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epubreader/lib/Db/PreferenceMapper.php

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<?php
/**
* @author Frank de Lange
* @copyright 2017 Frank de Lange
*
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
namespace OCA\Epubreader\Db;
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use OCA\Epubreader\Utility\Time;
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use OCP\AppFramework\Db\Entity;
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use OCP\IDBConnection;
class PreferenceMapper extends ReaderMapper {
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private $userId;
public function __construct(IDBConnection $db, $UserId, Time $time) {
parent::__construct($db, 'reader_prefs', Preference::class, $time);
$this->userId = $UserId;
}
/**
* @brief get preferences for $scope+$fileId+$userId(+$name)
*
* @param string $scope
* @param int $fileId
* @param string $name
* @return array
*/
public function get($scope, $fileId, $name = null) {
$query = $this->db->getQueryBuilder();
$query->select('*')
->from($this->getTableName())
->where($query->expr()->eq('scope', $query->createNamedParameter($scope)))
->andWhere($query->expr()->eq('file_id', $query->createNamedParameter($fileId)))
->andWhere($query->expr()->eq('user_id', $query->createNamedParameter($this->userId)));
if (!empty($name)) {
$query->andWhere($query->expr()->eq('name', $query->createNamedParameter($name)));
}
return $this->findEntities($query);
}
/**
* @brief write preference to database
*
* @param string $scope
* @param int $fileId
* @param string $name
* @param string $value
*
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* @return Entity the newly created or updated preference
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*/
public function set($scope, $fileId, $name, $value) {
$result = $this->get($scope, $fileId, $name);
if(empty($result)) {
$preference = new Preference();
$preference->setScope($scope);
$preference->setFileId($fileId);
$preference->setUserId($this->userId);
$preference->setName($name);
$preference->setValue($value);
$this->insert($preference);
} else {
$preference = $result[0];
$preference->setValue($value);
$this->update($preference);
}
return $preference;
}
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}