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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\taoQtiItem\model\qti\parser; |
| 24 | |
| 25 | use DOMXPath; |
| 26 | use oat\tao\model\featureFlag\FeatureFlagChecker; |
| 27 | use oat\tao\model\IdentifierGenerator\Generator\IdentifierGeneratorInterface; |
| 28 | use oat\taoQtiItem\helpers\QtiXmlLoader; |
| 29 | |
| 30 | class UniqueNumericQtiIdentifierReplacer |
| 31 | { |
| 32 | private FeatureFlagChecker $featureFlagChecker; |
| 33 | private QtiXmlLoader $qtiXmlLoader; |
| 34 | private IdentifierGeneratorInterface $identifierGenerator; |
| 35 | |
| 36 | public function __construct( |
| 37 | FeatureFlagChecker $featureFlagChecker, |
| 38 | QtiXmlLoader $qtiXmlLoader, |
| 39 | IdentifierGeneratorInterface $identifierGenerator |
| 40 | ) { |
| 41 | $this->featureFlagChecker = $featureFlagChecker; |
| 42 | $this->qtiXmlLoader = $qtiXmlLoader; |
| 43 | $this->identifierGenerator = $identifierGenerator; |
| 44 | } |
| 45 | public function replace(string $qti): string |
| 46 | { |
| 47 | if (!$this->featureFlagChecker->isEnabled('FEATURE_FLAG_UNIQUE_NUMERIC_QTI_IDENTIFIER')) { |
| 48 | return $qti; |
| 49 | } |
| 50 | $doc = $this->qtiXmlLoader->load($qti); |
| 51 | |
| 52 | $xpath = new DOMXpath($doc); |
| 53 | $xpath->registerNamespace('qti', 'http://www.imsglobal.org/xsd/imsqti_v2p2'); |
| 54 | $identifierNodes = $xpath->query('//qti:assessmentItem/@identifier'); |
| 55 | |
| 56 | foreach ($identifierNodes as $identifierNode) { |
| 57 | $identifierNode->nodeValue = $this->identifierGenerator->generate(); |
| 58 | } |
| 59 | |
| 60 | return $doc->saveXML(); |
| 61 | } |
| 62 | } |