TagRestController: rewrite delete actions to only retrieve tags related to the user

[github/wallabag/wallabag.git] / src / Wallabag / CoreBundle / Repository / TagRepository.php

diff --git a/src/Wallabag/CoreBundle/Repository/TagRepository.php b/src/Wallabag/CoreBundle/Repository/TagRepository.php
index 51f1cd42924b22a88eb879fd6b5b3b14cfff058f..8464a6a55004c27cce23c5a2283af01dd56c1a74 100644 (file)
--- a/src/Wallabag/CoreBundle/Repository/TagRepository.php
+++ b/src/Wallabag/CoreBundle/Repository/TagRepository.php
@@ -3,25 +3,140 @@
 namespace Wallabag\CoreBundle\Repository;
 
 use Doctrine\ORM\EntityRepository;
-use Pagerfanta\Adapter\DoctrineORMAdapter;
-use Pagerfanta\Pagerfanta;
+use Doctrine\ORM\QueryBuilder;
+use Wallabag\CoreBundle\Entity\Tag;
 
 class TagRepository extends EntityRepository
 {
     /**
-     * Find Tags.
+     * Count all tags per user.
      *
-     * @param int    $userId
+     * @param int $userId
+     * @param int $cacheLifeTime Duration of the cache for this query
+     *
+     * @return int
+     */
+    public function countAllTags($userId, $cacheLifeTime = null)
+    {
+        $query = $this->createQueryBuilder('t')
+            ->select('t.slug')
+            ->leftJoin('t.entries', 'e')
+            ->where('e.user = :userId')->setParameter('userId', $userId)
+            ->groupBy('t.slug')
+            ->getQuery();
+
+        if (null !== $cacheLifeTime) {
+            $query->useQueryCache(true);
+            $query->useResultCache(true);
+            $query->setResultCacheLifetime($cacheLifeTime);
+        }
+
+        return \count($query->getArrayResult());
+    }
+
+    /**
+     * Find all tags per user.
+     * Instead of just left joined on the Entry table, we select only id and group by id to avoid tag multiplication in results.
+     * Once we have all tags id, we can safely request them one by one.
+     * This'll still be fastest than the previous query.
+     *
+     * @param int $userId
      *
      * @return array
      */
-    public function findTags($userId)
+    public function findAllTags($userId)
     {
-        $qb = $this->createQueryBuilder('t')
-            ->where('t.user =:userId')->setParameter('userId', $userId);
+        $ids = $this->getQueryBuilderByUser($userId)
+            ->select('t.id')
+            ->getQuery()
+            ->getArrayResult();
 
-        $pagerAdapter = new DoctrineORMAdapter($qb);
+        $tags = [];
+        foreach ($ids as $id) {
+            $tags[] = $this->find($id);
+        }
+
+        return $tags;
+    }
+
+    /**
+     * Find all tags (flat) per user with nb entries.
+     *
+     * @param int $userId
+     *
+     * @return array
+     */
+    public function findAllFlatTagsWithNbEntries($userId)
+    {
+        return $this->getQueryBuilderByUser($userId)
+            ->select('t.id, t.label, t.slug, count(e.id) as nbEntries')
+            ->distinct(true)
+            ->getQuery()
+            ->getArrayResult();
+    }
+
+    public function findByLabelsAndUser($labels, $userId)
+    {
+        $qb = $this->getQueryBuilderByUser($userId)
+            ->select('t.id');
 
-        return new Pagerfanta($pagerAdapter);
+        $ids = $qb->andWhere($qb->expr()->in('t.label', $labels))
+            ->getQuery()
+            ->getArrayResult();
+
+        $tags = [];
+        foreach ($ids as $id) {
+            $tags[] = $this->find($id);
+        }
+
+        return $tags;
+    }
+
+    /**
+     * Used only in test case to get a tag for our entry.
+     *
+     * @return Tag
+     */
+    public function findOneByEntryAndTagLabel($entry, $label)
+    {
+        return $this->createQueryBuilder('t')
+            ->leftJoin('t.entries', 'e')
+            ->where('e.id = :entryId')->setParameter('entryId', $entry->getId())
+            ->andWhere('t.label = :label')->setParameter('label', $label)
+            ->setMaxResults(1)
+            ->getQuery()
+            ->getSingleResult();
+    }
+
+    public function findForArchivedArticlesByUser($userId)
+    {
+        $ids = $this->getQueryBuilderByUser($userId)
+            ->select('t.id')
+            ->andWhere('e.isArchived = true')
+            ->getQuery()
+            ->getArrayResult();
+
+        $tags = [];
+        foreach ($ids as $id) {
+            $tags[] = $this->find($id);
+        }
+
+        return $tags;
+    }
+
+    /**
+     * Retrieve a sorted list of tags used by a user.
+     *
+     * @param int $userId
+     *
+     * @return QueryBuilder
+     */
+    private function getQueryBuilderByUser($userId)
+    {
+        return $this->createQueryBuilder('t')
+            ->leftJoin('t.entries', 'e')
+            ->where('e.user = :userId')->setParameter('userId', $userId)
+            ->groupBy('t.id')
+            ->orderBy('t.slug');
     }
 }