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| 1 | <?php |
| 2 | declare( strict_types = 1 ); |
| 3 | |
| 4 | namespace MediaWiki\Extension\Translate\TranslatorInterface\Aid; |
| 5 | |
| 6 | use MediaWiki\Extension\Translate\TranslatorInterface\TranslationHelperException; |
| 7 | use MediaWiki\Extension\Translate\WebService\TranslationWebService; |
| 8 | use MediaWiki\Extension\Translate\WebService\TranslationWebServiceConfigurationException; |
| 9 | |
| 10 | /** |
| 11 | * Translation aid that provides suggestion from machine translation services. |
| 12 | * @author Niklas Laxström |
| 13 | * @license GPL-2.0-or-later |
| 14 | * @since 2013-01-01 | 2015.02 extends QueryAggregatorAwareTranslationAid |
| 15 | * @ingroup TranslationAids |
| 16 | */ |
| 17 | class MachineTranslationAid extends QueryAggregatorAwareTranslationAid { |
| 18 | public function populateQueries(): void { |
| 19 | $definition = $this->dataProvider->getDefinition(); |
| 20 | $translations = $this->dataProvider->getGoodTranslations(); |
| 21 | $sourceLanguage = $this->group->getSourceLanguage(); |
| 22 | $targetLanguage = $this->handle->getCode(); |
| 23 | |
| 24 | if ( trim( $definition ) === '' ) { |
| 25 | return; |
| 26 | } |
| 27 | |
| 28 | foreach ( $this->getWebServices() as $service ) { |
| 29 | if ( $service->checkTranslationServiceFailure() ) { |
| 30 | continue; |
| 31 | } |
| 32 | |
| 33 | try { |
| 34 | if ( $service->isSupportedLanguagePair( $sourceLanguage, $targetLanguage ) ) { |
| 35 | $this->storeQuery( $service, $sourceLanguage, $targetLanguage, $definition ); |
| 36 | continue; |
| 37 | } |
| 38 | |
| 39 | // Search for translations which we can use as a source for MT |
| 40 | // @todo: Support setting priority of languages like Yandex used to have |
| 41 | foreach ( $translations as $alternateSourceLanguage => $text ) { |
| 42 | if ( !$service->isSupportedLanguagePair( $alternateSourceLanguage, $targetLanguage ) ) { |
| 43 | continue; |
| 44 | } |
| 45 | |
| 46 | $this->storeQuery( $service, $alternateSourceLanguage, $targetLanguage, $text ); |
| 47 | break; |
| 48 | } |
| 49 | } catch ( TranslationWebServiceConfigurationException $e ) { |
| 50 | throw new TranslationHelperException( $service->getName() . ': ' . $e->getMessage() ); |
| 51 | } |
| 52 | } |
| 53 | } |
| 54 | |
| 55 | public function getData(): array { |
| 56 | $suggestions = [ '**' => 'suggestion' ]; |
| 57 | |
| 58 | foreach ( $this->getQueryData() as $queryData ) { |
| 59 | $suggestions[] = $this->formatSuggestion( $queryData ); |
| 60 | } |
| 61 | |
| 62 | return array_filter( $suggestions ); |
| 63 | } |
| 64 | |
| 65 | protected function formatSuggestion( array $queryData ): ?array { |
| 66 | $service = $queryData['service']; |
| 67 | $response = $queryData['response']; |
| 68 | $sourceLanguage = $queryData['language']; |
| 69 | $sourceText = $queryData['text']; |
| 70 | |
| 71 | $result = $service->getResultData( $response ); |
| 72 | if ( $result === null ) { |
| 73 | return null; |
| 74 | } |
| 75 | |
| 76 | return [ |
| 77 | 'target' => $result, |
| 78 | 'service' => $service->getName(), |
| 79 | 'source_language' => $sourceLanguage, |
| 80 | 'source' => $sourceText, |
| 81 | ]; |
| 82 | } |
| 83 | |
| 84 | /** @return TranslationWebService[] */ |
| 85 | private function getWebServices(): array { |
| 86 | global $wgTranslateTranslationServices; |
| 87 | |
| 88 | $services = []; |
| 89 | foreach ( $wgTranslateTranslationServices as $name => $config ) { |
| 90 | $service = TranslationWebService::factory( $name, $config ); |
| 91 | if ( !$service || $service->getType() !== 'mt' ) { |
| 92 | continue; |
| 93 | } |
| 94 | |
| 95 | $services[$name] = $service; |
| 96 | } |
| 97 | |
| 98 | return $services; |
| 99 | } |
| 100 | } |