DeviceBundle/Twig/DeviceLogExtension.php

<?php

namespace DeviceBundle\Twig;

use WebserviceBundle\Services\Webservice;

class DeviceLogExtension extends \Twig_Extension
{

    /**
     * @var Webservice
     */
    protected $webservice;

    /**
     * @var string
     */
    protected $deviceGetUrl;

    /**
     * @var string
     */
    protected $deviceLogGetUrl;


    /**
     * @param Webservice $webservice
     * @param string $deviceGetUrl
     * @param string $deviceLogGetUrl
     */
    public function __construct(Webservice $webservice, $deviceGetUrl, $deviceLogGetUrl)
    {
        $this->webservice = $webservice;
        $this->deviceGetUrl = $deviceGetUrl;
        $this->deviceLogGetUrl = $deviceLogGetUrl;
    }

    /**
     * @return array
     */
    public function getFunctions()
    {
        return array(
            new \Twig_SimpleFunction('device_log', array($this, 'getDeviceLog')),
        );
    }

    /**
     * @param Entity $object
     * @param int $limit
     * @param int $offset
     *
     * @return array
     */
    public function getDeviceLog($object, $limit = 50, $offset = 0)
    {
        $filters = array(
            'deviceType' => get_class($object),
            'deviceId' => $object->getId(),
            'disableTenancy' => true
        );

        $device = $this->webservice->getData($this->deviceGetUrl, $filters);

        $log = '';
        if (count($device) && isset($device[0])) {
            $filters = array(
                'device' => $device[0]['id'],
            );
            $deviceLogs = $this->webservice->getData($this->deviceLogGetUrl, $filters, array(), $limit, $offset);
            foreach ($deviceLogs as $deviceLog) {
                unset($deviceLog['device']);
                $created = new \DateTime($deviceLog['created']);
                $log .= $created->format('d/m/Y H:i') . ' - ' . $deviceLog['message'] . PHP_EOL;
            }
        }

        return $log;
    }

    /**
     * @return string
     */
    public function getName()
    {
        return 'device_log_extension';
    }

}