Order tags by slug

[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 abf915fe5c7f23629af5b746530dc6d6c868d792..2182df254315b9341448f01ba7191bfc50eed7e1 100644 (file)
--- a/src/Wallabag/CoreBundle/Repository/TagRepository.php
+++ b/src/Wallabag/CoreBundle/Repository/TagRepository.php
@@ -7,7 +7,36 @@ use Doctrine\ORM\EntityRepository;
 class TagRepository extends EntityRepository
 {
     /**
-     * Find Tags.
+     * Count all tags per user.
+     *
+     * @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 $userId
      *
@@ -15,11 +44,21 @@ class TagRepository extends EntityRepository
      */
     public function findAllTags($userId)
     {
-        return $this->createQueryBuilder('t')
+        $ids = $this->createQueryBuilder('t')
+            ->select('t.id')
             ->leftJoin('t.entries', 'e')
             ->where('e.user = :userId')->setParameter('userId', $userId)
+            ->groupBy('t.id')
+            ->orderBy('t.slug')
             ->getQuery()
-            ->getResult();
+            ->getArrayResult();
+
+        $tags = [];
+        foreach ($ids as $id) {
+            $tags[] = $this->find($id);
+        }
+
+        return $tags;
     }
 
     /**