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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) 2024-2025 (original work) Open Assessment Technologies SA;
19 */
20
21declare(strict_types=1);
22
23namespace oat\taoQtiTest\model\Infrastructure;
24
25use qtism\runtime\common\State;
26use qtism\runtime\tests\AssessmentItemSessionException;
27use qtism\runtime\tests\AssessmentTestSession;
28
29class QtiItemResponseValidator
30{
31    /**
32     * @param AssessmentTestSession $testSession
33     * @param State $responses
34     * @throws AssessmentItemSessionException
35     */
36    public function validate(AssessmentTestSession $testSession, State $responses): void
37    {
38        if ($responses->containsNullOnly()) {
39            return;
40        }
41
42        if ($this->getResponseValidation($testSession)) {
43            $testSession->getCurrentAssessmentItemSession()
44                ->checkResponseValidityConstraints($responses);
45        }
46    }
47
48    private function getResponseValidation(AssessmentTestSession $testSession): bool
49    {
50        return $testSession->getRoute()
51            ->current()
52            ->getItemSessionControl()
53            ->getItemSessionControl()
54            ->mustValidateResponses();
55    }
56}