CommentRepository.php

<?php

namespace adamcameron\symfonythefasttrack\Repository;

use adamcameron\symfonythefasttrack\Entity\Conference;
use Doctrine\Bundle\DoctrineBundle\Repository\ServiceEntityRepository;
use Doctrine\ORM\Tools\Pagination\Paginator;
use Doctrine\Persistence\ManagerRegistry;
use adamcameron\symfonythefasttrack\Entity\Comment;

class CommentRepository extends ServiceEntityRepository
{
    public const PAGINATOR_PER_PAGE = 2;

    public function __construct(ManagerRegistry $registry)
    {
        parent::__construct($registry, Comment::class);
    }

    public function getPaginator(Conference $conference, int $offset): Paginator
    {
        $query = $this->createQueryBuilder('c')
            ->andWhere('c.conference = :conference')
            ->setParameter('conference', $conference)
            ->orderBy('c.createdAt', 'DESC')
            ->setMaxResults(self::PAGINATOR_PER_PAGE)
            ->setFirstResult($offset)
            ->getQuery();

        return new Paginator($query);
    }

    public function save(Comment $entity, bool $flush = false): void
    {
        $this->getEntityManager()->persist($entity);

        if ($flush) {
            $this->getEntityManager()->flush();
        }
    }

    public function remove(Comment $entity, bool $flush = false): void
    {
        $this->getEntityManager()->remove($entity);

        if ($flush) {
            $this->getEntityManager()->flush();
        }
    }

//    /**
//     * @return Comment[] Returns an array of Comment objects
//     */
//    public function findByExampleField($value): array
//    {
//        return $this->createQueryBuilder('c')
//            ->andWhere('c.exampleField = :val')
//            ->setParameter('val', $value)
//            ->orderBy('c.id', 'ASC')
//            ->setMaxResults(10)
//            ->getQuery()
//            ->getResult()
//        ;
//    }

//    public function findOneBySomeField($value): ?Comment
//    {
//        return $this->createQueryBuilder('c')
//            ->andWhere('c.exampleField = :val')
//            ->setParameter('val', $value)
//            ->getQuery()
//            ->getOneOrNullResult()
//        ;
//    }
}