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| 1 | <?php |
| 2 | /** |
| 3 | * WikiLambda Abstract content page trait for edit and create pages. |
| 4 | * |
| 5 | * @file |
| 6 | * @ingroup Extensions |
| 7 | * @copyright 2020– Abstract Wikipedia team; see AUTHORS.txt |
| 8 | * @license MIT |
| 9 | */ |
| 10 | |
| 11 | namespace MediaWiki\Extension\WikiLambda\AbstractContent; |
| 12 | |
| 13 | use MediaWiki\Context\IContextSource; |
| 14 | use MediaWiki\Extension\WikiLambda\UIUtils; |
| 15 | use MediaWiki\Html\Html; |
| 16 | use MediaWiki\MediaWikiServices; |
| 17 | use MediaWiki\Output\OutputPage; |
| 18 | use MediaWiki\Page\Article; |
| 19 | use MediaWiki\Title\Title; |
| 20 | |
| 21 | trait AbstractContentEditPageTrait { |
| 22 | |
| 23 | /** |
| 24 | * Generate the Abstract Wiki content payload for edit and creation pages. |
| 25 | * Pass content payload through js config vars. |
| 26 | * |
| 27 | * @param IContextSource $context |
| 28 | * @param OutputPage $output |
| 29 | * @param Title $title |
| 30 | */ |
| 31 | public function generateAbstractContentPayload( |
| 32 | IContextSource $context, |
| 33 | OutputPage $output, |
| 34 | Title $title |
| 35 | ): void { |
| 36 | // Get user language |
| 37 | // TODO: find a way to get the language zid for the user |
| 38 | // lang code and pass it to the app via JS config vars. |
| 39 | $userLang = $context->getLanguage(); |
| 40 | $userLangCode = $userLang->getCode(); |
| 41 | |
| 42 | $createNewPage = true; |
| 43 | $jsonContent = false; |
| 44 | |
| 45 | // Get oldid, if any, from the url parameter 'oldid' |
| 46 | $targetRevisionId = $context->getRequest()->getInt( 'oldid' ) ?: null; |
| 47 | |
| 48 | if ( $title->exists() ) { |
| 49 | // Content exists: retrieve given or latest revision |
| 50 | $createNewPage = false; |
| 51 | $jsonContent = $this->getAbstractContentForTitle( $title, $targetRevisionId ); |
| 52 | // FIXME if jsonContent is false, then title and oldid don't match |
| 53 | } else { |
| 54 | // Content does not exist: generate empty content object |
| 55 | $contentHandler = MediaWikiServices::getInstance() |
| 56 | ->getContentHandlerFactory() |
| 57 | ->getContentHandler( CONTENT_MODEL_ABSTRACT ); |
| 58 | '@phan-var \MediaWiki\Extension\WikiLambda\AbstractContent\AbstractWikiContentHandler $contentHandler'; |
| 59 | $jsonContent = $contentHandler->makeEmptyContent()->getText(); |
| 60 | } |
| 61 | |
| 62 | // (T364318) Add the revision navigation bar if seeing an oldid |
| 63 | if ( $targetRevisionId !== null ) { |
| 64 | $output->setRevisionId( $targetRevisionId ); |
| 65 | $article = Article::newFromTitle( $title, $context ); |
| 66 | $article->setOldSubtitle( $targetRevisionId ); |
| 67 | } |
| 68 | |
| 69 | // Fallback no-JS notice. |
| 70 | $noJsMsg = $context->msg( 'wikilambda-nojs' )->inLanguage( $userLang )->parse(); |
| 71 | $output->addHtml( Html::rawElement( 'noscript', [], $noJsMsg ) ); |
| 72 | |
| 73 | // Vue app element with Codex progress indicator |
| 74 | $loadingMessage = $context->msg( 'wikilambda-loading' )->inLanguage( $userLang )->text(); |
| 75 | $progressIndicator = UIUtils::createCodexProgressIndicator( $loadingMessage ); |
| 76 | $output->addHtml( Html::rawElement( 'div', [ 'id' => 'ext-wikilambda-app' ], $progressIndicator ) ); |
| 77 | |
| 78 | // Set up config variables |
| 79 | $configVars = [ |
| 80 | 'abstractContent' => true, |
| 81 | 'content' => $jsonContent, |
| 82 | 'createNewPage' => $createNewPage, |
| 83 | 'title' => $title->getText(), |
| 84 | 'zlang' => $userLangCode, |
| 85 | 'viewmode' => false |
| 86 | ]; |
| 87 | $output->addJsConfigVars( 'wgWikiLambda', $configVars ); |
| 88 | } |
| 89 | |
| 90 | /** |
| 91 | * Return the AbstractWikiContent JSON encoded as a string |
| 92 | * |
| 93 | * @param Title $title |
| 94 | * @param int|null $revisionId |
| 95 | * @return string|bool |
| 96 | */ |
| 97 | private function getAbstractContentForTitle( Title $title, ?int $revisionId ) { |
| 98 | // TODO inject revision store |
| 99 | $revisionStore = MediaWikiServices::getInstance()->getRevisionStore(); |
| 100 | if ( $revisionId ) { |
| 101 | $revision = $revisionStore->getRevisionByTitle( $title, $revisionId, 0 ); |
| 102 | } else { |
| 103 | $revision = $revisionStore->getKnownCurrentRevision( $title ); |
| 104 | } |
| 105 | |
| 106 | if ( !$revision ) { |
| 107 | return false; |
| 108 | } |
| 109 | |
| 110 | // Check content model |
| 111 | $contentModel = $revision->getMainContentModel(); |
| 112 | if ( $contentModel !== CONTENT_MODEL_ABSTRACT ) { |
| 113 | return false; |
| 114 | } |
| 115 | |
| 116 | $content = $revision->getMainContentRaw(); |
| 117 | '@phan-var AbstractWikiContent $content'; |
| 118 | return $content->getText(); |
| 119 | } |
| 120 | } |