SWP\Bundle\CoreBundle\Serializer\CachedJMSSerializer

Complexity

Total Complexity

13

Size/Duplication

Total Lines	53
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Importance

Changes

0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	serialize()	0	15	4
A	deserialize()	0	15	4
A	getCacheKey()	0	16	5

<?php

declare(strict_types=1);

/*
 * This file is part of the Superdesk Web Publisher Core Bundle.
 *
 * Copyright 2019 Sourcefabric z.ú. and contributors.
 *
 * For the full copyright and license information, please see the
 * AUTHORS and LICENSE files distributed with this source code.
 *
 * @copyright 2019 Sourcefabric z.ú
 * @license http://www.superdesk.org/license
 */

namespace SWP\Bundle\CoreBundle\Serializer;

use SWP\Bridge\JMSSerializerBundle\JMSSerializer;
use SWP\Component\Common\Model\TimestampableInterface;
use SWP\Component\Storage\Model\PersistableInterface;

final class CachedJMSSerializer extends JMSSerializer
{
    private $cachedData = [];

    public function serialize($data, $format)
    {
        $cacheKey = $this->getCacheKey($data, null, $format);
        if (null !== $cacheKey && \array_key_exists($cacheKey, $this->cachedData)) {
            return $this->cachedData[$cacheKey];
        }

        $result = parent::serialize($data, $format);

        if (null !== $cacheKey) {
            $this->cachedData[$cacheKey] = $result;
        }

        return $result;
    }

    public function deserialize($data, $type, $format)
    {
        $cacheKey = $this->getCacheKey($data, $type, $format);
        if (null !== $cacheKey && \array_key_exists($cacheKey, $this->cachedData)) {
            return $this->cachedData[$cacheKey];
        }

        $result = parent::deserialize($data, $type, $format);

        if (null !== $cacheKey) {
            $this->cachedData[$cacheKey] = $result;
        }

        return $result;
    }

    private function getCacheKey($data, string $type = null, string $format = null): ?string
    {
        if ($data instanceof TimestampableInterface && $data instanceof PersistableInterface) {
            $keyElements = [$data->getId(), $data->getCreatedAt()->getTimestamp()];
            $keyElements[] = $data->getUpdatedAt() ? $data->getUpdatedAt()->getTimestamp() : null;
            $keyElements[] = $format;

            return \implode('__', $keyElements);
        }

        if (\is_string($data)) {
            return md5($data.'__'.$type.'__'.$format);
        }

        return null;
    }
}