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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 (original work) Open Assessment Technologies SA |
| 19 | * |
| 20 | */ |
| 21 | |
| 22 | namespace oat\taoQtiItem\model\qti\metadata\imsManifest\classificationMetadata; |
| 23 | |
| 24 | use oat\taoQtiItem\model\qti\metadata\imsManifest\ImsManifestMetadataExtractor; |
| 25 | use oat\taoQtiItem\model\qti\metadata\imsManifest\ImsManifestMetadataValue; |
| 26 | use oat\taoQtiItem\model\qti\metadata\LomMetadata; |
| 27 | use oat\taoQtiItem\model\qti\metadata\MetadataValue; |
| 28 | use oat\taoQtiItem\model\qti\metadata\simple\SimpleMetadataValue; |
| 29 | |
| 30 | class GenericLomManifestClassificationExtractor extends ImsManifestMetadataExtractor |
| 31 | { |
| 32 | /** |
| 33 | * @see ImsManifestDataExtractor::extract() |
| 34 | * |
| 35 | * @param mixed $manifest |
| 36 | * @return array |
| 37 | */ |
| 38 | public function extract($manifest) |
| 39 | { |
| 40 | $values = parent::extract($manifest); |
| 41 | $newValues = []; |
| 42 | |
| 43 | foreach ($values as $resourceIdentifier => $metadataValueCollection) { |
| 44 | |
| 45 | /** @var ImsManifestMetadataValue $metadataValue */ |
| 46 | foreach ($metadataValueCollection as $key => $metadataValue) { |
| 47 | // If metadata is not a source or is empty then skip |
| 48 | if ( |
| 49 | $metadataValue->getValue() === '' |
| 50 | || $metadataValue->getPath() !== ClassificationSourceMetadataValue::getSourcePath() |
| 51 | ) { |
| 52 | continue; |
| 53 | } |
| 54 | |
| 55 | // If next metadata does not exist then skip |
| 56 | if (! isset($metadataValueCollection[$key + 1])) { |
| 57 | continue; |
| 58 | } |
| 59 | |
| 60 | /** @var MetadataValue $entryMetadata */ |
| 61 | $entryMetadata = $metadataValueCollection[$key + 1]; |
| 62 | |
| 63 | // Handle metadata if it is an entry and is not empty |
| 64 | if ( |
| 65 | $entryMetadata->getPath() === ClassificationEntryMetadataValue::getEntryPath() |
| 66 | && $entryMetadata->getValue() !== '' |
| 67 | ) { |
| 68 | $newValues[$resourceIdentifier][] = new SimpleMetadataValue( |
| 69 | $resourceIdentifier, |
| 70 | [LomMetadata::LOM_NAMESPACE . '#lom', $metadataValue->getValue()], |
| 71 | $entryMetadata->getValue() |
| 72 | ); |
| 73 | } |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | return $newValues; |
| 78 | } |
| 79 | } |