144 lines
3.5 KiB
PHP
144 lines
3.5 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) 2017 (original work) Open Assessment Technologies SA
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*
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*/
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namespace oat\tao\model\upload;
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use oat\generis\persistence\PersistenceManager;
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use oat\oatbox\filesystem\File;
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use Zend\ServiceManager\ServiceLocatorAwareInterface;
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use Zend\ServiceManager\ServiceLocatorAwareTrait;
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use Zend\ServiceManager\ServiceLocatorInterface;
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class TempFlyStorageAssociation implements TmpLocalAwareStorageInterface, ServiceLocatorAwareInterface
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{
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use ServiceLocatorAwareTrait;
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/**
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* @param ServiceLocatorInterface $serviceLocator
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*/
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public function __construct(ServiceLocatorInterface $serviceLocator)
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{
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$this->setServiceLocator($serviceLocator);
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}
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/**
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* @param File $file
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* @throws \common_Exception
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*/
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public function setUpload(File $file)
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{
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$hash = $this->getHashedKey($file);
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$this->set($hash, []);
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}
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/**
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* @param File $remote
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* @param string $local
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* @throws \common_Exception
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*/
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public function addLocalCopies(File $remote, $local)
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{
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$hash = $this->getHashedKey($remote);
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$current = $this->getLocalCopies($remote);
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$current[] = $local;
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$this->set($hash, $current);
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}
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/**
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* @param $file
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* @return array
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*/
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public function getLocalCopies(File $file)
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{
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$result = $this->get($this->getHashedKey($file));
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return is_array($result) ? $result : [];
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}
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/**
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* @param File $file
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* @return string
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*/
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private function getHashedKey(File $file)
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{
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return md5($file->getPrefix());
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}
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/**
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* @param File $file
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*/
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public function removeFiles(File $file)
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{
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$this->remove($this->getHashedKey($file));
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}
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/**
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* @return \common_persistence_KeyValuePersistence
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*/
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private function getKvStorage()
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{
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/** @var PersistenceManager $pm */
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$pm = $this->getServiceLocator()->get(PersistenceManager::SERVICE_ID);
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return $pm->getPersistenceById('default_kv');
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}
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/**
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* @param $key
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* @param $val
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* @throws \common_Exception
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*/
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private function set($key, $val)
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{
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$key = $this->getPrefix() . $key;
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$this->getKvStorage()->set($key, json_encode($val));
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}
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/**
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* @param $key
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*/
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private function remove($key)
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{
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$key = $this->getPrefix() . $key;
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$this->getKvStorage()->del($key);
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}
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/**
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* @param $key
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* @return mixed|null
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*/
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private function get($key)
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{
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$key = $this->getPrefix() . $key;
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if ($this->getKvStorage()->exists($key)) {
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return json_decode($this->getKvStorage()->get($key), true);
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}
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return null;
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}
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/**
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* @return string
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*/
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private function getPrefix()
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{
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return static::class;
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}
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}
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