100 lines
3.4 KiB
PHP
100 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\sharedStimulus\repository;
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use common_Exception;
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use core_kernel_classes_EmptyProperty;
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use core_kernel_classes_Literal;
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use core_kernel_classes_Resource;
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use oat\generis\model\data\Ontology;
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use oat\oatbox\service\ConfigurableService;
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use oat\taoMediaManager\model\fileManagement\FileManagement;
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use oat\taoMediaManager\model\fileManagement\FileSourceUnserializer;
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use oat\taoMediaManager\model\MediaService;
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use oat\taoMediaManager\model\MediaSource;
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use oat\taoMediaManager\model\sharedStimulus\FindQuery;
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use oat\taoMediaManager\model\sharedStimulus\SharedStimulus;
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class SharedStimulusRepository extends ConfigurableService implements SharedStimulusRepositoryInterface
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{
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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 find(FindQuery $query): SharedStimulus
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{
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$resource = $this->getOntology()->getResource($query->getId());
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return new SharedStimulus(
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$query->getId(),
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$this->getPropertyValue($resource, MediaService::PROPERTY_ALT_TEXT),
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$this->getPropertyValue($resource, MediaService::PROPERTY_LANGUAGE),
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$this->getContent($resource)
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);
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}
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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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private function getContent(core_kernel_classes_Resource $resource): string
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{
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$link = $this->getPropertyValue($resource, MediaService::PROPERTY_LINK);
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$link = $this->getFileSourceUnserializer()->unserialize($link);
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return (string)$this->getFileManagement()->getFileStream($link);
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}
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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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private function getPropertyValue(core_kernel_classes_Resource $resource, string $uri)
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{
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$propertyValue = $resource->getUniquePropertyValue($resource->getProperty($uri));
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if ($propertyValue instanceof core_kernel_classes_Resource) {
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return $propertyValue->getUri();
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}
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if ($propertyValue instanceof core_kernel_classes_Literal) {
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return (string)$propertyValue;
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}
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}
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private function getFileManagement(): 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 getOntology(): Ontology
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{
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return $this->getServiceLocator()->get(Ontology::SERVICE_ID);
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}
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private function getFileSourceUnserializer(): FileSourceUnserializer
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{
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return $this->getServiceLocator()->get(FileSourceUnserializer::class);
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}
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}
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