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| 1 | <?php |
| 2 | |
| 3 | namespace Wikibase\Lexeme\Domain\Storage; |
| 4 | |
| 5 | use Wikibase\DataModel\Entity\EntityId; |
| 6 | use Wikibase\DataModel\Services\Lookup\EntityLookup; |
| 7 | use Wikibase\DataModel\Services\Lookup\LabelDescriptionLookup; |
| 8 | use Wikibase\DataModel\Term\Term; |
| 9 | use Wikibase\Lexeme\Domain\Model\Lexeme; |
| 10 | use Wikibase\Lexeme\Domain\Model\Sense; |
| 11 | use Wikibase\Lexeme\Domain\Model\SenseId; |
| 12 | use Wikibase\Lib\TermLanguageFallbackChain; |
| 13 | use Wikibase\View\LocalizedTextProvider; |
| 14 | use Wikimedia\Assert\Assert; |
| 15 | |
| 16 | /** |
| 17 | * A {@link LabelDescriptionLookup} for {@link Sense}s |
| 18 | * which returns the lemmas of the sense’s lexeme as the “label” |
| 19 | * and the gloss as the “description”. |
| 20 | * |
| 21 | * @license GPL-2.0-or-later |
| 22 | */ |
| 23 | class SenseLabelDescriptionLookup implements LabelDescriptionLookup { |
| 24 | |
| 25 | /** |
| 26 | * @var EntityLookup |
| 27 | */ |
| 28 | private $entityLookup; |
| 29 | |
| 30 | /** |
| 31 | * @var TermLanguageFallbackChain |
| 32 | */ |
| 33 | private $termLanguageFallbackChain; |
| 34 | |
| 35 | /** |
| 36 | * @var LocalizedTextProvider |
| 37 | */ |
| 38 | private $localizedTextProvider; |
| 39 | |
| 40 | public function __construct( |
| 41 | EntityLookup $entityLookup, |
| 42 | TermLanguageFallbackChain $termLanguageFallbackChain, |
| 43 | LocalizedTextProvider $localizedTextProvider |
| 44 | ) { |
| 45 | $this->entityLookup = $entityLookup; |
| 46 | $this->termLanguageFallbackChain = $termLanguageFallbackChain; |
| 47 | $this->localizedTextProvider = $localizedTextProvider; |
| 48 | } |
| 49 | |
| 50 | /** |
| 51 | * @param SenseId $entityId |
| 52 | * @return Term|null |
| 53 | */ |
| 54 | public function getLabel( EntityId $entityId ) { |
| 55 | Assert::parameterType( SenseId::class, $entityId, '$entityId' ); |
| 56 | $lexemeId = $entityId->getLexemeId(); |
| 57 | |
| 58 | if ( !$this->entityLookup->hasEntity( $lexemeId ) ) { |
| 59 | return null; |
| 60 | } |
| 61 | |
| 62 | /** @var Lexeme $lexeme */ |
| 63 | $lexeme = $this->entityLookup->getEntity( $lexemeId ); |
| 64 | '@phan-var Lexeme $lexeme'; |
| 65 | $lemmas = $lexeme->getLemmas()->toTextArray(); |
| 66 | $separator = $this->localizedTextProvider->get( |
| 67 | 'wikibaselexeme-presentation-lexeme-display-label-separator-multiple-lemma' |
| 68 | ); |
| 69 | |
| 70 | // we have to pretend the result is a single term with a single language code :/ |
| 71 | return new Term( key( $lemmas ), implode( $separator, $lemmas ) ); |
| 72 | } |
| 73 | |
| 74 | /** |
| 75 | * @param SenseId $entityId |
| 76 | * @return Term|null |
| 77 | */ |
| 78 | public function getDescription( EntityId $entityId ) { |
| 79 | Assert::parameterType( SenseId::class, $entityId, '$entityId' ); |
| 80 | |
| 81 | if ( !$this->entityLookup->hasEntity( $entityId ) ) { |
| 82 | return null; |
| 83 | } |
| 84 | |
| 85 | /** @var Sense $sense */ |
| 86 | $sense = $this->entityLookup->getEntity( $entityId ); |
| 87 | '@phan-var Sense $sense'; |
| 88 | $glosses = $sense->getGlosses()->toTextArray(); |
| 89 | |
| 90 | $value = $this->termLanguageFallbackChain->extractPreferredValue( $glosses ); |
| 91 | if ( $value === null ) { |
| 92 | return null; |
| 93 | } |
| 94 | return new Term( $value['language'], $value['value'] ); |
| 95 | } |
| 96 | |
| 97 | } |