<?php

namespace Gedmo\Sluggable\Mapping\Event\Adapter;

use Doctrine\ORM\Query;
use Gedmo\Mapping\Event\Adapter\ORM as BaseAdapterORM;
use Gedmo\Sluggable\Mapping\Event\SluggableAdapter;
use Gedmo\Tool\Wrapper\AbstractWrapper;

/**
 * Doctrine event adapter for ORM adapted
 * for sluggable behavior
 *
 * @author Gediminas Morkevicius <gediminas.morkevicius@gmail.com>
 * @package Gedmo\Sluggable\Mapping\Event\Adapter
 * @subpackage ORM
 * @link http://www.gediminasm.org
 * @license MIT License (http://www.opensource.org/licenses/mit-license.php)
 */
final class ORM extends BaseAdapterORM implements SluggableAdapter
{
    /**
     * {@inheritDoc}
     */
    public function getSimilarSlugs($object, $meta, array $config, $slug)
    {
        $em = $this->getObjectManager();
        $wrapped = AbstractWrapper::wrap($object, $em);
        $qb = $em->createQueryBuilder();
        $qb->select('rec.' . $config['slug'])
            ->from($config['useObjectClass'], 'rec')
            ->where($qb->expr()->like(
                'rec.' . $config['slug'],
                $qb->expr()->literal($slug . '%'))
            )
        ;
        // include identifiers
        foreach ((array)$wrapped->getIdentifier(false) as $id => $value) {
            if (strlen($value) && !$meta->isIdentifier($config['slug'])) {
                $qb->andWhere($qb->expr()->neq('rec.' . $id, ':' . $id));
                $qb->setParameter($id, $value);
            }
        }
        $q = $qb->getQuery();
        $q->setHydrationMode(Query::HYDRATE_ARRAY);
        return $q->execute();
    }
}