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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 | } |