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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) 2017-2022 (original work) Open Assessment Technologies SA (under the project TAO-PRODUCT); |
| 19 | */ |
| 20 | |
| 21 | namespace oat\taoQtiItem\model\qti\metadata\ontology; |
| 22 | |
| 23 | use oat\generis\model\OntologyAwareTrait; |
| 24 | use oat\taoQtiItem\model\qti\metadata\MetadataInjectionException; |
| 25 | use oat\taoQtiItem\model\qti\metadata\MetadataInjector; |
| 26 | use oat\taoQtiItem\model\qti\metadata\MetadataValue; |
| 27 | |
| 28 | class GenericLomOntologyClassificationInjector implements MetadataInjector |
| 29 | { |
| 30 | use OntologyAwareTrait; |
| 31 | |
| 32 | /** |
| 33 | * Inject dynamically a metadata to an item property |
| 34 | * |
| 35 | * @param mixed $target |
| 36 | * @param array $values |
| 37 | * @throws MetadataInjectionException |
| 38 | */ |
| 39 | public function inject($target, array $values) |
| 40 | { |
| 41 | $this->assertIsResource($target); |
| 42 | |
| 43 | /** @var \core_kernel_classes_Class $targetClass */ |
| 44 | $types = $target->getTypes(); |
| 45 | $targetClass = reset($types); |
| 46 | $classProperties = $targetClass->getProperties(true); |
| 47 | |
| 48 | $properties = []; |
| 49 | foreach ($classProperties as $property) { |
| 50 | $properties[] = $property->getUri(); |
| 51 | } |
| 52 | $properties = array_diff($properties, GenericLomOntologyClassificationExtractor::$excludedProperties); |
| 53 | |
| 54 | $newValues = $this->groupValuesByLgAndProperty($properties, $values); |
| 55 | |
| 56 | foreach ($newValues as $langCode => $perLangProperties) { |
| 57 | foreach ($perLangProperties as $valuePath => $values) { |
| 58 | $property = $this->getProperty($valuePath); |
| 59 | foreach ($values as $value) { |
| 60 | $this->savePropertyValue($target, $property, $value, $langCode); |
| 61 | } |
| 62 | } |
| 63 | } |
| 64 | } |
| 65 | |
| 66 | private function savePropertyValue( |
| 67 | \core_kernel_classes_Resource $target, |
| 68 | \core_kernel_classes_Property $property, |
| 69 | $value, |
| 70 | $langCode |
| 71 | ): void { |
| 72 | $previousValues = $target->getPropertyValuesByLg($property, $langCode); |
| 73 | |
| 74 | if ($previousValues->count() > 0 && $property->isMultiple()) { |
| 75 | $target->setPropertyValueByLg($property, $value, $langCode); |
| 76 | |
| 77 | return; |
| 78 | } |
| 79 | |
| 80 | $target->editPropertyValueByLg($property, $value, $langCode); |
| 81 | } |
| 82 | |
| 83 | private function groupValuesByLgAndProperty( |
| 84 | array $propertyURIs, |
| 85 | array $values |
| 86 | ): array { |
| 87 | $newPropertyValues = []; |
| 88 | |
| 89 | foreach ($values as $metadataValues) { |
| 90 | /** @var MetadataValue $metadataValue */ |
| 91 | foreach ($metadataValues as $metadataValue) { |
| 92 | $lang = $metadataValue->getLanguage() ?: DEFAULT_LANG; |
| 93 | $path = $metadataValue->getPath(); |
| 94 | $valuePath = trim((string)end($path)); |
| 95 | |
| 96 | if (in_array($valuePath, $propertyURIs)) { |
| 97 | if (!isset($newPropertyValues[$lang])) { |
| 98 | $newPropertyValues[$lang] = []; |
| 99 | } |
| 100 | |
| 101 | if (!isset($newPropertyValues[$lang][$valuePath])) { |
| 102 | $newPropertyValues[$lang][$valuePath] = []; |
| 103 | } |
| 104 | |
| 105 | $newPropertyValues[$lang][$valuePath][] = $metadataValue->getValue(); |
| 106 | } |
| 107 | } |
| 108 | } |
| 109 | |
| 110 | return $newPropertyValues; |
| 111 | } |
| 112 | |
| 113 | /** |
| 114 | * @throws MetadataInjectionException |
| 115 | */ |
| 116 | private function assertIsResource($target): void |
| 117 | { |
| 118 | if (!$target instanceof \core_kernel_classes_Resource) { |
| 119 | throw new MetadataInjectionException( |
| 120 | 'The given target is not an instance of core_kernel_classes_Resource.' |
| 121 | ); |
| 122 | } |
| 123 | } |
| 124 | } |