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5
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) 2022 (original work) Open Assessment Technologies SA.
19 */
20
21declare(strict_types=1);
22
23namespace oat\tao\model\StatisticalMetadata\Import\Extractor;
24
25use core_kernel_classes_Property;
26use core_kernel_classes_Resource;
27use oat\tao\model\StatisticalMetadata\Import\Exception\AbstractValidationException;
28use oat\tao\model\StatisticalMetadata\Import\Exception\AggregatedValidationException;
29use oat\tao\model\StatisticalMetadata\Import\Validator\ResourceMetadataRelationValidator;
30
31class MetadataValuesExtractor
32{
33    /** @var MetadataHeadersExtractor */
34    private $metadataHeadersExtractor;
35
36    /** @var ResourceMetadataRelationValidator */
37    private $resourceMetadataRelationValidator;
38
39    public function __construct(
40        MetadataHeadersExtractor $metadataHeadersExtractor,
41        ResourceMetadataRelationValidator $resourceMetadataRelationValidator
42    ) {
43        $this->metadataHeadersExtractor = $metadataHeadersExtractor;
44        $this->resourceMetadataRelationValidator = $resourceMetadataRelationValidator;
45    }
46
47    /**
48     * @param core_kernel_classes_Property[] $metadataProperties
49     */
50    public function extract(array $record, core_kernel_classes_Resource $resource, array $metadataProperties): array
51    {
52        $values = [];
53        $exceptions = [];
54        $metadataHeaders = $this->metadataHeadersExtractor->extract(array_keys($record));
55
56        foreach ($metadataHeaders as $metadataHeader) {
57            $value = trim($record[$metadataHeader]);
58
59            if ($value !== '') {
60                try {
61                    $metadataProperty = $metadataProperties[$metadataHeader];
62                    $this->resourceMetadataRelationValidator->validate($resource, $metadataProperty);
63                    $values[$metadataProperty->getUri()] = $value;
64                } catch (AbstractValidationException $exception) {
65                    $exceptions[] = $exception->setColumn($metadataHeader);
66                }
67            }
68        }
69
70        if (!empty($exceptions)) {
71            throw new AggregatedValidationException($exceptions, []);
72        }
73
74        return $values;
75    }
76}