104 lines
2.7 KiB
PHP
104 lines
2.7 KiB
PHP
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<?php
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/**
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; under version 2
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* of the License (non-upgradable).
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Copyright (c) 2019 (original work) Open Assessment Technologies SA (under the project TAO-PRODUCT);
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*/
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namespace oat\tao\model\service;
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use common_Exception;
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use common_persistence_KeyValuePersistence;
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use common_persistence_Persistence;
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use oat\oatbox\service\ConfigurableService;
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use oat\tao\model\settings\SettingsStorageInterface;
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/**
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* Persistence for settings
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*
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* @author Martijn Swinkels <m.swinkels@taotesting.com>
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*/
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class SettingsStorage extends ConfigurableService implements SettingsStorageInterface
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{
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const OPTION_PERSISTENCE = 'persistence';
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const OPTION_KEY_NAMESPACE = 'key_namespace';
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/**
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* @var common_persistence_KeyValuePersistence
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*/
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private $persistence;
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/**
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* @inheritdoc
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*/
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public function set($settingId, $data)
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{
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try {
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return $this->getPersistence()->set($this->getKey($settingId), $data);
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} catch (common_Exception $e) {
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return false;
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}
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}
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/**
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* @inheritdoc
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*/
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public function get($settingId)
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{
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return $this->getPersistence()->get($this->getKey($settingId));
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}
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/**
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* @inheritdoc
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*/
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public function exists($settingId)
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{
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return $this->getPersistence()->exists($this->getKey($settingId));
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}
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/**
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* @inheritdoc
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*/
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public function del($settingId)
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{
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return $this->getPersistence()->del($this->getKey($settingId));
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}
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/**
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* @return common_persistence_Persistence
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*/
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private function getPersistence()
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{
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if ($this->persistence === null) {
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$this->persistence = common_persistence_KeyValuePersistence::getPersistence(
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$this->getOption(self::OPTION_PERSISTENCE)
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);
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}
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return $this->persistence;
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}
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/**
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* @param string $settingId
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* @return string
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*/
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private function getKey($settingId)
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{
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$namespace = $this->hasOption(self::OPTION_KEY_NAMESPACE) ? $this->getOption(self::OPTION_KEY_NAMESPACE) : '';
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return $namespace . $settingId;
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}
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}
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