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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\Content\WikitextContent; |
| 8 | use MediaWiki\Extension\Translate\Services; |
| 9 | use MediaWiki\Extension\Translate\TranslatorInterface\TranslationHelperException; |
| 10 | use MediaWiki\Extension\Translate\Utilities\Utilities; |
| 11 | use MediaWiki\MediaWikiServices; |
| 12 | use MediaWiki\Revision\MutableRevisionRecord; |
| 13 | use MediaWiki\Revision\SlotRecord; |
| 14 | use MediaWiki\Title\Title; |
| 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 | $revTagStore = Services::getInstance()->getRevTagStore(); |
| 29 | |
| 30 | $translationRevision = $revTagStore->getTransver( $this->handle->getTitle() ); |
| 31 | if ( $translationRevision === null ) { |
| 32 | throw new TranslationHelperException( 'No definition revision recorded' ); |
| 33 | } |
| 34 | |
| 35 | $sourceLanguage = $this->group->getSourceLanguage(); |
| 36 | $definitionTitle = Title::makeTitleSafe( |
| 37 | $this->handle->getTitle()->getNamespace(), |
| 38 | $this->handle->getKey() . '/' . $sourceLanguage |
| 39 | ); |
| 40 | |
| 41 | if ( !$definitionTitle || !$definitionTitle->exists() ) { |
| 42 | throw new TranslationHelperException( 'Definition page does not exist' ); |
| 43 | } |
| 44 | |
| 45 | // Using getRevisionById instead of byTitle, because the page might have been renamed |
| 46 | $mwInstance = MediaWikiServices::getInstance(); |
| 47 | $revisionLookup = $mwInstance->getRevisionLookup(); |
| 48 | $oldRevRecord = $revisionLookup->getRevisionById( $translationRevision ); |
| 49 | if ( !$oldRevRecord ) { |
| 50 | throw new TranslationHelperException( 'Old definition version does not exist anymore' ); |
| 51 | } |
| 52 | |
| 53 | // Escaping legacy issue (T330453) |
| 54 | if ( $oldRevRecord->getPageId() !== $definitionTitle->getArticleID() ) { |
| 55 | throw new TranslationHelperException( |
| 56 | 'Translation unit definition id does not match old revision definition id' |
| 57 | ); |
| 58 | } |
| 59 | |
| 60 | $oldContent = $oldRevRecord->getContent( SlotRecord::MAIN ); |
| 61 | $newContent = $this->dataProvider->getDefinitionContent(); |
| 62 | |
| 63 | if ( !$oldContent ) { |
| 64 | throw new TranslationHelperException( 'Old definition version does not exist anymore' ); |
| 65 | } |
| 66 | |
| 67 | if ( !$oldContent instanceof WikitextContent || !$newContent instanceof WikitextContent ) { |
| 68 | throw new TranslationHelperException( 'Can only work on Wikitext content' ); |
| 69 | } |
| 70 | |
| 71 | if ( $oldContent->equals( $newContent ) ) { |
| 72 | throw new TranslationHelperException( 'No changes' ); |
| 73 | } |
| 74 | |
| 75 | $newRevRecord = new MutableRevisionRecord( $definitionTitle ); |
| 76 | $newRevRecord->setContent( SlotRecord::MAIN, $newContent ); |
| 77 | |
| 78 | $diff = new DifferenceEngine( $this->context ); |
| 79 | $diff->setTextLanguage( $mwInstance->getLanguageFactory()->getLanguage( $sourceLanguage ) ); |
| 80 | $diff->setRevisions( $oldRevRecord, $newRevRecord ); |
| 81 | $diff->setReducedLineNumbers(); |
| 82 | $diff->showDiffStyle(); |
| 83 | |
| 84 | $html = $diff->getDiff( |
| 85 | $this->context->msg( 'tpt-diff-old' )->escaped(), |
| 86 | $this->context->msg( 'tpt-diff-new' )->escaped() |
| 87 | ); |
| 88 | |
| 89 | return [ |
| 90 | 'value_old' => $oldContent->getText(), |
| 91 | 'value_new' => $newContent->getText(), |
| 92 | 'revisionid_old' => $oldRevRecord->getId(), |
| 93 | 'revisionid_new' => $definitionTitle->getLatestRevID(), |
| 94 | 'language' => $this->group->getSourceLanguage(), |
| 95 | 'html' => $html, |
| 96 | ]; |
| 97 | } |
| 98 | } |