mediawiki-extensions-Templa.../includes/TemplateDataHooks.php
James D. Forrester edf85c08e7 Use QUnitTestModule instead of deprecated ResourceLoaderTestModules
Bug: T232875
Change-Id: I5612a9be65f4d4adf4912645856540dbb04d2b34
2020-05-11 19:45:10 +00:00

220 lines
7.7 KiB
PHP

<?php
/**
* Hooks for TemplateData extension
*
* @file
* @ingroup Extensions
*/
class TemplateDataHooks {
/**
* Register parser hooks
* @param Parser &$parser
* @return bool
*/
public static function onParserFirstCallInit( &$parser ) {
$parser->setHook( 'templatedata', [ 'TemplateDataHooks', 'render' ] );
return true;
}
/**
* Conditionally register the jquery.uls.data module, in case they've already been
* registered by the UniversalLanguageSelector extension or the VisualEditor extension.
*
* @param ResourceLoader &$resourceLoader
*/
public static function onResourceLoaderRegisterModules( ResourceLoader &$resourceLoader ) {
$resourceModules = $resourceLoader->getConfig()->get( 'ResourceModules' );
$name = 'jquery.uls.data';
if ( !isset( $resourceModules[$name] ) && !$resourceLoader->isModuleRegistered( $name ) ) {
$resourceLoader->register( [
'jquery.uls.data' => [
'localBasePath' => dirname( __DIR__ ),
'remoteExtPath' => 'TemplateData',
'scripts' => [
'lib/jquery.uls/src/jquery.uls.data.js',
'lib/jquery.uls/src/jquery.uls.data.utils.js',
],
'targets' => [ 'desktop', 'mobile' ],
]
] );
}
}
/**
* @param WikiPage &$page
* @param User &$user
* @param Content &$content
* @param string &$summary
* @param bool $minor
* @param bool|null $watchthis
* @param string $sectionanchor
* @param int &$flags
* @param Status &$status
* @return bool
*/
public static function onPageContentSave( WikiPage &$page, &$user, &$content, &$summary, $minor,
$watchthis, $sectionanchor, &$flags, &$status
) {
// The PageContentSave hook provides raw $text, but not $parser because at this stage
// the page is not actually parsed yet. Which means we can't know whether self::render()
// got a valid tag or not. Looking at $text directly is not a solution either as
// it may not be in the current page (it can be transcluded).
// Since there is no later hook that allows aborting the save and showing an error,
// we will have to trigger the parser ourselves.
// Fortunately this causes no overhead since the below (copied from WikiPage::doEditContent,
// right after this hook is ran) has guards that lazy-init and return early if called again
// later by the real WikiPage.
// Specify format the same way the API and EditPage do to avoid extra parsing
$format = $content->getContentHandler()->getDefaultFormat();
$editInfo = $page->prepareContentForEdit( $content, null, $user, $format );
$templateDataStatus = $editInfo->output->getExtensionData( 'TemplateDataStatus' );
if ( $templateDataStatus instanceof Status && !$templateDataStatus->isOK() ) {
// Abort edit, show error message from TemplateDataBlob::getStatus
$status->merge( $templateDataStatus );
return false;
}
return true;
}
/**
* Parser hook registering the GUI module only in edit pages.
*
* @param EditPage $editPage
* @param OutputPage $output
* @return bool
*/
public static function onEditPage( EditPage $editPage, OutputPage $output ) {
global $wgTemplateDataUseGUI;
if ( $wgTemplateDataUseGUI ) {
if ( $output->getTitle()->inNamespace( NS_TEMPLATE ) ) {
$output->addModules( 'ext.templateDataGenerator.editTemplatePage' );
}
}
return true;
}
/**
* Parser hook for <templatedata>.
* If there is any JSON provided, render the template documentation on the page.
*
* @param string $input The content of the tag.
* @param array $args The attributes of the tag.
* @param Parser $parser Parser instance available to render
* wikitext into html, or parser methods.
* @param PPFrame $frame Can be used to see what template parameters ("{{{1}}}", etc.)
* this hook was used with.
*
* @return string HTML to insert in the page.
*/
public static function render( $input, $args, Parser $parser, $frame ) {
$ti = TemplateDataBlob::newFromJSON( wfGetDB( DB_REPLICA ), $input );
$status = $ti->getStatus();
if ( !$status->isOK() ) {
$parser->getOutput()->setExtensionData( 'TemplateDataStatus', $status );
return '<div class="errorbox">' . $status->getHTML() . '</div>';
}
// Store the blob as page property for retrieval by ApiTemplateData.
// But, don't store it if we're parsing a doc sub page, because:
// - The doc subpage should not appear in ApiTemplateData as a documented
// template itself, which is confusing to users (T54448).
// - The doc subpage should not appear at Special:PagesWithProp.
// - Storing the blob twice in the database is inefficient (T52512).
$title = $parser->getTitle();
$docPage = wfMessage( 'templatedata-doc-subpage' )->inContentLanguage();
if ( !$title->isSubpage() || $title->getSubpageText() !== $docPage->plain() ) {
$parser->getOutput()->setProperty( 'templatedata', $ti->getJSONForDatabase() );
}
$parser->getOutput()->addModuleStyles( [
'ext.templateData',
'ext.templateData.images',
'jquery.tablesorter.styles',
] );
$parser->getOutput()->addModules( 'jquery.tablesorter' );
$parser->getOutput()->setEnableOOUI( true );
$userLang = $parser->getOptions()->getUserLangObj();
// FIXME: this hard-codes default skin, but it is needed because
// ::getHtml() will need a theme singleton to be set.
OutputPage::setupOOUI( 'bogus', $userLang->getDir() );
return $ti->getHtml( $userLang );
}
/**
* Fetch templatedata for an array of titles.
*
* @todo Document this hook
*
* The following questions are yet to be resolved.
* (a) Should we extend functionality to looking up an array of titles instead of one?
* The signature allows for an array of titles to be passed in, but the
* current implementation is not optimized for the multiple-title use case.
* (b) Should this be a lookup service instead of this faux hook?
* This will be resolved separately.
*
* @param array $tplTitles
* @param stdclass[] &$tplData
*/
public static function onParserFetchTemplateData( array $tplTitles, array &$tplData ): void {
$tplData = [];
// This inefficient implementation is currently tuned for
// Parsoid's use case where it requests info for exactly one title.
// For a real batch use case, this code will need an overhaul.
foreach ( $tplTitles as $tplTitle ) {
$title = Title::newFromText( $tplTitle );
if ( !$title ) {
// Invalid title
$tplData[$tplTitle] = null;
continue;
}
if ( $title->isRedirect() ) {
$title = ( new WikiPage( $title ) )->getRedirectTarget();
if ( !$title ) {
// Invalid redirecting title
$tplData[$tplTitle] = null;
continue;
}
}
if ( !$title->exists() ) {
$tplData[$tplTitle] = (object)[ "missing" => true ];
continue;
}
// FIXME: PageProps returns takes titles but returns by page id.
// This means we need to do our own look up and hope it matches.
// Spoiler, sometimes it won't. When that happens, the user won't
// get any templatedata-based interfaces for that template.
// The fallback is to not serve data for that template, which
// the clients have to support anyway, so the impact is minimal.
// It is also expected that such race conditions resolve themselves
// after a few seconds so the old "try again later" should cover this.
$pageId = $title->getArticleID();
$props = PageProps::getInstance()->getProperties( $title, 'templatedata' );
if ( !isset( $props[$pageId] ) ) {
// No templatedata
$tplData[$tplTitle] = (object)[ "notemplatedata" => true ];
continue;
}
$tdb = TemplateDataBlob::newFromDatabase( wfGetDB( DB_REPLICA ), $props[$pageId] );
$status = $tdb->getStatus();
if ( !$status->isOK() ) {
// Invalid data. Parsoid has no use for the error.
$tplData[$tplTitle] = (object)[ "notemplatedata" => true ];
continue;
}
$tplData[$tplTitle] = $tdb->getData();
}
}
}