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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License |
| 6 | * as published by the Free Software Foundation; under version 2 |
| 7 | * of the License (non-upgradable). |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 17 | * |
| 18 | * Copyright (c) 2020 (original work) Open Assessment Technologies SA; |
| 19 | */ |
| 20 | |
| 21 | declare(strict_types=1); |
| 22 | |
| 23 | namespace oat\taoMediaManager\model\relation\task; |
| 24 | |
| 25 | use common_Exception; |
| 26 | use core_kernel_classes_EmptyProperty; |
| 27 | use core_kernel_classes_Resource; |
| 28 | use Exception; |
| 29 | use oat\generis\model\OntologyAwareTrait; |
| 30 | use oat\oatbox\filesystem\File; |
| 31 | use oat\oatbox\service\ConfigurableService; |
| 32 | use oat\tao\model\task\migration\service\ResultUnitProcessorInterface; |
| 33 | use oat\tao\model\task\migration\ResultUnit; |
| 34 | use oat\taoMediaManager\model\fileManagement\FileManagement; |
| 35 | use oat\taoMediaManager\model\MediaService; |
| 36 | use oat\taoMediaManager\model\relation\service\update\MediaRelationUpdateService; |
| 37 | use oat\taoMediaManager\model\sharedStimulus\parser\SharedStimulusMediaExtractor; |
| 38 | use oat\taoMediaManager\model\sharedStimulus\specification\SharedStimulusResourceSpecification; |
| 39 | use oat\taoMediaManager\model\TaoMediaOntology; |
| 40 | |
| 41 | class MediaToMediaUnitProcessor extends ConfigurableService implements ResultUnitProcessorInterface |
| 42 | { |
| 43 | use OntologyAwareTrait; |
| 44 | |
| 45 | /** |
| 46 | * @throws common_Exception |
| 47 | * @throws core_kernel_classes_EmptyProperty |
| 48 | */ |
| 49 | public function process(ResultUnit $unit): void |
| 50 | { |
| 51 | $resource = $unit->getResult(); |
| 52 | |
| 53 | if (!$resource instanceof core_kernel_classes_Resource) { |
| 54 | throw new Exception('Unit is not a resource'); |
| 55 | } |
| 56 | |
| 57 | if ($this->getSharedStimulusResourceSpecification()->isSatisfiedBy($resource)) { |
| 58 | $fileLink = $resource->getUniquePropertyValue( |
| 59 | $this->getProperty(TaoMediaOntology::PROPERTY_LINK) |
| 60 | ); |
| 61 | |
| 62 | $fileLink = $fileLink instanceof core_kernel_classes_Resource ? $fileLink->getUri() : (string)$fileLink; |
| 63 | $fileSource = $this->getFileManager()->getFileStream($fileLink); |
| 64 | $content = $fileSource instanceof File ? $fileSource->read() : $fileSource->getContents(); |
| 65 | |
| 66 | $elementIds = $this->getSharedStimulusExtractor()->extractMediaIdentifiers($content); |
| 67 | $this->getMediaRelationUpdateService()->updateByTargetId($resource->getUri(), $elementIds); |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | private function getSharedStimulusExtractor(): SharedStimulusMediaExtractor |
| 72 | { |
| 73 | return $this->getServiceLocator()->get(SharedStimulusMediaExtractor::class); |
| 74 | } |
| 75 | |
| 76 | private function getFileManager(): FileManagement |
| 77 | { |
| 78 | return $this->getServiceLocator()->get(FileManagement::SERVICE_ID); |
| 79 | } |
| 80 | |
| 81 | private function getMediaRelationUpdateService(): MediaRelationUpdateService |
| 82 | { |
| 83 | return $this->getServiceLocator()->get(MediaRelationUpdateService::class); |
| 84 | } |
| 85 | |
| 86 | private function getSharedStimulusResourceSpecification(): SharedStimulusResourceSpecification |
| 87 | { |
| 88 | return $this->getServiceLocator()->get(SharedStimulusResourceSpecification::class); |
| 89 | } |
| 90 | } |