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1<?php
2
3namespace Wikibase\Lexeme\DataAccess\ChangeOp;
4
5use InvalidArgumentException;
6use ValueValidators\Result;
7use Wikibase\DataModel\Entity\EntityDocument;
8use Wikibase\Lexeme\DataAccess\ChangeOp\Validation\LemmaTermValidator;
9use Wikibase\Lexeme\Domain\Model\Lexeme;
10use Wikibase\Lib\Summary;
11use Wikibase\Repo\ChangeOp\ChangeOpBase;
12use Wikibase\Repo\ChangeOp\DummyChangeOpResult;
13use Wikimedia\Assert\Assert;
14
15/**
16 * @license GPL-2.0-or-later
17 */
18class ChangeOpLemmaEdit extends ChangeOpBase {
19
20    private const SUMMARY_ACTION_ADD = 'add';
21    private const SUMMARY_ACTION_UPDATE = 'set';
22
23    /**
24     * @var string
25     */
26    private $language;
27
28    /**
29     * @var string
30     */
31    private $lemma;
32
33    /**
34     * @var LemmaTermValidator
35     */
36    private $lemmaTermValidator;
37
38    /**
39     * @param string $language
40     * @param string $lemma
41     * @param LemmaTermValidator $lemmaTermValidator
42     *
43     * @throws InvalidArgumentException
44     */
45    public function __construct( $language, $lemma, LemmaTermValidator $lemmaTermValidator ) {
46        Assert::parameterType( 'string', $language, '$language' );
47        Assert::parameterType( 'string', $lemma, '$lemma' );
48
49        $this->language = $language;
50        $this->lemma = $lemma;
51        $this->lemmaTermValidator = $lemmaTermValidator;
52    }
53
54    /**
55     * @param EntityDocument $entity
56     *
57     * @return Result
58     * @throws InvalidArgumentException
59     */
60    public function validate( EntityDocument $entity ) {
61        Assert::parameterType( Lexeme::class, $entity, '$entity' );
62
63        return $this->lemmaTermValidator->validate( $this->lemma );
64    }
65
66    /**
67     * @param EntityDocument $entity
68     * @param Summary|null $summary
69     *
70     * @throws InvalidArgumentException
71     */
72    public function apply( EntityDocument $entity, ?Summary $summary = null ) {
73        Assert::parameterType( Lexeme::class, $entity, '$entity' );
74        '@phan-var Lexeme $entity';
75
76        /** @var Lexeme $entity */
77        $lemmas = $entity->getLemmas();
78
79        $this->updateSummary(
80            $summary,
81            $lemmas->hasTermForLanguage( $this->language ) ?
82                self::SUMMARY_ACTION_UPDATE :
83                self::SUMMARY_ACTION_ADD,
84            $this->language,
85            $this->lemma
86        );
87        $lemmas->setTextForLanguage( $this->language, $this->lemma );
88
89        return new DummyChangeOpResult();
90    }
91
92}