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| 1 | <?php |
| 2 | declare( strict_types = 1 ); |
| 3 | |
| 4 | namespace MediaWiki\Extension\Translate\TranslatorInterface\Aid; |
| 5 | |
| 6 | use DifferenceEngine; |
| 7 | use MediaWiki\Extension\Translate\MessageGroupProcessing\RevTagStore; |
| 8 | use MediaWiki\Extension\Translate\TranslatorInterface\TranslationHelperException; |
| 9 | use MediaWiki\Extension\Translate\Utilities\Utilities; |
| 10 | use MediaWiki\MediaWikiServices; |
| 11 | use MediaWiki\Revision\SlotRecord; |
| 12 | use MediaWiki\Title\Title; |
| 13 | use Wikimedia\Rdbms\SelectQueryBuilder; |
| 14 | use WikitextContent; |
| 15 | |
| 16 | /** |
| 17 | * Translation aid that provides the message definition. |
| 18 | * This usually matches the content of the page ns:key/source_language. |
| 19 | * @author Niklas Laxström |
| 20 | * @license GPL-2.0-or-later |
| 21 | * @since 2013-01-01 |
| 22 | * @ingroup TranslationAids |
| 23 | */ |
| 24 | class UpdatedDefinitionAid extends TranslationAid { |
| 25 | public function getData(): array { |
| 26 | $db = Utilities::getSafeReadDB(); |
| 27 | |
| 28 | $translationRevision = $db->newSelectQueryBuilder() |
| 29 | ->select( 'rt_value' ) |
| 30 | ->from( 'revtag' ) |
| 31 | ->where( [ |
| 32 | 'rt_page' => $this->handle->getTitle()->getArticleID(), |
| 33 | 'rt_type' => RevTagStore::TRANSVER_PROP, |
| 34 | ] ) |
| 35 | ->orderBy( 'rt_revision', SelectQueryBuilder::SORT_DESC ) |
| 36 | ->caller( __METHOD__ ) |
| 37 | ->fetchField(); |
| 38 | if ( $translationRevision === false ) { |
| 39 | throw new TranslationHelperException( 'No definition revision recorded' ); |
| 40 | } |
| 41 | |
| 42 | $sourceLanguage = $this->group->getSourceLanguage(); |
| 43 | $definitionTitle = Title::makeTitleSafe( |
| 44 | $this->handle->getTitle()->getNamespace(), |
| 45 | $this->handle->getKey() . '/' . $sourceLanguage |
| 46 | ); |
| 47 | |
| 48 | if ( !$definitionTitle || !$definitionTitle->exists() ) { |
| 49 | throw new TranslationHelperException( 'Definition page does not exist' ); |
| 50 | } |
| 51 | |
| 52 | // Using getRevisionById instead of byTitle, because the page might have been renamed |
| 53 | $mwInstance = MediaWikiServices::getInstance(); |
| 54 | $revisionLookup = $mwInstance->getRevisionLookup(); |
| 55 | $oldRevRecord = $revisionLookup->getRevisionById( $translationRevision ); |
| 56 | if ( !$oldRevRecord ) { |
| 57 | throw new TranslationHelperException( 'Old definition version does not exist anymore' ); |
| 58 | } |
| 59 | |
| 60 | // Escaping legacy issue (T330453) |
| 61 | if ( $oldRevRecord->getPageId() !== $definitionTitle->getArticleID() ) { |
| 62 | throw new TranslationHelperException( |
| 63 | 'Translation unit definition id does not match old revision definition id' |
| 64 | ); |
| 65 | } |
| 66 | |
| 67 | $oldContent = $oldRevRecord->getContent( SlotRecord::MAIN ); |
| 68 | $newContent = $this->dataProvider->getDefinitionContent(); |
| 69 | |
| 70 | if ( !$oldContent ) { |
| 71 | throw new TranslationHelperException( 'Old definition version does not exist anymore' ); |
| 72 | } |
| 73 | |
| 74 | if ( !$oldContent instanceof WikitextContent || !$newContent instanceof WikitextContent ) { |
| 75 | throw new TranslationHelperException( 'Can only work on Wikitext content' ); |
| 76 | } |
| 77 | |
| 78 | if ( $oldContent->equals( $newContent ) ) { |
| 79 | throw new TranslationHelperException( 'No changes' ); |
| 80 | } |
| 81 | |
| 82 | $diff = new DifferenceEngine( $this->context ); |
| 83 | $diff->setTextLanguage( |
| 84 | $mwInstance->getLanguageFactory()->getLanguage( $sourceLanguage ) |
| 85 | ); |
| 86 | $diff->setContent( $oldContent, $newContent ); |
| 87 | $diff->setReducedLineNumbers(); |
| 88 | $diff->showDiffStyle(); |
| 89 | |
| 90 | $html = $diff->getDiff( |
| 91 | $this->context->msg( 'tpt-diff-old' )->escaped(), |
| 92 | $this->context->msg( 'tpt-diff-new' )->escaped() |
| 93 | ); |
| 94 | |
| 95 | return [ |
| 96 | 'value_old' => $oldContent->getText(), |
| 97 | 'value_new' => $newContent->getText(), |
| 98 | 'revisionid_old' => $oldRevRecord->getId(), |
| 99 | 'revisionid_new' => $definitionTitle->getLatestRevID(), |
| 100 | 'language' => $this->group->getSourceLanguage(), |
| 101 | 'html' => $html, |
| 102 | ]; |
| 103 | } |
| 104 | } |