DennisOluoch / JMSJobQueueBundle

Controller/JobController.php

<?php

namespace JMS\JobQueueBundle\Controller;

use Doctrine\Common\Util\ClassUtils;
use Doctrine\ORM\EntityManager;
use JMS\JobQueueBundle\Entity\Job;
use JMS\JobQueueBundle\Entity\Repository\JobManager;
use JMS\JobQueueBundle\View\JobFilter;
use Sensio\Bundle\FrameworkExtraBundle\Configuration\Route;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\RedirectResponse;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpKernel\Exception\HttpException;

class JobController extends AbstractController
{
    private $jobManager;

    public function __construct(JobManager $jobManager)
    {
        $this->jobManager = $jobManager;
    }

    /**
     * @Route("/", name = "jms_jobs_overview")
     */
    public function overviewAction(Request $request)
    {
        $jobFilter = JobFilter::fromRequest($request);

        $qb = $this->getEm()->createQueryBuilder();
        $qb->select('j')->from('JMSJobQueueBundle:Job', 'j')
            ->where($qb->expr()->isNull('j.originalJob'))
            ->orderBy('j.id', 'desc');

        $lastJobsWithError = $jobFilter->isDefaultPage() ? $this->jobManager->findLastJobsWithError(5) : [];
        foreach ($lastJobsWithError as $i => $job) {
            $qb->andWhere($qb->expr()->neq('j.id', '?' . $i));
            $qb->setParameter($i, $job->getId());
        }

        if (!empty($jobFilter->command)) {
            $qb->andWhere($qb->expr()->orX(
                $qb->expr()->like('j.command', ':commandQuery'),
                $qb->expr()->like('j.args', ':commandQuery')
            ))
                ->setParameter('commandQuery', '%' . $jobFilter->command . '%');
        }

        if (!empty($jobFilter->state)) {
            $qb->andWhere($qb->expr()->eq('j.state', ':jobState'))
                ->setParameter('jobState', $jobFilter->state);
        }

        $perPage = 50;

        $query = $qb->getQuery();
        $query->setMaxResults($perPage + 1);
        $query->setFirstResult(($jobFilter->page - 1) * $perPage);

        $jobs = $query->getResult();

        return $this->render('@JMSJobQueue/Job/overview.html.twig', array(
            'jobsWithError' => $lastJobsWithError,
            'jobs' => array_slice($jobs, 0, $perPage),
            'jobFilter' => $jobFilter,
            'hasMore' => count($jobs) > $perPage,
            'jobStates' => Job::getStates(),
        ));
    }

    /**
     * @Route("/{id}", name = "jms_jobs_details")
     */
    public function detailsAction(Job $job)
    {
        $relatedEntities = array();
        foreach ($job->getRelatedEntities() as $entity) {
            $class = ClassUtils::getClass($entity);
            $relatedEntities[] = array(
                'class' => $class,
                'id' => json_encode($this->getDoctrine()->getManagerForClass($class)->getClassMetadata($class)->getIdentifierValues($entity)),
                'raw' => $entity,
            );
        }

        $statisticData = $statisticOptions = array();
        if ($this->getParameter('jms_job_queue.statistics')) {
            $dataPerCharacteristic = array();
            foreach ($this->getDoctrine()->getManagerForClass(Job::class)->getConnection()->query("SELECT * FROM jms_job_statistics WHERE job_id = " . $job->getId()) as $row) {
                $dataPerCharacteristic[$row['characteristic']][] = array(
                    // hack because postgresql lower-cases all column names.
                    array_key_exists('createdAt', $row) ? $row['createdAt'] : $row['createdat'],
                    array_key_exists('charValue', $row) ? $row['charValue'] : $row['charvalue'],
                );
            }

            if ($dataPerCharacteristic) {

The expression $dataPerCharacteristic of type array is implicitly converted to a boolean; are you sure this is intended? If so, consider using ! empty($expr) instead to make it clear that you intend to check for an array without elements.

                $statisticData = array(array_merge(array('Time'), $chars = array_keys($dataPerCharacteristic)));
                $startTime = strtotime($dataPerCharacteristic[$chars[0]][0][0]);
                $endTime = strtotime($dataPerCharacteristic[$chars[0]][count($dataPerCharacteristic[$chars[0]]) - 1][0]);
                $scaleFactor = $endTime - $startTime > 300 ? 1 / 60 : 1;

                // This assumes that we have the same number of rows for each characteristic.
                for ($i = 0, $c = count(reset($dataPerCharacteristic)); $i < $c; $i++) {
                    $row = array((strtotime($dataPerCharacteristic[$chars[0]][$i][0]) - $startTime) * $scaleFactor);
                    foreach ($chars as $name) {
                        $value = (float) $dataPerCharacteristic[$name][$i][1];

                        switch ($name) {
                            case 'memory':
                                $value /= 1024 * 1024;
                                break;
                        }

                        $row[] = $value;
                    }

                    $statisticData[] = $row;
                }
            }
        }

        return $this->render('@JMSJobQueue/Job/details.html.twig', array(
            'job' => $job,
            'relatedEntities' => $relatedEntities,
            'incomingDependencies' => $this->jobManager->getIncomingDependencies($job),
            'statisticData' => $statisticData,
            'statisticOptions' => $statisticOptions,
        ));
    }

    /**
     * @Route("/{id}/retry", name = "jms_jobs_retry_job")
     */
    public function retryJobAction(Job $job)
    {
        $state = $job->getState();

        if (
            Job::STATE_FAILED !== $state &&
            Job::STATE_TERMINATED !== $state &&
            Job::STATE_INCOMPLETE !== $state
        ) {
            throw new HttpException(400, 'Given job can\'t be retried');
        }

        $retryJob = clone $job;

        //@see https://github.com/schmittjoh/JMSJobQueueBundle/issues/189
        $relatedEntities = $job->getRelatedEntities();

        if (!empty($relatedEntities)) {
            foreach ($relatedEntities as $relatedEntity) {
                $retryJob->addRelatedEntity($relatedEntity);
            }
        }

        $this->getEm()->persist($retryJob);
        $this->getEm()->flush();

        $url = $this->generateUrl('jms_jobs_details', ['id' => $retryJob->getId()]);

        return new RedirectResponse($url, 201);
    }

    private function getEm(): EntityManager
    {
        return $this->getDoctrine()->getManagerForClass(Job::class);
    }
}