74 lines
2.8 KiB
PHP
74 lines
2.8 KiB
PHP
<?php
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/**
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; under version 2
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* of the License (non-upgradable).
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Copyright (c) 2017 (original work) Open Assessment Technologies SA
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*
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*/
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namespace oat\taoQtiItem\model\qti\metadata\imsManifest\classificationMetadata;
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use oat\taoQtiItem\model\qti\metadata\imsManifest\ImsManifestMetadataExtractor;
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use oat\taoQtiItem\model\qti\metadata\imsManifest\ImsManifestMetadataValue;
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use oat\taoQtiItem\model\qti\metadata\LomMetadata;
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use oat\taoQtiItem\model\qti\metadata\MetadataValue;
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use oat\taoQtiItem\model\qti\metadata\simple\SimpleMetadataValue;
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class GenericLomManifestClassificationExtractor extends ImsManifestMetadataExtractor
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{
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/**
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* @see ImsManifestDataExtractor::extract()
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*
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* @param mixed $manifest
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* @return array
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*/
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public function extract($manifest)
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{
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$values = parent::extract($manifest);
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$newValues = [];
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foreach ($values as $resourceIdentifier => $metadataValueCollection) {
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/** @var ImsManifestMetadataValue $metadataValue */
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foreach ($metadataValueCollection as $key => $metadataValue) {
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// If metadata is not a source or is empty then skip
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if ($metadataValue->getValue() === '' || $metadataValue->getPath() !== ClassificationSourceMetadataValue::getSourcePath()) {
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continue;
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}
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// If next metadata does not exist then skip
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if (! isset($metadataValueCollection[$key + 1])) {
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continue;
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}
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/** @var MetadataValue $entryMetadata */
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$entryMetadata = $metadataValueCollection[$key + 1];
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// Handle metadata if it is an entry and is not empty
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if ($entryMetadata->getPath() === ClassificationEntryMetadataValue::getEntryPath() && $entryMetadata->getValue() !== '') {
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$newValues[$resourceIdentifier][] = new SimpleMetadataValue(
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$resourceIdentifier,
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[LomMetadata::LOM_NAMESPACE . '#lom', $metadataValue->getValue()],
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$entryMetadata->getValue()
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);
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}
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}
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}
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return $newValues;
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}
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}
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