118 lines
3.4 KiB
PHP
118 lines
3.4 KiB
PHP
<?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) 2013 (original work) Open Assessment Technologies SA (under the project TAO-PRODUCT);
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*
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*/
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namespace oat\tao\model\state;
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use oat\oatbox\filesystem\FileSystem;
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use oat\oatbox\filesystem\FileSystemService;
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use oat\oatbox\service\exception\InvalidService;
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use oat\oatbox\service\ConfigurableService;
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/**
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* Persistence for the item delivery service
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*
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* @access public
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* @author Antoine Robin Bout, <antoine@taotesting.com>
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* @package tao
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*/
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class StateMigration extends ConfigurableService
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{
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const SERVICE_ID = 'tao/migrationState';
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const OPTION_FILESYSTEM = 'fileSystem';
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/**
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* @var FileSystem
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*/
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private $fileSystem = null;
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public function __construct(array $options = [])
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{
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if (!isset($options[self::OPTION_FILESYSTEM])) {
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throw new InvalidService(__("missing config %s for the service %s", self::OPTION_FILESYSTEM, self::class));
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}
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parent::__construct($options);
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}
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/**
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* Store the state of the service call
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*
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* @param string $userId
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* @param string $callId
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* @return boolean
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*/
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public function archive($userId, $callId)
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{
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/** @var StateStorage $stateStorage */
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$stateStorage = $this->getServiceManager()->get(StateStorage::SERVICE_ID);
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$state = $stateStorage->get($userId, $callId);
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return (!is_null($state)) ? $this->getFileSystem()->write($this->generateSerial($userId, $callId), $state) : false;
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}
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public function restore($userId, $callId)
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{
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$state = $this->getFileSystem()->read($this->generateSerial($userId, $callId));
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/** @var StateStorage $stateStorage */
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$stateStorage = $this->getServiceManager()->get(StateStorage::SERVICE_ID);
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return $stateStorage->set($userId, $callId, $state);
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}
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public function removeState($userId, $callId)
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{
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/** @var StateStorage $stateStorage */
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$stateStorage = $this->getServiceManager()->get(StateStorage::SERVICE_ID);
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$stateStorage->del($userId, $callId);
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}
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public function removeBackup($userId, $callId)
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{
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return $this->getFileSystem()->delete($this->generateSerial($userId, $callId));
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}
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private function generateSerial($userId, $callId)
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{
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return md5($userId . $callId);
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}
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/**
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*
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* @return FileSystem
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*/
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private function getFileSystem()
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{
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if (is_null($this->fileSystem)) {
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/** @var FileSystemService $fileSystemService */
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$fileSystemService = $this->getServiceManager()->get(FileSystemService::SERVICE_ID);
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$this->fileSystem = $fileSystemService->getFileSystem($this->getOption(self::OPTION_FILESYSTEM));
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}
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return $this->fileSystem;
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}
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}
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