86 lines
3.4 KiB
PHP
86 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) 2020 (original work) Open Assessment Technologies SA;
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*/
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declare(strict_types=1);
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namespace oat\taoMediaManager\model\relation\task;
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use common_Exception;
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use core_kernel_classes_EmptyProperty;
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use core_kernel_classes_Resource;
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use Exception;
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use oat\generis\model\OntologyAwareTrait;
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use oat\oatbox\filesystem\File;
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use oat\oatbox\service\ConfigurableService;
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use oat\tao\model\task\migration\service\ResultUnitProcessorInterface;
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use oat\tao\model\task\migration\ResultUnit;
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use oat\taoMediaManager\model\fileManagement\FileManagement;
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use oat\taoMediaManager\model\MediaService;
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use oat\taoMediaManager\model\relation\service\update\MediaRelationUpdateService;
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use oat\taoMediaManager\model\sharedStimulus\parser\SharedStimulusMediaExtractor;
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use oat\taoMediaManager\model\sharedStimulus\specification\SharedStimulusResourceSpecification;
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class MediaToMediaUnitProcessor extends ConfigurableService implements ResultUnitProcessorInterface
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{
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use OntologyAwareTrait;
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/**
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* @throws common_Exception
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* @throws core_kernel_classes_EmptyProperty
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*/
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public function process(ResultUnit $unit): void
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{
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$resource = $unit->getResult();
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if (!$resource instanceof core_kernel_classes_Resource) {
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throw new Exception('Unit is not a resource');
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}
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if ($this->getSharedStimulusResourceSpecification()->isSatisfiedBy($resource)) {
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$fileLink = $resource->getUniquePropertyValue($this->getProperty(MediaService::PROPERTY_LINK));
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$fileLink = $fileLink instanceof core_kernel_classes_Resource ? $fileLink->getUri() : (string)$fileLink;
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$fileSource = $this->getFileManager()->getFileStream($fileLink);
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$content = $fileSource instanceof File ? $fileSource->read() : $fileSource->getContents();
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$elementIds = $this->getSharedStimulusExtractor()->extractMediaIdentifiers($content);
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$this->getMediaRelationUpdateService()->updateByTargetId($resource->getUri(), $elementIds);
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}
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}
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private function getSharedStimulusExtractor(): SharedStimulusMediaExtractor
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{
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return $this->getServiceLocator()->get(SharedStimulusMediaExtractor::class);
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}
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private function getFileManager(): FileManagement
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{
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return $this->getServiceLocator()->get(FileManagement::SERVICE_ID);
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}
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private function getMediaRelationUpdateService(): MediaRelationUpdateService
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{
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return $this->getServiceLocator()->get(MediaRelationUpdateService::class);
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}
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private function getSharedStimulusResourceSpecification(): SharedStimulusResourceSpecification
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{
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return $this->getServiceLocator()->get(SharedStimulusResourceSpecification::class);
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}
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}
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