ltbxd-actorle/src/Repository/ActorRepository.php

<?php

namespace App\Repository;

use App\Entity\Actor;
use Doctrine\Bundle\DoctrineBundle\Repository\ServiceEntityRepository;
use Doctrine\Persistence\ManagerRegistry;

/**
 * @extends ServiceEntityRepository<Actor>
 */
class ActorRepository extends ServiceEntityRepository
{
    public function __construct(ManagerRegistry $registry)
    {
        parent::__construct($registry, Actor::class);
    }

    public function findOneRandom(?float $popularity = null, ?string $char = null): Actor
    {
        $qb =  $this->createQueryBuilder('o');
        $expr = $qb->expr();

        if (!empty($popularity)) {
            $qb->andWhere($expr->gte('o.popularity', ':popularity'))
                ->setParameter('popularity', $popularity);
        }

        if (!empty($char)) {
            $qb->andWhere($expr->like('o.name', ':name'))
                ->setParameter('name', '%'.$char.'%');
        }

        return $qb
            ->orderBy('RANDOM()')
            ->setMaxResults(1)
            ->getQuery()
            ->getOneOrNullResult()
        ;
    }
}