public function findOneByContactId($contactId)
{
$qb = $this->createQueryBuilder('a')->join('a.accountContacts', 'accountContacts', 'WITH', 'accountContacts.idContacts = :contactId AND accountContacts.main = TRUE')->setParameter('contactId', $contactId);
$query = $qb->getQuery();
return $query->getSingleResult();
}