chill-bundles/src/Bundle/ChillPersonBundle/Repository/PersonNotDuplicateRepository.php

<?php

namespace Chill\PersonBundle\Repository;

use Chill\PersonBundle\Entity\Person;
use Chill\PersonBundle\Entity\PersonNotDuplicate;
use Doctrine\ORM\EntityRepository;

/**
 * Class PersonNotDuplicateRepository
 *
 * @package Chill\PersonBundle\Repository
 */
class PersonNotDuplicateRepository  extends EntityRepository
{
    /**
     * @param \Chill\PersonBundle\Entity\Person $person
     *
     * @return array
     */
    public function findNotDuplicatePerson(Person $person)
    {
        $qb = $this->createQueryBuilder('pnd');
        $qb->select('pnd')
            ->where('pnd.person1 = :person OR pnd.person2 = :person')
        ;
        $qb->setParameter('person', $person);
        $result = $qb->getQuery()->getResult();

        $persons = [];
        foreach ($result as $row) {
            if ($row->getPerson1() === $person) {
                $persons[] = $row->getPerson2();
            } elseif ($row->getPerson2() === $person) {
                $persons[] = $row->getPerson1();
            }
        }

        return $persons;
    }
}