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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
21declare(strict_types=1);
22
23namespace oat\taoQtiItem\model\Export\Qti3Package;
24
25use common_ext_ExtensionException;
26use common_ext_ExtensionsManager;
27use DOMDocument;
28use DOMException;
29use Exception;
30use oat\taoQtiItem\model\Export\QTIPackedItemExporter;
31use tao_helpers_Display as Display;
32use taoItems_models_classes_TemplateRenderer as TemplateRenderer;
33
34class Exporter extends QTIPackedItemExporter
35{
36    private const QTI_SCHEMA_NAMESPACE = 'http://www.imsglobal.org/xsd/imsqtiasi_v3p0';
37    private const XML_SCHEMA_INSTANCE = 'http://www.w3.org/2001/XMLSchema-instance';
38    private const XSI_SCHEMA_LOCATION = 'http://www.imsglobal.org/xsd/imsqtiasi_v3p0';
39    // phpcs:ignore Generic.Files.LineLength.TooLong
40    private const XSI_SCHEMA_LOCATION_XSD = 'https://purl.imsglobal.org/spec/qti/v3p0/schema/xsd/imsqti_asiv3p0_v1p0.xsd';
41    private const IMSMANIFEST_QTI_30_TEMPLATE_PATH = 'model/qti/templates/imsmanifestQti30.tpl.php';
42
43    private ?TransformationService $transformationService = null;
44
45    /**
46     * @throws common_ext_ExtensionException
47     * @throws Exception
48     */
49    protected function renderManifest(array $options, array $qtiItemData): DOMDocument
50    {
51        $tpl = common_ext_ExtensionsManager::singleton()->getExtensionById('taoQtiItem')->getDir()
52            . self::IMSMANIFEST_QTI_30_TEMPLATE_PATH;
53
54        $templateRenderer = new TemplateRenderer(
55            $tpl,
56            [
57                'qtiItems' => [$qtiItemData],
58                'manifestIdentifier' => 'MANIFEST-' .
59                    Display::textCleaner(uniqid('tao', true), '-')
60            ]
61        );
62
63        $newManifest = new DOMDocument('1.0', TAO_DEFAULT_ENCODING);
64        $newManifest->loadXML($templateRenderer->render());
65
66        return $newManifest;
67    }
68
69    public function getQTIVersion(): string
70    {
71        return '3p0';
72    }
73
74
75    /**
76     * @throws DOMException
77     */
78    protected function itemContentPostProcessing($content): string
79    {
80        $transformationService = $this->getTransformationService();
81        $dom = new DOMDocument('1.0', 'UTF-8');
82        $dom->loadXML($content);
83
84        $newDom = new DOMDocument('1.0', 'UTF-8');
85        $newDom->preserveWhiteSpace = false;
86        $newDom->formatOutput = true;
87
88        $oldRoot = $dom->documentElement;
89        $newRoot = $newDom->createElement($transformationService->createQtiElementName($oldRoot->nodeName));
90
91        //QTI3 namespace
92        $newRoot->setAttribute('xmlns', self::QTI_SCHEMA_NAMESPACE);
93        $newRoot->setAttribute('xmlns:xsi', self::XML_SCHEMA_INSTANCE);
94        $newRoot->setAttribute(
95            'xsi:schemaLocation',
96            sprintf('%s %s', self::XSI_SCHEMA_LOCATION, self::XSI_SCHEMA_LOCATION_XSD)
97        );
98
99        $transformationService->transformAttributes($oldRoot, $newRoot);
100
101        $newDom->appendChild($newRoot);
102
103        $transformationService->transformChildren($oldRoot, $newRoot, $newDom);
104
105        return $newDom->saveXML();
106    }
107
108    public function setTransformationService(TransformationService $service): void
109    {
110        $this->transformationService = $service;
111    }
112
113    public function getTransformationService(): TransformationService
114    {
115        return $this->transformationService;
116    }
117}