Enhanced list tags endpoint so that it can also return stats foir every tag

module/Core/src/Repository/TagRepository.php

@@ -6,6 +6,8 @@ namespace Shlinkio\Shlink\Core\Repository;
 
 use Doctrine\ORM\EntityRepository;
 use Shlinkio\Shlink\Core\Entity\Tag;
+use Shlinkio\Shlink\Core\Tag\Model\TagInfo;
+use function Functional\map;
 
 class TagRepository extends EntityRepository implements TagRepositoryInterface
 {
@@ -21,4 +23,25 @@ class TagRepository extends EntityRepository implements TagRepositoryInterface
 
         return $qb->getQuery()->execute();
     }
+
+    /**
+     * @return TagInfo[]
+     */
+    public function findTagsWithInfo(): array
+    {
+        $dql = <<<DQL
+            SELECT t AS tag, COUNT(DISTINCT s.id) AS shortUrlsCount, COUNT(DISTINCT v.id) AS visitsCount
+            FROM Shlinkio\Shlink\Core\Entity\Tag t
+            LEFT JOIN t.shortUrls s
+            LEFT JOIN s.visits v
+            GROUP BY tag
+            ORDER BY t.name ASC
+        DQL;
+        $query = $this->getEntityManager()->createQuery($dql);
+
+        return map(
+            $query->getResult(),
+            fn (array $row) => new TagInfo($row['tag'], (int) $row['shortUrlsCount'], (int) $row['visitsCount']),
+        );
+    }
 }

module/Core/src/Repository/TagRepositoryInterface.php

@@ -5,8 +5,14 @@ declare(strict_types=1);
 namespace Shlinkio\Shlink\Core\Repository;
 
 use Doctrine\Persistence\ObjectRepository;
+use Shlinkio\Shlink\Core\Tag\Model\TagInfo;
 
 interface TagRepositoryInterface extends ObjectRepository
 {
     public function deleteByName(array $names): int;
+
+    /**
+     * @return TagInfo[]
+     */
+    public function findTagsWithInfo(): array;
 }