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<?php
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namespace Kevinrob\GuzzleCache\Storage;
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use Illuminate\Contracts\Cache\Repository as Cache;
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use Kevinrob\GuzzleCache\CacheEntry;
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class LaravelCacheStorage implements CacheStorageInterface
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{
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    /**
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     * @var Cache
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     */
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    protected $cache;
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    /**
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     * @param Cache $cache
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     */
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    public function __construct(Cache $cache)
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    {
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        $this->cache = $cache;
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    }
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    /**
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     * {@inheritdoc}
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     */
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    public function fetch($key)
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    {
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        try {
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            $cache = unserialize($this->cache->get($key, ''));
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            if ($cache instanceof CacheEntry) {
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                return $cache;
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            }
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        } catch (\Exception $ignored) {
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            return;
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        }
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        return;
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    }
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    /**
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     * {@inheritdoc}
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     */
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    public function save($key, CacheEntry $data)
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    {
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        try {
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            $lifeTime = $this->getLifeTime($data);
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            if ($lifeTime === 0) {
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                return $this->cache->forever(
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                    $key,
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                    serialize($data)
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                );
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            } else if ($lifeTime > 0) {
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                return $this->cache->add(
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                    $key,
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                    serialize($data),
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                    $lifeTime
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                );
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            }
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        } catch (\Exception $ignored) {
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            // No fail if we can't save it the storage
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        }
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        return false;
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    }
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    /**
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     * {@inheritdoc}
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     */
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    public function delete($key)
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    {
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        return $this->cache->forget($key);
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    }
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    protected function getLifeTime(CacheEntry $data)
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    {
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        $version = app()->version();
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        if (preg_match('/^\d+(\.\d+)?(\.\d+)?/', $version) && version_compare($version, '5.8.0') < 0) {
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            // getTTL returns seconds, Laravel needs minutes before v5.8
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            return $data->getTTL() / 60;
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        }
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        return $data->getTTL();
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    }
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}