<?php

namespace App\Repository;

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

class ChildheaderRepository extends ServiceEntityRepository
{
    public function __construct(ManagerRegistry $registry)
    {
        parent::__construct($registry, Childheader::class);
    }

    public function findNext($idchild, $roworder)
    {
        $qb = $this->createQueryBuilder('c')->select('c')->where('c.child=:idchild AND c.roworder>:roworder')
            ->setParameter('idchild', $idchild)
            ->setParameter('roworder', $roworder)
            ->orderby('c.roworder', 'ASC')
            ->setMaxResults(1);

        $child = $qb->getQuery()->getOneOrNullResult();

        return $child;
    }

    public function findPrev($idchild, $roworder)
    {
        $qb = $this->createQueryBuilder('c')->select('c')->where('c.child=:idchild AND c.roworder<:roworder')
            ->setParameter('idchild', $idchild)
            ->setParameter('roworder', $roworder)
            ->orderby('c.roworder', 'DESC')
            ->setMaxResults(1);

        $child = $qb->getQuery()->getOneOrNullResult();

        return $child;
    }
}