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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) 2024 (original work) Open Assessment Technologies SA; |
| 19 | */ |
| 20 | |
| 21 | declare(strict_types=1); |
| 22 | |
| 23 | namespace oat\taoQtiTest\models\classes\metadata; |
| 24 | |
| 25 | use core_kernel_classes_Resource as Resource; |
| 26 | use core_kernel_classes_Triple as Triple; |
| 27 | use DOMDocument; |
| 28 | use oat\generis\model\data\Ontology; |
| 29 | use oat\taoQtiItem\model\qti\metadata\MetadataExtractionException; |
| 30 | use oat\taoQtiTest\models\classes\metadata\metaMetadata\PropertyMapper; |
| 31 | |
| 32 | class GenericLomOntologyExtractor |
| 33 | { |
| 34 | private Ontology $ontology; |
| 35 | private PropertyMapper $propertyMapper; |
| 36 | private MetadataLomService $metadataLomService; |
| 37 | |
| 38 | public function __construct( |
| 39 | Ontology $ontology, |
| 40 | PropertyMapper $propertyMapper, |
| 41 | MetadataLomService $metadataLomService |
| 42 | ) { |
| 43 | $this->ontology = $ontology; |
| 44 | $this->propertyMapper = $propertyMapper; |
| 45 | $this->metadataLomService = $metadataLomService; |
| 46 | } |
| 47 | |
| 48 | /** |
| 49 | * @param Resource[] $resourceCollection |
| 50 | * @throws MetadataExtractionException |
| 51 | */ |
| 52 | public function extract(array $resourceCollection, DOMDocument $manifest): void |
| 53 | { |
| 54 | $properties = []; |
| 55 | |
| 56 | foreach ($resourceCollection as $resource) { |
| 57 | if (!$resource instanceof Resource) { |
| 58 | throw new MetadataExtractionException( |
| 59 | __('The given target is not an instance of core_kernel_classes_Resource') |
| 60 | ); |
| 61 | } |
| 62 | |
| 63 | foreach ($resource->getRdfTriples() as $triple) { |
| 64 | if ($this->mappingRequired($properties, $triple)) { |
| 65 | $properties[] = $this->propertyMapper |
| 66 | ->getMetadataProperties( |
| 67 | $this->ontology->getProperty($triple->predicate) |
| 68 | ); |
| 69 | } |
| 70 | } |
| 71 | } |
| 72 | |
| 73 | $this->metadataLomService->addPropertiesToMetadataBlock($properties, $manifest); |
| 74 | } |
| 75 | |
| 76 | /** |
| 77 | * Mapping action only applies for confirmed properties that are not already mapped |
| 78 | */ |
| 79 | private function mappingRequired(array $properties, Triple $triple): bool |
| 80 | { |
| 81 | return $this->ontology->getProperty($triple->predicate)->isProperty() && |
| 82 | array_filter($properties, function ($property) use ($triple) { |
| 83 | return $property['uri'] === $triple->predicate; |
| 84 | }) === []; |
| 85 | } |
| 86 | } |