mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/DiscussionTools
synced 2024-11-29 02:25:44 +00:00
350 lines
11 KiB
PHP
350 lines
11 KiB
PHP
<?php
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/**
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* DiscussionTools extension hooks
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*
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* @file
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* @ingroup Extensions
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* @license MIT
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*/
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namespace MediaWiki\Extension\DiscussionTools;
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use Action;
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use ConfigException;
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use ExtensionRegistry;
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use MediaWiki\MediaWikiServices;
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use MWExceptionHandler;
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use OutputPage;
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use PageProps;
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use RecentChange;
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use RequestContext;
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use Skin;
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use Throwable;
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use Title;
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use User;
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use VisualEditorHooks;
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use WebRequest;
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class Hooks {
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private const TAGS = [
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'discussiontools',
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// Features:
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'discussiontools-reply',
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'discussiontools-edit',
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'discussiontools-newtopic',
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// Input methods:
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'discussiontools-source',
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'discussiontools-visual',
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];
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public static function onRegistration() : void {
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// Use globals instead of Config. Accessing it so early blows up unrelated extensions (T255704).
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global $wgLocaltimezone, $wgFragmentMode;
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// HACK: Do not run these tests on CI as the globals are not configured.
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if ( getenv( 'ZUUL_PROJECT' ) ) {
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return;
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}
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// If $wgLocaltimezone isn't hard-coded, it is evaluated from the system
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// timezone. On some systems this isn't guaranteed to be static, for example
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// on Debian, GMT can get converted to UTC, instead of Europe/London.
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// Timestamp parsing assumes that the timezone never changes.
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if ( !$wgLocaltimezone ) {
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throw new ConfigException( 'DiscussionTools requires $wgLocaltimezone to be set' );
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}
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// If $wgFragmentMode is set to use 'legacy' encoding, determining the IDs of our thread
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// headings is harder, especially since the implementation is different in Parsoid.
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if ( !isset( $wgFragmentMode[0] ) || $wgFragmentMode[0] !== 'html5' ) {
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throw new ConfigException( 'DiscussionTools requires $wgFragmentMode to be set to ' .
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"[ 'html5', 'legacy' ] or [ 'html5' ]" );
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}
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}
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/**
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* Check if the tool is available on a given page
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*
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* @param OutputPage $output
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* @return bool
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*/
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private static function isAvailable( OutputPage $output ) : bool {
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// Don't show on edit pages, history, etc.
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if ( Action::getActionName( $output->getContext() ) !== 'view' ) {
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return false;
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}
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$title = $output->getTitle();
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// Don't show on pages without a Title
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if ( !$title ) {
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return false;
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}
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// Don't show on mobile
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if ( ExtensionRegistry::getInstance()->isLoaded( 'MobileFrontend' ) ) {
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$mobFrontContext = MediaWikiServices::getInstance()->getService( 'MobileFrontend.Context' );
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if ( $mobFrontContext->shouldDisplayMobileView() ) {
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return false;
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}
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}
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return self::isAvailableForTitleAndUser(
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$title,
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$output->getUser(),
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// overrideAllChecks
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// Query parameter override to load on any wikitext page for testing
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$output->getRequest()->getVal( 'dtenable' ) ||
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// Extra hack for parses from API, where this parameter isn't passed to derivative requests
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RequestContext::getMain()->getRequest()->getVal( 'dtenable' ),
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// overrideUserEnabled
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$output->getRequest()->getCookie( 'discussiontools-tempenable' ) ?: false
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);
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}
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/**
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* Check if the tool should be available for a given title and user
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*
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* @param Title $title
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* @param User $user
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* @param bool $overrideAllChecks Override all checks, excluding those which make
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* it technically impossible to load reply links (content model check).
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* @param bool $overrideUserPrefs Override user preference check
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* @return bool
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*/
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private static function isAvailableForTitleAndUser(
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Title $title,
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User $user,
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bool $overrideAllChecks = false,
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bool $overrideUserPrefs = false
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) {
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// Only wikitext pages (e.g. not Flow boards)
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if ( $title->getContentModel() !== CONTENT_MODEL_WIKITEXT ) {
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return false;
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}
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if ( $overrideAllChecks ) {
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return true;
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}
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$services = MediaWikiServices::getInstance();
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$optionsLookup = $services->getUserOptionsLookup();
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$dtConfig = $services->getConfigFactory()->makeConfig( 'discussiontools' );
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$isBeta = $dtConfig->get( 'DiscussionToolsBeta' );
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$userEnabled = $overrideUserPrefs || (
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$dtConfig->get( 'DiscussionToolsEnable' ) && (
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( $isBeta && $optionsLookup->getOption( $user, 'discussiontools-betaenable' ) ) ||
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( !$isBeta && $optionsLookup->getOption( $user, 'discussiontools-replytool' ) )
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)
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);
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$props = PageProps::getInstance()->getProperties( $title, 'newsectionlink' );
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$hasNewSectionLink = isset( $props[ $title->getArticleId() ] );
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// Finally check the user has the tool enabled and that the page
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// supports discussions.
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return $userEnabled && (
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// `wantSignatures` includes talk pages
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$services->getNamespaceInfo()->wantSignatures( $title->getNamespace() ) ||
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// Treat pages with __NEWSECTIONLINK__ as talk pages (T245890)
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$hasNewSectionLink
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// TODO: Consider not loading if forceHideNewSectionLink is true.
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);
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}
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/**
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* Adds DiscussionTools JS to the output.
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*
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* This is attached to the MediaWiki 'BeforePageDisplay' hook.
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*
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* @param OutputPage $output
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* @param Skin $skin The skin that's going to build the UI.
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*/
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public static function onBeforePageDisplay( OutputPage $output, Skin $skin ) : void {
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if ( self::isAvailable( $output ) ) {
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$output->addModuleStyles( [
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'ext.discussionTools.init.styles'
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] );
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$output->addModules( [
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'ext.discussionTools.init'
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] );
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$services = MediaWikiServices::getInstance();
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$optionsLookup = $services->getUserOptionsLookup();
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$req = $output->getRequest();
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$user = $output->getUser();
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$editor = $optionsLookup->getOption( $user, 'discussiontools-editmode' );
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// User has no preferred editor yet
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// If the user has a preferred editor, this will be evaluated in the client
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if ( !$editor ) {
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// Check which editor we would use for articles
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// VE pref is 'visualeditor'/'wikitext'. Here we describe the mode,
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// not the editor, so 'visual'/'source'
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$editor = VisualEditorHooks::getPreferredEditor( $user, $req ) === 'visualeditor' ?
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'visual' : 'source';
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$output->addJsConfigVars(
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'wgDiscussionToolsFallbackEditMode',
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$editor
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);
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}
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}
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}
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/**
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* Set static (not request-specific) JS configuration variables
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*
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* @see https://www.mediawiki.org/wiki/Manual:Hooks/ResourceLoaderGetConfigVars
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* @param array &$vars Array of variables to be added into the output of the startup module
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* @param string $skinName Current skin name to restrict config variables to a certain skin
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*/
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public static function onResourceLoaderGetConfigVars( array &$vars, string $skinName ) : void {
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$dtConfig = MediaWikiServices::getInstance()->getConfigFactory()
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->makeConfig( 'discussiontools' );
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$vars['wgDTSchemaEditAttemptStepSamplingRate'] =
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$dtConfig->get( 'DTSchemaEditAttemptStepSamplingRate' );
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$vars['wgDTSchemaEditAttemptStepOversample'] =
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$dtConfig->get( 'DTSchemaEditAttemptStepOversample' );
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}
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/**
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* OutputPageBeforeHTML hook handler
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* @see https://www.mediawiki.org/wiki/Manual:Hooks/OutputPageBeforeHTML
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*
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* @param OutputPage $output The OutputPage object to which wikitext is added
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* @param string &$text The HTML to be wrapped inside the #mw-content-text element
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* @return bool
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*/
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public static function onOutputPageBeforeHTML( OutputPage $output, string &$text ) : bool {
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// TODO: This is based on the current user, is there an issue with caching?
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if ( !self::isAvailable( $output ) ) {
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return true;
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}
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$start = microtime( true );
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try {
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// Add reply links and hidden data about comment ranges.
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$newText = CommentFormatter::addReplyLinks( $text );
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} catch ( Throwable $e ) {
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// Catch errors, so that they don't cause the entire page to not display.
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// Log it and add the request ID in a comment to make it easier to find in the logs.
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MWExceptionHandler::logException( $e );
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$requestId = htmlspecialchars( WebRequest::getRequestId() );
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$info = "<!-- [$requestId] DiscussionTools could not add reply links on this page -->";
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$text .= "\n" . $info;
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return true;
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}
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$text = $newText;
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$duration = microtime( true ) - $start;
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$stats = MediaWikiServices::getInstance()->getStatsdDataFactory();
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$stats->timing( 'discussiontools.addReplyLinks', $duration * 1000 );
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return true;
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}
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/**
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* Handler for the GetPreferences hook, to add and hide user preferences as configured
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*
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* @param User $user
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* @param array &$preferences
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*/
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public static function onGetPreferences( User $user, array &$preferences ) {
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$services = MediaWikiServices::getInstance();
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$dtConfig = $services->getConfigFactory()->makeConfig( 'discussiontools' );
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if (
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$dtConfig->get( 'DiscussionToolsEnable' ) &&
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!$dtConfig->get( 'DiscussionToolsBeta' )
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) {
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$preferences['discussiontools-replytool'] = [
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'type' => 'toggle',
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'label-message' => 'discussiontools-preference-replytool',
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'help-message' => 'discussiontools-preference-replytool-help',
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'section' => 'editing/discussion',
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];
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}
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$preferences['discussiontools-showadvanced'] = [
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'type' => 'api',
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];
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$preferences['discussiontools-editmode'] = [
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'type' => 'api',
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'validation-callback' => function ( $value ) {
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return in_array( $value, [ '', 'source', 'visual' ], true );
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},
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];
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}
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/**
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* Handler for the GetBetaPreferences hook, to add and hide user beta preferences as configured
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*
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* @param User $user
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* @param array &$preferences
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*/
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public static function onGetBetaPreferences( User $user, array &$preferences ) : void {
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$coreConfig = RequestContext::getMain()->getConfig();
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$iconpath = $coreConfig->get( 'ExtensionAssetsPath' ) . '/DiscussionTools/images';
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$dtConfig = MediaWikiServices::getInstance()->getConfigFactory()
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->makeConfig( 'discussiontools' );
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if (
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$dtConfig->get( 'DiscussionToolsEnable' ) &&
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$dtConfig->get( 'DiscussionToolsBeta' )
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) {
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$preferences['discussiontools-betaenable'] = [
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'version' => '1.0',
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'label-message' => 'discussiontools-preference-label',
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'desc-message' => 'discussiontools-preference-description',
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'screenshot' => [
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'ltr' => "$iconpath/betafeatures-icon-DiscussionTools-ltr.svg",
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'rtl' => "$iconpath/betafeatures-icon-DiscussionTools-rtl.svg",
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],
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'info-message' => 'discussiontools-preference-info-link',
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'discussion-message' => 'discussiontools-preference-discussion-link',
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'requirements' => [
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'javascript' => true
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]
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];
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}
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}
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/**
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* Implements the ListDefinedTags and ChangeTagsListActive hooks, to
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* populate core Special:Tags with the change tags in use by DiscussionTools.
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*
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* @param array &$tags Available change tags.
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*/
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public static function onListDefinedTags( array &$tags ) : void {
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$tags = array_merge( $tags, static::TAGS );
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}
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/**
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* Implements the RecentChange_save hook, to add an allowed set of changetags
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* to edits.
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*
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* @param RecentChange $recentChange
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* @return bool
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*/
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public static function onRecentChangeSave( RecentChange $recentChange ) : bool {
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// only apply to api edits, since there's no case where discussiontools
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// should be using the form-submit method.
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if ( !defined( 'MW_API' ) ) {
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return true;
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}
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$request = RequestContext::getMain()->getRequest();
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$tags = explode( ',', $request->getVal( 'dttags' ) );
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$tags = array_values( array_intersect( $tags, static::TAGS ) );
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if ( $tags ) {
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$recentChange->addTags( $tags );
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}
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return true;
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}
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}
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