afup/sources/AppBundle/Event/Model/Repository/TweetRepository.php

<?php

namespace AppBundle\Event\Model\Repository;

use AppBundle\Event\Model\Talk;
use AppBundle\Event\Model\Tweet;
use CCMBenchmark\Ting\Repository\HydratorArray;
use CCMBenchmark\Ting\Repository\Metadata;
use CCMBenchmark\Ting\Repository\MetadataInitializer;
use CCMBenchmark\Ting\Repository\Repository;
use CCMBenchmark\Ting\Serializer\SerializerFactoryInterface;

class TweetRepository extends Repository implements MetadataInitializer
{
    /**
     * @param Talk $talk
     *
     * @return int
     */
    public function getNumberOfTweetsByTalk(Talk $talk)
    {
        $query = $this->getQuery('SELECT COUNT(id) AS tweets FROM tweet WHERE id_session = :talk_id');
        $query->setParams(['talk_id' => $talk->getId()]);
        return (int) $query->query($this->getCollection(new HydratorArray()))->first()['tweets'];
    }

    /**
     * @param SerializerFactoryInterface $serializerFactory
     * @param array $options
     *
     * @return Metadata
     */
    public static function initMetadata(SerializerFactoryInterface $serializerFactory, array $options = [])
    {
        $metadata = new Metadata($serializerFactory);
        $metadata->setEntity(Tweet::class);
        $metadata->setConnectionName('main');
        $metadata->setDatabase($options['database']);
        $metadata->setTable('tweet');

        $metadata
            ->addField([
                'columnName' => 'id',
                'fieldName' => 'id',
                'primary' => true,
                'autoincrement' => false,
                'type' => 'string'
            ])
            ->addField([
                'columnName' => 'id_session',
                'fieldName' => 'talkId',
                'type' => 'int'
            ])
            ->addField([
                'columnName' => 'created_at',
                'fieldName' => 'createdAt',
                'type' => 'datetime',
                'serializer_options' => [
                    'unserialize' => ['unSerializeUseFormat' => false]
                ]

            ])
        ;

        return $metadata;
    }
}