Paginate posts (#9)

Squashed commit of the following:
Author: matis.mazingue <matis.mazingue@etu.uca.fr>
Author: clfreville2 <clement.freville2@etu.uca.fr>

src/Repository/PostRepository.php

@@ -5,6 +5,7 @@ namespace App\Repository;
 use App\Entity\Post;
 use Doctrine\Bundle\DoctrineBundle\Repository\ServiceEntityRepository;
 use Doctrine\Persistence\ManagerRegistry;
+use Doctrine\ORM\Tools\Pagination\Paginator;
 
 /**
  * @extends ServiceEntityRepository<Post>
@@ -16,6 +17,20 @@ class PostRepository extends ServiceEntityRepository
         parent::__construct($registry, Post::class);
     }
 
+    /**
+     * @param int $page
+     * @param int $limit
+     * @return Paginator<Post>
+     */
+    public function findPaginatedPosts(int $page, int $limit): Paginator
+    {
+        $query = $this->createQueryBuilder('p')
+            ->setFirstResult(($page - 1) * $limit)
+            ->setMaxResults($limit);
+
+        return new Paginator($query, fetchJoinCollection: false);
+    }
+
 //    /**
 //     * @return Post[] Returns an array of Post objects
 //     */