mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/TemplateData
synced 2024-11-27 17:20:01 +00:00
8bd3dbc58c
The use of "HookHandlers" attribute in extension.json makes it possible to inject services into hook handler classes in a future patch. Bug: T271031 Depends-On: Ic2d188d2c332ab8afeb5454fb5a956c8ba5670ae Change-Id: Idf4cf94a0e4fae31a5c1f6c3dbf319c0d6913cd7
343 lines
12 KiB
PHP
343 lines
12 KiB
PHP
<?php
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// phpcs:disable MediaWiki.NamingConventions.LowerCamelFunctionsName.FunctionName
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namespace MediaWiki\Extension\TemplateData;
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use CommentStoreComment;
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use ExtensionRegistry;
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use Html;
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use MediaWiki\EditPage\EditPage;
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use MediaWiki\Extension\EventLogging\EventLogging;
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use MediaWiki\Hook\EditPage__showEditForm_fieldsHook;
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use MediaWiki\Hook\EditPage__showEditForm_initialHook;
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use MediaWiki\Hook\OutputPageBeforeHTMLHook;
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use MediaWiki\Hook\ParserFetchTemplateDataHook;
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use MediaWiki\Hook\ParserFirstCallInitHook;
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use MediaWiki\MediaWikiServices;
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use MediaWiki\ResourceLoader\Hook\ResourceLoaderRegisterModulesHook;
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use MediaWiki\Revision\RenderedRevision;
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use MediaWiki\Revision\RevisionRecord;
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use MediaWiki\Revision\SlotRecord;
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use MediaWiki\Storage\Hook\MultiContentSaveHook;
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use MediaWiki\User\UserIdentity;
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use OutputPage;
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use Parser;
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use PPFrame;
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use RequestContext;
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use ResourceLoader;
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use Status;
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use Title;
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/**
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* Hooks for TemplateData extension
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*
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* @file
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* @ingroup Extensions
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*/
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class Hooks implements
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EditPage__showEditForm_fieldsHook,
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ParserFirstCallInitHook,
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MultiContentSaveHook,
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ResourceLoaderRegisterModulesHook,
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EditPage__showEditForm_initialHook,
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ParserFetchTemplateDataHook,
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OutputPageBeforeHTMLHook
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{
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/**
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* @param EditPage $editPage
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* @param OutputPage $out
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*/
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public function onEditPage__showEditForm_fields( $editPage, $out ) {
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// TODO: Remove when not needed any more, see T267926
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if ( $out->getRequest()->getBool( 'TemplateDataGeneratorUsed' ) ) {
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// Recreate the dynamically created field after the user clicked "preview"
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$out->addHTML( Html::hidden( 'TemplateDataGeneratorUsed', true ) );
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}
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}
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/**
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* Register parser hooks
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* @param Parser $parser
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*/
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public function onParserFirstCallInit( $parser ) {
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$parser->setHook( 'templatedata', [ __CLASS__, 'render' ] );
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}
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/**
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* Conditionally register the jquery.uls.data module, in case they've already been
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* registered by the UniversalLanguageSelector extension or the VisualEditor extension.
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*
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* @param ResourceLoader $resourceLoader
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*/
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public function onResourceLoaderRegisterModules( ResourceLoader $resourceLoader ): void {
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$resourceModules = $resourceLoader->getConfig()->get( 'ResourceModules' );
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$name = 'jquery.uls.data';
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if ( !isset( $resourceModules[$name] ) && !$resourceLoader->isModuleRegistered( $name ) ) {
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$resourceLoader->register( [
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'jquery.uls.data' => [
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'localBasePath' => dirname( __DIR__ ),
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'remoteExtPath' => 'TemplateData',
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'scripts' => [
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'lib/jquery.uls/src/jquery.uls.data.js',
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'lib/jquery.uls/src/jquery.uls.data.utils.js',
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],
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'targets' => [ 'desktop', 'mobile' ],
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]
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] );
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}
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}
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/**
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* @param RenderedRevision $renderedRevision
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* @param UserIdentity $user
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* @param CommentStoreComment $summary
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* @param int $flags
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* @param Status $hookStatus
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* @return bool
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*/
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public function onMultiContentSave(
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$renderedRevision, $user, $summary, $flags, $hookStatus
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) {
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$revisionRecord = $renderedRevision->getRevision();
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$contentModel = $revisionRecord
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->getContent( SlotRecord::MAIN )
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->getModel();
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if ( $contentModel !== CONTENT_MODEL_WIKITEXT ) {
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return true;
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}
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// Revision hasn't been parsed yet, so parse to know if self::render got a
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// valid tag (via inclusion and transclusion) and abort save if it didn't
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$parserOutput = $renderedRevision->getRevisionParserOutput( [ 'generate-html' => false ] );
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$status = TemplateDataStatus::newFromJson( $parserOutput->getExtensionData( 'TemplateDataStatus' ) );
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if ( $status && !$status->isOK() ) {
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// Abort edit, show error message from TemplateDataBlob::getStatus
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$hookStatus->merge( $status );
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return false;
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}
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// TODO: Remove when not needed any more, see T267926
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self::logChangeEvent( $revisionRecord, $parserOutput->getPageProperty( 'templatedata' ), $user );
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return true;
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}
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/**
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* @param RevisionRecord $revisionRecord
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* @param ?string $newPageProperty
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* @param UserIdentity $user
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*/
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private static function logChangeEvent(
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RevisionRecord $revisionRecord,
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?string $newPageProperty,
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UserIdentity $user
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) {
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if ( !ExtensionRegistry::getInstance()->isLoaded( 'EventLogging' ) ) {
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return;
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}
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$services = MediaWikiServices::getInstance();
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$page = $revisionRecord->getPage();
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$props = $services->getPageProps()->getProperties( $page, 'templatedata' );
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$pageId = $page->getId();
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// The JSON strings here are guaranteed to be normalized (and possibly compressed) the same
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// way. No need to normalize them again for this comparison.
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if ( $newPageProperty === ( $props[$pageId] ?? null ) ) {
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return;
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}
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$generatorUsed = RequestContext::getMain()->getRequest()->getBool( 'TemplateDataGeneratorUsed' );
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$userEditCount = $services->getUserEditTracker()->getUserEditCount( $user );
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$userId = $services->getUserIdentityUtils()->isTemp( $user ) ? 0 : $user->getId();
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// Note: We know that irrelevant changes (e.g. whitespace changes) aren't logged here
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EventLogging::submit(
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'eventlogging_TemplateDataEditor',
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[
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'$schema' => '/analytics/legacy/templatedataeditor/1.0.0',
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'event' => [
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// Note: The "Done" button is disabled unless something changed, which means it's
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// very likely (but not guaranteed) the generator was used to make the changes
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'action' => $generatorUsed ? 'save-tag-edit-generator-used' : 'save-tag-edit-no-generator',
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'page_id' => $pageId,
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'page_namespace' => $page->getNamespace(),
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'page_title' => $page->getDBkey(),
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'rev_id' => $revisionRecord->getId() ?? 0,
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'user_edit_count' => $userEditCount ?? 0,
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'user_id' => $userId,
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],
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]
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);
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}
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/**
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* Parser hook registering the GUI module only in edit pages.
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*
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* @param EditPage $editPage
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* @param OutputPage $output
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*/
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public function onEditPage__showEditForm_initial( $editPage, $output ) {
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global $wgTemplateDataUseGUI;
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if ( $wgTemplateDataUseGUI ) {
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if ( $output->getTitle()->inNamespace( NS_TEMPLATE ) ) {
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$output->addModuleStyles( 'ext.templateDataGenerator.editTemplatePage.loading' );
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$output->addHTML( '<div class="tdg-editscreen-placeholder"></div>' );
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$output->addModules( 'ext.templateDataGenerator.editTemplatePage' );
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}
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}
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}
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/**
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* Parser hook for <templatedata>.
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* If there is any JSON provided, render the template documentation on the page.
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*
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* @param string|null $input The content of the tag.
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* @param array $args The attributes of the tag.
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* @param Parser $parser Parser instance available to render
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* wikitext into html, or parser methods.
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* @param PPFrame $frame Can be used to see what template parameters ("{{{1}}}", etc.)
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* this hook was used with.
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*
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* @return string HTML to insert in the page.
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*/
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public static function render( $input, $args, Parser $parser, $frame ) {
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$parserOutput = $parser->getOutput();
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$ti = TemplateDataBlob::newFromJSON( wfGetDB( DB_REPLICA ), $input ?? '' );
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$status = $ti->getStatus();
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if ( !$status->isOK() ) {
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$parserOutput->setExtensionData( 'TemplateDataStatus', TemplateDataStatus::jsonSerialize( $status ) );
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return Html::errorBox( $status->getHTML() );
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}
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// Store the blob as page property for retrieval by ApiTemplateData.
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// But, don't store it if we're parsing a doc sub page, because:
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// - The doc subpage should not appear in ApiTemplateData as a documented
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// template itself, which is confusing to users (T54448).
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// - The doc subpage should not appear at Special:PagesWithProp.
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// - Storing the blob twice in the database is inefficient (T52512).
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$title = $parser->getTitle();
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$docPage = wfMessage( 'templatedata-doc-subpage' )->inContentLanguage();
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if ( !$title->isSubpage() || $title->getSubpageText() !== $docPage->plain() ) {
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$parserOutput->setPageProperty( 'templatedata', $ti->getJSONForDatabase() );
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}
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$parserOutput->addModuleStyles( [
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'ext.templateData',
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'ext.templateData.images',
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'jquery.tablesorter.styles',
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] );
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$parserOutput->addModules( [ 'jquery.tablesorter' ] );
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$parserOutput->setEnableOOUI( true );
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$userLang = $parser->getOptions()->getUserLangObj();
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// FIXME: this hard-codes default skin, but it is needed because
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// ::getHtml() will need a theme singleton to be set.
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OutputPage::setupOOUI( 'bogus', $userLang->getDir() );
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$localizer = new TemplateDataMessageLocalizer( $userLang );
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$formatter = new TemplateDataHtmlFormatter( $localizer, $userLang->getCode() );
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return $formatter->getHtml( $ti, $frame->getTitle(), !$parser->getOptions()->getIsPreview() );
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}
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/**
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* @see https://www.mediawiki.org/wiki/Manual:Hooks/OutputPageBeforeHTML
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*
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* @param OutputPage $output
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* @param string &$text
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*/
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public function onOutputPageBeforeHTML( $output, &$text ) {
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$services = MediaWikiServices::getInstance();
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$props = $services->getPageProps()->getProperties( $output->getTitle(), 'templatedata' );
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if ( !empty( $props ) ) {
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$lang = $output->getLanguage();
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$localizer = new TemplateDataMessageLocalizer( $lang );
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$formatter = new TemplateDataHtmlFormatter( $localizer, $lang->getCode() );
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$formatter->replaceEditLink( $text );
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}
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}
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/**
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* Fetch templatedata for an array of titles.
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*
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* @todo Document this hook
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*
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* The following questions are yet to be resolved.
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* (a) Should we extend functionality to looking up an array of titles instead of one?
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* The signature allows for an array of titles to be passed in, but the
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* current implementation is not optimized for the multiple-title use case.
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* (b) Should this be a lookup service instead of this faux hook?
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* This will be resolved separately.
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*
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* @param array $tplTitles
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* @param \stdClass[] &$tplData
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* @return bool
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*/
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public function onParserFetchTemplateData( array $tplTitles, array &$tplData ): bool {
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$tplData = [];
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$pageProps = MediaWikiServices::getInstance()->getPageProps();
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$wikiPageFactory = MediaWikiServices::getInstance()->getWikiPageFactory();
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// This inefficient implementation is currently tuned for
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// Parsoid's use case where it requests info for exactly one title.
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// For a real batch use case, this code will need an overhaul.
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foreach ( $tplTitles as $tplTitle ) {
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$title = Title::newFromText( $tplTitle );
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if ( !$title ) {
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// Invalid title
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$tplData[$tplTitle] = null;
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continue;
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}
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if ( $title->isRedirect() ) {
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$title = $wikiPageFactory->newFromTitle( $title )->getRedirectTarget();
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if ( !$title ) {
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// Invalid redirecting title
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$tplData[$tplTitle] = null;
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continue;
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}
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}
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if ( !$title->exists() ) {
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$tplData[$tplTitle] = (object)[ "missing" => true ];
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continue;
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}
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// FIXME: PageProps returns takes titles but returns by page id.
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// This means we need to do our own look up and hope it matches.
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// Spoiler, sometimes it won't. When that happens, the user won't
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// get any templatedata-based interfaces for that template.
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// The fallback is to not serve data for that template, which
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// the clients have to support anyway, so the impact is minimal.
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// It is also expected that such race conditions resolve themselves
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// after a few seconds so the old "try again later" should cover this.
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$pageId = $title->getArticleID();
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$props = $pageProps->getProperties( $title, 'templatedata' );
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if ( !isset( $props[$pageId] ) ) {
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// No templatedata
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$tplData[$tplTitle] = (object)[ "notemplatedata" => true ];
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continue;
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}
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$tdb = TemplateDataBlob::newFromDatabase( wfGetDB( DB_REPLICA ), $props[$pageId] );
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$status = $tdb->getStatus();
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if ( !$status->isOK() ) {
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// Invalid data. Parsoid has no use for the error.
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$tplData[$tplTitle] = (object)[ "notemplatedata" => true ];
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continue;
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}
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$tplData[$tplTitle] = $tdb->getData();
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}
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return true;
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}
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}
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