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<?php |
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/** |
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* For the full copyright and license information, please view |
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* the LICENSE file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace ChampsLibres\WopiLib\Service; |
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use ChampsLibres\WopiLib\Contract\Entity\Document; |
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use ChampsLibres\WopiLib\Contract\Service\DocumentLockManagerInterface; |
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use DateInterval; |
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use Psr\Cache\CacheItemPoolInterface; |
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use Psr\Http\Message\RequestInterface; |
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final class DocumentLockManager implements DocumentLockManagerInterface |
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{ |
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private CacheItemPoolInterface $cache; |
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public function __construct(CacheItemPoolInterface $cache) |
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{ |
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$this->cache = $cache; |
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} |
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public function deleteLock(Document $document, RequestInterface $request): bool |
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{ |
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// instead of deleting the lock, set a short expiration time |
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// it gives a chance for concurrent request which put the file content |
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// to meet an existing lock, and avoid them to be banned |
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$item = $this->cache->getItem($this->getCacheId($document->getWopiDocId())); |
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$item->expiresAfter(new DateInterval('PT10S')); |
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return $this->cache->save($item); |
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} |
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public function getLock(Document $document, RequestInterface $request): string |
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{ |
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return $this->cache->getItem($this->getCacheId($document->getWopiDocId()))->get(); |
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} |
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public function hasLock(Document $document, RequestInterface $request): bool |
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{ |
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$item = $this->cache->getItem($this->getCacheId($document->getWopiDocId())); |
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return $item->isHit(); |
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} |
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public function setLock(Document $document, string $lockId, RequestInterface $request): bool |
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{ |
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$item = $this->cache->getItem($this->getCacheId($document->getWopiDocId())); |
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$item->set($lockId); |
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// according to the specs, lock should last 30M |
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$item->expiresAfter(new DateInterval('PT31M')); |
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return $this->cache->save($item); |
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} |
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private function getCacheId(string $documentId): string |
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{ |
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return sprintf('wopi_lib_lock_%s', $documentId); |
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} |
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} |
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Champs-Libres /
wopi-lib
