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<?php
declare(strict_types=1);
/**
* Nextcloud - Social Support
*
* This file is licensed under the Affero General Public License version 3 or
* later. See the COPYING file.
*
* @author Maxence Lange <maxence@artificial-owl.com>
* @copyright 2018, Maxence Lange <maxence@artificial-owl.com>
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OCA\Social\Db;
use DateTime;
use Exception;
use OCA\Social\Exceptions\CacheDocumentDoesNotExistException;
use OCA\Social\Model\ActivityPub\Object\Document;
use OCP\DB\QueryBuilder\IQueryBuilder;
class CacheDocumentsRequest extends CacheDocumentsRequestBuilder {
const CACHING_TIMEOUT = 5; // 5 min
/**
* insert cache about an Actor in database.
*
* @param Document $document
*/
public function save(Document $document) {
$qb = $this->getCacheDocumentsInsertSql();
$qb->setValue('id', $qb->createNamedParameter($document->getId()))
->setValue('type', $qb->createNamedParameter($document->getType()))
->setValue('url', $qb->createNamedParameter($document->getUrl()))
->setValue('media_type', $qb->createNamedParameter($document->getMediaType()))
->setValue('mime_type', $qb->createNamedParameter($document->getMimeType()))
->setValue('error', $qb->createNamedParameter($document->getError()))
->setValue('local_copy', $qb->createNamedParameter($document->getLocalCopy()))
->setValue('parent_id', $qb->createNamedParameter($document->getParentId()))
->setValue('public', $qb->createNamedParameter(($document->isPublic()) ? '1' : '0'));
try {
$qb->setValue(
'creation',
$qb->createNamedParameter(new DateTime('now'), IQueryBuilder::PARAM_DATE)
);
} catch (Exception $e) {
}
$this->generatePrimaryKey($qb, $document->getId());
$qb->execute();
}
/**
* insert cache about an Actor in database.
*
* @param Document $document
*/
public function update(Document $document) {
$qb = $this->getCacheDocumentsUpdateSql();
$qb->set('type', $qb->createNamedParameter($document->getType()))
->set('url', $qb->createNamedParameter($document->getUrl()))
->set('media_type', $qb->createNamedParameter($document->getMediaType()))
->set('mime_type', $qb->createNamedParameter($document->getMimeType()))
->set('error', $qb->createNamedParameter($document->getError()))
->set('local_copy', $qb->createNamedParameter($document->getLocalCopy()))
->set('parent_id', $qb->createNamedParameter($document->getParentId()))
->set('public', $qb->createNamedParameter(($document->isPublic()) ? '1' : '0'));
try {
$qb->set(
'creation',
$qb->createNamedParameter(new DateTime('now'), IQueryBuilder::PARAM_DATE)
);
} catch (Exception $e) {
}
$this->limitToIdString($qb, $document->getId());
$qb->execute();
}
/**
* @param Document $document
*/
public function initCaching(Document $document) {
$qb = $this->getCacheDocumentsUpdateSql();
$this->limitToIdString($qb, $document->getId());
try {
$qb->set(
'caching', $qb->createNamedParameter(new DateTime('now'), IQueryBuilder::PARAM_DATE)
);
} catch (Exception $e) {
}
$qb->execute();
}
/**
* @param Document $document
*/
public function endCaching(Document $document) {
$qb = $this->getCacheDocumentsUpdateSql();
$this->limitToIdString($qb, $document->getId());
$qb->set('local_copy', $qb->createNamedParameter($document->getLocalCopy()));
$qb->set('error', $qb->createNamedParameter($document->getError()));
$qb->execute();
}
/**
* @param string $url
*
* @return Document
* @throws CacheDocumentDoesNotExistException
*/
public function getByUrl(string $url) {
$qb = $this->getCacheDocumentsSelectSql();
$this->limitToUrl($qb, $url);
$cursor = $qb->execute();
$data = $cursor->fetch();
$cursor->closeCursor();
if ($data === false) {
throw new CacheDocumentDoesNotExistException();
}
return $this->parseCacheDocumentsSelectSql($data);
}
/**
* @param string $id
*
* @param bool $public
*
* @return Document
* @throws CacheDocumentDoesNotExistException
*/
public function getById(string $id, bool $public = false) {
$qb = $this->getCacheDocumentsSelectSql();
$this->limitToIdString($qb, $id);
if ($public === true) {
$this->limitToPublic($qb);
}
$cursor = $qb->execute();
$data = $cursor->fetch();
$cursor->closeCursor();
if ($data === false) {
throw new CacheDocumentDoesNotExistException();
}
return $this->parseCacheDocumentsSelectSql($data);
}
/**
* @param Document $item
*
* @return bool
*/
public function isDuplicate(Document $item): bool {
$qb = $this->getCacheDocumentsSelectSql();
$this->limitToUrl($qb, $item->getUrl());
$this->limitToParentId($qb, $item->getParentId());
$cursor = $qb->execute();
$data = $cursor->fetch();
$cursor->closeCursor();
return ($data !== false);
}
/**
* @return Document[]
* @throws Exception
*/
public function getNotCachedDocuments() {
$qb = $this->getCacheDocumentsSelectSql();
$this->limitToDBFieldEmpty($qb, 'local_copy');
$this->limitToCaching($qb, self::CACHING_TIMEOUT);
$this->limitToDBFieldInt($qb, 'error', 0);
$documents = [];
$cursor = $qb->execute();
while ($data = $cursor->fetch()) {
$documents[] = $this->parseCacheDocumentsSelectSql($data);
}
$cursor->closeCursor();
return $documents;
}
/**
* @param string $url
*/
public function deleteByUrl(string $url) {
$qb = $this->getCacheDocumentsDeleteSql();
$this->limitToUrl($qb, $url);
$qb->execute();
}
/**
* @param string $id
*/
public function deleteById(string $id) {
$qb = $this->getCacheDocumentsDeleteSql();
$this->limitToIdString($qb, $id);
$qb->execute();
}
}
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