wallabag/src/Wallabag/ImportBundle/Controller/ImportController.php

<?php

namespace Wallabag\ImportBundle\Controller;

use Symfony\Bundle\FrameworkBundle\Controller\Controller;
use Sensio\Bundle\FrameworkExtraBundle\Configuration\Route;

class ImportController extends Controller
{
    /**
     * @Route("/", name="import")
     */
    public function importAction()
    {
        return $this->render('WallabagImportBundle:Import:index.html.twig', [
            'imports' => $this->get('wallabag_import.chain')->getAll(),
        ]);
    }

    /**
     * Display how many messages are queue (both in Redis and RabbitMQ).
     */
    public function checkQueueAction()
    {
        $nbRedisMessages = null;
        $nbRabbitMessages = null;

        if ($this->get('craue_config')->get('import_with_rabbitmq')) {
            $nbRabbitMessages = $this->getTotalMessageInRabbitQueue('pocket')
                + $this->getTotalMessageInRabbitQueue('readability')
                + $this->getTotalMessageInRabbitQueue('wallabag_v1')
                + $this->getTotalMessageInRabbitQueue('wallabag_v2')
            ;
        } elseif ($this->get('craue_config')->get('import_with_redis')) {
            $redis = $this->get('wallabag_core.redis.client');

            $nbRedisMessages = $redis->llen('wallabag.import.pocket')
                + $redis->llen('wallabag.import.readability')
                + $redis->llen('wallabag.import.wallabag_v1')
                + $redis->llen('wallabag.import.wallabag_v2')
            ;
        }

        return $this->render('WallabagImportBundle:Import:check_queue.html.twig', [
            'nbRedisMessages' => $nbRedisMessages,
            'nbRabbitMessages' => $nbRabbitMessages,
        ]);
    }

    /**
     * Count message in RabbitMQ queue.
     * It get one message without acking it (so it'll stay in the queue)
     * which will include the total of *other* messages in the queue.
     * Adding one to that messages will result in the full total message.
     *
     * @param string $importService The import service related: pocket, readability, wallabag_v1 or wallabag_v2
     *
     * @return int
     */
    private function getTotalMessageInRabbitQueue($importService)
    {
        $message = $this
            ->get('old_sound_rabbit_mq.import_'.$importService.'_consumer')
            ->getChannel()
            ->basic_get('wallabag.import.'.$importService);

        if (null === $message) {
            return 0;
        }

        return $message->delivery_info['message_count'] + 1;
    }
}