public function getQueryRegistration(Convention $convention)
{
$qb = $this->createQueryBuilder('registration');
$alias = current($qb->getRootAliases());
$qb->andWhere($qb->expr()->eq($alias . '.convention', $convention->getId()));
return $qb;
}
public function getQueryConvention(Convention $convention)
{
$qb = $this->createQueryBuilder('convention');
return $qb->where('convention.id=:id')->setParameter('id', $convention->getId());
}
