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1
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) 2020 (original work) Open Assessment Technologies SA (under the project TAO-PRODUCT);
19 */
20
21declare(strict_types=1);
22
23namespace oat\taoQtiItem\model\qti\event;
24
25use core_kernel_classes_Resource;
26use oat\oatbox\event\EventManager;
27use oat\oatbox\service\ConfigurableService;
28use oat\taoItems\model\event\ItemUpdatedEvent;
29use oat\taoQtiItem\model\qti\Img;
30use oat\taoQtiItem\model\qti\Item;
31use oat\taoQtiItem\model\qti\parser\ElementReferencesExtractor;
32use oat\taoQtiItem\model\qti\QtiObject;
33use oat\taoQtiItem\model\qti\XInclude;
34
35class UpdatedItemEventDispatcher extends ConfigurableService
36{
37    private const INCLUDE_ELEMENT_REFERENCES_KEY = 'includeElementReferences';
38    private const OBJECT_ELEMENT_REFERENCES_KEY = 'objectElementReferences';
39    private const IMG_ELEMENT_REFERENCES_KEY = 'imgElementReferences';
40
41    public function dispatch(Item $qtiItem, core_kernel_classes_Resource $rdfItem): void
42    {
43        $extractor = $this->getElementReferencesExtractor();
44
45        $data = [
46            self::INCLUDE_ELEMENT_REFERENCES_KEY => $extractor->extract($qtiItem, XInclude::class, 'href'),
47            self::OBJECT_ELEMENT_REFERENCES_KEY => $extractor->extract($qtiItem, QtiObject::class, 'data'),
48            self::IMG_ELEMENT_REFERENCES_KEY => $extractor->extract($qtiItem, Img::class, 'src'),
49        ];
50
51        $this->getEventManager()
52            ->trigger(new ItemUpdatedEvent($rdfItem->getUri(), $data));
53    }
54
55    private function getEventManager(): EventManager
56    {
57        return $this->getServiceLocator()->get(EventManager::SERVICE_ID);
58    }
59
60    private function getElementReferencesExtractor(): ElementReferencesExtractor
61    {
62        return $this->getServiceLocator()->get(ElementReferencesExtractor::class);
63    }
64}