mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/TemplateData
synced 2024-11-27 17:20:01 +00:00
0f4d04e83f
EventLogging::logEvent() was marked as deprecated at the beginning of 2021 in I0cfd07295d4b51ca4805c79a28a9a4bd64ff7cc9. Bug: T318263 Change-Id: I2d89784cc249e97954c9be05169f3060fd69945f
290 lines
8.4 KiB
PHP
290 lines
8.4 KiB
PHP
<?php
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/**
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* Implement the 'templatedata' query module in the API.
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* Format JSON only.
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*
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* @file
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*/
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namespace MediaWiki\Extension\TemplateData\Api;
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use ApiBase;
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use ApiContinuationManager;
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use ApiFormatBase;
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use ApiPageSet;
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use ApiResult;
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use ExtensionRegistry;
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use MediaWiki\Extension\EventLogging\EventLogging;
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use MediaWiki\Extension\TemplateData\TemplateDataBlob;
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use MediaWiki\MediaWikiServices;
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use TextContent;
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use Wikimedia\ParamValidator\ParamValidator;
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/**
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* @ingroup API
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* @emits error.code templatedata-corrupt
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* @todo Support continuation (see I1a6e51cd)
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*/
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class ApiTemplateData extends ApiBase {
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/**
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* @var ApiPageSet|null
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*/
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private $mPageSet = null;
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/**
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* For backwards compatibility, this module needs to output format=json when
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* no format is specified.
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* @return ApiFormatBase|null
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*/
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public function getCustomPrinter() {
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if ( $this->getMain()->getVal( 'format' ) === null ) {
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$this->addDeprecation(
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'apiwarn-templatedata-deprecation-format', 'action=templatedata&!format'
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);
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return $this->getMain()->createPrinterByName( 'json' );
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}
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return null;
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}
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/**
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* @return ApiPageSet
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*/
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private function getPageSet(): ApiPageSet {
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if ( $this->mPageSet === null ) {
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$this->mPageSet = new ApiPageSet( $this );
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}
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return $this->mPageSet;
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}
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/**
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* @inheritDoc
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*/
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public function execute() {
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$services = MediaWikiServices::getInstance();
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$params = $this->extractRequestParams();
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$result = $this->getResult();
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$continuationManager = new ApiContinuationManager( $this, [], [] );
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$this->setContinuationManager( $continuationManager );
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if ( $params['lang'] === null ) {
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$langCode = false;
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} elseif ( !$services->getLanguageNameUtils()->isValidCode( $params['lang'] ) ) {
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$this->dieWithError( [ 'apierror-invalidlang', 'lang' ] );
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} else {
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$langCode = $params['lang'];
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}
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$pageSet = $this->getPageSet();
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$pageSet->execute();
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$titles = $pageSet->getGoodTitles(); // page_id => Title object
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$missingTitles = $pageSet->getMissingTitles(); // page_id => Title object
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$includeMissingTitles = $this->getParameter( 'includeMissingTitles' );
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$doNotIgnoreMissingTitles = $this->getParameter( 'doNotIgnoreMissingTitles' );
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if ( $doNotIgnoreMissingTitles ) {
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$includeMissingTitles = $doNotIgnoreMissingTitles;
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}
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if ( !$titles && ( !$includeMissingTitles || !$missingTitles ) ) {
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$result->addValue( null, 'pages', (object)[] );
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$this->setContinuationManager();
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$continuationManager->setContinuationIntoResult( $this->getResult() );
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return;
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}
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$resp = [];
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if ( $includeMissingTitles ) {
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foreach ( $missingTitles as $missingTitleId => $missingTitle ) {
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$resp[ $missingTitleId ] = [ 'title' => $missingTitle, 'missing' => true ];
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}
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foreach ( $titles as $titleId => $title ) {
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$resp[ $titleId ] = [ 'title' => $title, 'notemplatedata' => true ];
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}
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}
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if ( $titles ) {
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$db = $this->getDB();
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$res = $db->newSelectQueryBuilder()
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->from( 'page_props' )
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->fields( [ 'pp_page', 'pp_value' ] )
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->where( [
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'pp_page' => array_keys( $titles ),
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'pp_propname' => 'templatedata'
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] )
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->orderBy( 'pp_page' )
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->caller( __METHOD__ )
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->fetchResultSet();
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foreach ( $res as $row ) {
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$rawData = $row->pp_value;
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$tdb = TemplateDataBlob::newFromDatabase( $db, $rawData );
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$status = $tdb->getStatus();
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if ( !$status->isOK() ) {
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$this->dieWithError(
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[ 'apierror-templatedata-corrupt', intval( $row->pp_page ), $status->getMessage() ]
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);
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}
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if ( $langCode !== false ) {
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$data = $tdb->getDataInLanguage( $langCode );
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} else {
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$data = $tdb->getData();
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}
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// HACK: don't let ApiResult's formatversion=1 compatibility layer mangle our booleans
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// to empty strings / absent properties
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foreach ( $data->params as $param ) {
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$param->{ApiResult::META_BC_BOOLS} = [ 'required', 'suggested', 'deprecated' ];
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}
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$data->params->{ApiResult::META_TYPE} = 'kvp';
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$data->params->{ApiResult::META_KVP_KEY_NAME} = 'key';
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$data->params->{ApiResult::META_INDEXED_TAG_NAME} = 'param';
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if ( isset( $data->paramOrder ) ) {
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ApiResult::setIndexedTagName( $data->paramOrder, 'p' );
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}
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if ( $includeMissingTitles ) {
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unset( $resp[$row->pp_page]['notemplatedata'] );
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} else {
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$resp[ $row->pp_page ] = [ 'title' => $titles[ $row->pp_page ] ];
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}
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$resp[$row->pp_page] += (array)$data;
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}
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}
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$wikiPageFactory = $services->getWikiPageFactory();
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// Now go through all the titles again, and attempt to extract parameter names from the
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// wikitext for templates with no templatedata.
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if ( $includeMissingTitles ) {
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foreach ( $resp as $pageId => $pageInfo ) {
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if ( !isset( $pageInfo['notemplatedata'] ) ) {
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// Ignore pages that already have templatedata or that don't exist.
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continue;
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}
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$content = $wikiPageFactory->newFromTitle( $pageInfo['title'] )->getContent();
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$text = $content instanceof TextContent
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? $content->getText()
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: $content->getTextForSearchIndex();
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$resp[$pageId]['params'] = $this->getRawParams( $text );
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}
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}
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// TODO tracking will only be implemented temporarily to answer questions on
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// template usage for the Technical Wishes topic area see T258917
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if ( ExtensionRegistry::getInstance()->isLoaded( 'EventLogging' ) ) {
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foreach ( $resp as $pageInfo ) {
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EventLogging::submit(
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'eventlogging_TemplateDataApi',
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[
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'$schema' => '/analytics/legacy/templatedataapi/1.0.0',
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'event' => [
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'template_name' => $wikiPageFactory->newFromTitle( $pageInfo['title'] )
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->getTitle()->getDBkey(),
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'has_template_data' => !isset( $pageInfo['notemplatedata'] ),
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],
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]
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);
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}
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}
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$pageSet->populateGeneratorData( $resp );
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ApiResult::setArrayType( $resp, 'kvp', 'id' );
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ApiResult::setIndexedTagName( $resp, 'page' );
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// Set top level element
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$result->addValue( null, 'pages', (object)$resp );
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$values = $pageSet->getNormalizedTitlesAsResult();
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if ( $values ) {
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$result->addValue( null, 'normalized', $values );
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}
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$redirects = $pageSet->getRedirectTitlesAsResult();
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if ( $redirects ) {
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$result->addValue( null, 'redirects', $redirects );
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}
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$this->setContinuationManager();
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$continuationManager->setContinuationIntoResult( $this->getResult() );
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}
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/**
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* Get parameter descriptions from raw wikitext (used for templates that have no templatedata).
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* @param string $wikitext The text to extract parameters from.
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* @return array[] Parameter info in the same format as the templatedata 'params' key.
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*/
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private function getRawParams( string $wikitext ): array {
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// Ignore non-wikitext content in comments and wikitext-escaping tags
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$wikitext = preg_replace( '/<!--.*?-->/s', '', $wikitext );
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$wikitext = preg_replace( '/<nowiki\s*>.*?<\/nowiki\s*>/s', '', $wikitext );
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$wikitext = preg_replace( '/<pre\s*>.*?<\/pre\s*>/s', '', $wikitext );
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// This regex matches the one in ext.TemplateDataGenerator.sourceHandler.js
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if ( !preg_match_all( '/{{{+([^\n#={|}]*?)([<|]|}}})/m', $wikitext, $rawParams ) ) {
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return [];
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}
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$params = [];
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$normalizedParams = [];
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foreach ( $rawParams[1] as $rawParam ) {
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// This normalization process is repeated in JS in ext.TemplateDataGenerator.sourceHandler.js
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$normalizedParam = strtolower( trim( preg_replace( '/[-_ ]+/', ' ', $rawParam ) ) );
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if ( !$normalizedParam || in_array( $normalizedParam, $normalizedParams ) ) {
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// This or a similarly-named parameter has already been found.
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continue;
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}
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$normalizedParams[] = $normalizedParam;
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$params[ trim( $rawParam ) ] = [];
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}
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return $params;
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}
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/**
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* @inheritDoc
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*/
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public function getAllowedParams( $flags = 0 ) {
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$result = [
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'includeMissingTitles' => [
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ParamValidator::PARAM_TYPE => 'boolean',
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],
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'doNotIgnoreMissingTitles' => [
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ParamValidator::PARAM_TYPE => 'boolean',
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ParamValidator::PARAM_DEPRECATED => true,
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],
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'lang' => [
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ParamValidator::PARAM_TYPE => 'string',
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],
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];
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if ( $flags ) {
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$result += $this->getPageSet()->getFinalParams( $flags );
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}
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return $result;
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}
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/**
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* @inheritDoc
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*/
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protected function getExamplesMessages() {
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return [
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'action=templatedata&titles=Template:Foobar&includeMissingTitles=1'
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=> 'apihelp-templatedata-example-1',
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'action=templatedata&titles=Template:Phabricator'
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=> 'apihelp-templatedata-example-2',
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];
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}
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/**
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* @inheritDoc
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*/
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public function getHelpUrls() {
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return 'https://www.mediawiki.org/wiki/Special:MyLanguage/Extension:TemplateData';
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}
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}
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