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| 1 | <?php |
| 2 | |
| 3 | namespace Wikibase\Search\Elastic; |
| 4 | |
| 5 | use CirrusSearch\CirrusDebugOptions; |
| 6 | use CirrusSearch\Search\SearchContext; |
| 7 | use MediaWiki\Context\RequestContext; |
| 8 | use Wikibase\DataModel\Entity\EntityIdParser; |
| 9 | use Wikibase\Lib\Interactors\TermSearchResult; |
| 10 | use Wikibase\Lib\LanguageFallbackChainFactory; |
| 11 | use Wikibase\Repo\Api\EntitySearchException; |
| 12 | use Wikibase\Search\Elastic\Query\InLabelQuery; |
| 13 | |
| 14 | /** |
| 15 | * @license GPL-2.0-or-later |
| 16 | */ |
| 17 | class InLabelSearch { |
| 18 | |
| 19 | private LanguageFallbackChainFactory $languageChainFactory; |
| 20 | |
| 21 | private EntityIdParser $idParser; |
| 22 | private array $contentModelMap; |
| 23 | private CirrusDebugOptions $debugOptions; |
| 24 | private array $stemmingSettings; |
| 25 | |
| 26 | public function __construct( |
| 27 | LanguageFallbackChainFactory $languageChainFactory, |
| 28 | EntityIdParser $idParser, |
| 29 | array $contentModelMap, |
| 30 | CirrusDebugOptions $debugOptions, |
| 31 | array $stemmingSettings |
| 32 | ) { |
| 33 | $this->languageChainFactory = $languageChainFactory; |
| 34 | $this->idParser = $idParser; |
| 35 | $this->contentModelMap = $contentModelMap; |
| 36 | $this->debugOptions = $debugOptions; |
| 37 | $this->stemmingSettings = $stemmingSettings; |
| 38 | } |
| 39 | |
| 40 | /** |
| 41 | * @return TermSearchResult[] |
| 42 | * |
| 43 | * @throws EntitySearchException |
| 44 | */ |
| 45 | public function search( |
| 46 | string $searchTerm, |
| 47 | string $languageCode, |
| 48 | string $entityType, |
| 49 | int $limit, |
| 50 | int $offset = 0 |
| 51 | ): array { |
| 52 | $searcher = new WikibaseEntitySearcher( |
| 53 | $offset, |
| 54 | $limit, |
| 55 | 'wikibase_in_label', |
| 56 | 'wikibase-in-label', |
| 57 | $this->debugOptions |
| 58 | ); |
| 59 | $searcher->getSearchContext()->setProfileContext( |
| 60 | EntitySearchElastic::CONTEXT_WIKIBASE_IN_LABEL, |
| 61 | [ 'language' => $languageCode ] ); |
| 62 | $query = $this->getElasticSearchQuery( $searchTerm, $languageCode, $entityType, $searcher->getSearchContext() ); |
| 63 | |
| 64 | $searcher->setResultsType( new EntityElasticTermResult( |
| 65 | $this->idParser, |
| 66 | $query->getSearchLanguageCodes(), |
| 67 | 'plain', |
| 68 | $this->languageChainFactory->newFromLanguageCode( $languageCode ) |
| 69 | ) ); |
| 70 | |
| 71 | $result = $searcher->performSearch( $query ); |
| 72 | |
| 73 | if ( $result->isOK() ) { |
| 74 | $result = $result->getValue(); |
| 75 | } else { |
| 76 | throw new EntitySearchException( $result ); |
| 77 | } |
| 78 | |
| 79 | if ( $searcher->isReturnRaw() ) { |
| 80 | $searcher->processRawReturn( $result, RequestContext::getMain()->getRequest() ); |
| 81 | } |
| 82 | |
| 83 | return $result; |
| 84 | } |
| 85 | |
| 86 | private function getElasticSearchQuery( |
| 87 | string $text, |
| 88 | string $languageCode, |
| 89 | string $entityType, |
| 90 | SearchContext $context |
| 91 | ): InLabelQuery { |
| 92 | $context->setOriginalSearchTerm( $text ); |
| 93 | $profile = InLabelQuery::loadProfile( |
| 94 | $context->getConfig()->getProfileService(), |
| 95 | $this->languageChainFactory, |
| 96 | EntitySearchElastic::WIKIBASE_IN_LABEL_QUERY_BUILDER, |
| 97 | $context->getProfileContext(), |
| 98 | $context->getProfileContextParams(), |
| 99 | $languageCode |
| 100 | ); |
| 101 | return InLabelQuery::build( |
| 102 | $text, |
| 103 | $profile, |
| 104 | $this->contentModelMap[$entityType], |
| 105 | $languageCode, |
| 106 | EntitySearchUtils::entityIdParserNormalizer( $this->idParser ), |
| 107 | $this->stemmingSettings |
| 108 | ); |
| 109 | } |
| 110 | |
| 111 | } |