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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 $languageValidator; |
| 24 | private $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 | } |