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1 | <?php |
2 | |
3 | namespace Wikibase\Lexeme\Presentation\ChangeOp\Deserialization; |
4 | |
5 | use InvalidArgumentException; |
6 | use ValueValidators\ValueValidator; |
7 | use Wikibase\DataModel\Entity\ItemId; |
8 | use Wikibase\Lexeme\DataAccess\ChangeOp\ChangeOpLanguage; |
9 | use Wikibase\Lib\StringNormalizer; |
10 | use Wikibase\Repo\ChangeOp\ChangeOp; |
11 | use Wikibase\Repo\ChangeOp\ChangeOpDeserializer; |
12 | use Wikibase\Repo\ChangeOp\Deserialization\ChangeOpDeserializationException; |
13 | |
14 | /** |
15 | * Deserializer for language change request data. |
16 | * |
17 | * @see docs/change-op-serialization.wiki for a description of the serialization format. |
18 | * |
19 | * @license GPL-2.0-or-later |
20 | */ |
21 | class LanguageChangeOpDeserializer implements ChangeOpDeserializer { |
22 | |
23 | private ValueValidator $languageValidator; |
24 | private StringNormalizer $stringNormalizer; |
25 | |
26 | public function __construct( |
27 | ValueValidator $languageValidator, |
28 | StringNormalizer $stringNormalizer |
29 | ) { |
30 | $this->languageValidator = $languageValidator; |
31 | $this->stringNormalizer = $stringNormalizer; |
32 | } |
33 | |
34 | /** |
35 | * @see ChangeOpDeserializer::createEntityChangeOp |
36 | * |
37 | * @param array $changeRequest |
38 | * |
39 | * @throws ChangeOpDeserializationException |
40 | * @return ChangeOp |
41 | */ |
42 | public function createEntityChangeOp( array $changeRequest ) { |
43 | if ( !array_key_exists( 'language', $changeRequest ) |
44 | || !is_string( $changeRequest['language'] ) |
45 | ) { |
46 | throw new ChangeOpDeserializationException( |
47 | 'language must be a string', |
48 | 'invalid-language' |
49 | ); |
50 | } |
51 | |
52 | $value = $this->stringNormalizer->cleanupToNFC( $changeRequest['language'] ); |
53 | |
54 | $itemId = $this->validateItemId( $value ); |
55 | // TODO: maybe move creating ChangeOpLanguage instance to some kind of factory? |
56 | return new ChangeOpLanguage( $itemId, $this->languageValidator ); |
57 | } |
58 | |
59 | /** |
60 | * @param string $idSerialization |
61 | * |
62 | * @return ItemId |
63 | * @throws ChangeOpDeserializationException |
64 | */ |
65 | private function validateItemId( $idSerialization ) { |
66 | try { |
67 | return new ItemId( $idSerialization ); |
68 | } catch ( InvalidArgumentException $e ) { |
69 | throw new ChangeOpDeserializationException( |
70 | 'Item id can not be parsed', |
71 | 'invalid-item-id' |
72 | ); |
73 | } |
74 | } |
75 | |
76 | } |