId')->setParameter('userId', $userId)
  51             ->groupBy('t.id')
  52             ->getQuery()
  53             ->getArrayResult();
  54
  55         $tags = [];
  56         foreach ($ids as $id) {
  57             $tags[] = $this->find($id);
  58         }
  59
  60         return $tags;
  61     }
  62
  63     /**
  64      * Used only in test case to get a tag for our entry.
  65      *
  66      * @return Tag
  67      */
  68     public function findOneByEntryAndTagLabel($entry, $label)
  69     {
  70         return $this->createQueryBuilder('t')
  71             ->leftJoin('t.entries', 'e')
  72             ->where('e.id = :entryId')->setParameter('entryId', $entry->getId())
  73             ->andWhere('t.label = :label')->setParameter('label', $label)
  74             ->setMaxResults(1)
  75             ->getQuery()
  76             ->getSingleResult();
  77     }
  78 }