mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/DiscussionTools
synced 2024-12-01 03:26:28 +00:00
556 lines
18 KiB
PHP
556 lines
18 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 Article;
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use ConfigException;
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use ExtensionRegistry;
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use Language;
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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 Parser;
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use ParserOptions;
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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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private const REPLY_LINKS_COMMENT = '<!-- DiscussionTools addReplyLinks called -->';
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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 a DiscussionTools feature is available to this user
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*
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* @param User $user
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* @param string|null $feature Feature to check for: 'replytool' or 'newtopictool'.
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* Null will check for any DT feature.
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* @return bool
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*/
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private static function isFeatureAvailableToUser( User $user, ?string $feature = null ) : bool {
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$services = MediaWikiServices::getInstance();
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$dtConfig = $services->getConfigFactory()->makeConfig( 'discussiontools' );
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if ( !$dtConfig->get( 'DiscussionToolsEnable' ) ) {
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return false;
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}
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$optionsLookup = $services->getUserOptionsLookup();
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// Feature-specific override
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if ( $feature ) {
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if ( $dtConfig->get( 'DiscussionTools_' . $feature ) !== 'default' ) {
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// Feature setting can be 'available' or 'unavailable', overriding any BetaFeatures settings
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return $dtConfig->get( 'DiscussionTools_' . $feature ) === 'available';
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}
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} else {
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// Non-feature-specific override
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if (
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$dtConfig->get( 'DiscussionTools_replytool' ) === 'available' ||
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$dtConfig->get( 'DiscussionTools_newtopictool' ) === 'available'
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) {
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return true;
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}
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}
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// No feature-specific override found.
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if ( $dtConfig->get( 'DiscussionToolsBeta' ) ) {
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$betaenabled = $optionsLookup->getOption( $user, 'discussiontools-betaenable', -1 );
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if ( $betaenabled !== -1 ) {
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// betaenable doesn't have a default value, so we can check
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// for it being unset like this. If the user has explicitly
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// enabled or disabled it, we should immediatly return that.
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return $betaenabled;
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}
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// Otherwise, being in the "test" group for this feature means
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// it's effectively beta-enabled.
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return self::determineUserABTestBucket( $user, $feature ) === 'test';
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}
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// Assume that if BetaFeature is turned off, or user has it enabled, that
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// some features are available.
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// If this isn't the case, then DiscussionToolsEnable should have been set to false.
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return true;
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}
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/**
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* Check if a DiscussionTools feature is enabled by this user
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*
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* @param User $user
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* @param string|null $feature Feature to check for: 'replytool' or 'newtopictool'.
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* Null will check for any DT feature.
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* @return bool
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*/
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private static function isFeatureEnabledForUser( User $user, ?string $feature = null ) : bool {
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$services = MediaWikiServices::getInstance();
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$optionsLookup = $services->getUserOptionsLookup();
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return static::isFeatureAvailableToUser( $user, $feature ) && (
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// Check for a specific feature
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( $feature && $optionsLookup->getOption( $user, 'discussiontools-' . $feature ) ) ||
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// Check for any feature
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( !$feature && (
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$optionsLookup->getOption( $user, 'discussiontools-newtopictool' ) ||
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$optionsLookup->getOption( $user, 'discussiontools-replytool' )
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) )
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);
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}
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/**
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* Work out the A/B test bucket for the current user
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*
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* Checks whether the A/B test is enabled and whether the user is enrolled
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* in it; if they're eligible and not enrolled, it will enroll them.
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*
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* @param User $user
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* @param string|null $feature Feature to check for: 'replytool' or 'newtopictool'.
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* Null will check for any DT feature.
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* @return string 'test' if in the test group, 'control' if in the control group, or '' if they've
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* never been in the test
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*/
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private static function determineUserABTestBucket( $user, $feature = null ) : string {
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$services = MediaWikiServices::getInstance();
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$optionsManager = $services->getUserOptionsManager();
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$dtConfig = $services->getConfigFactory()->makeConfig( 'discussiontools' );
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$abtest = $dtConfig->get( 'DiscussionToolsABTest' );
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if (
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!$user->isAnon() &&
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( $abtest == 'all' || ( !$feature && $abtest ) || ( $feature && $abtest == $feature ) )
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) {
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// The A/B test is enabled, and the user is qualified to be in the
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// test by being logged in.
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$abstate = $optionsManager->getOption( $user, 'discussiontools-abtest' );
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if ( !$abstate && $optionsManager->getOption( $user, 'discussiontools-editmode' ) === '' ) {
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// Assign the user to a group. This is only being done to
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// users who have never used the tool before, for which we're
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// using the presence of discussiontools-editmode as a proxy,
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// as it should be set as soon as the user interacts with the tool.
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$abstate = $user->getId() % 2 == 0 ? 'test' : 'control';
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$optionsManager->setOption( $user, 'discussiontools-abtest', $abstate );
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$optionsManager->saveOptions( $user );
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}
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return $abstate;
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}
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return '';
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}
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/**
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* Check if the tools are available for a given title
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*
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* @param Title $title
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* @return bool
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*/
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private static function isAvailableForTitle( Title $title ) : bool {
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// Only wikitext pages (e.g. not Flow boards)
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if ( $title->getContentModel() !== CONTENT_MODEL_WIKITEXT ) {
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return false;
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}
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$services = MediaWikiServices::getInstance();
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$dtConfig = $services->getConfigFactory()->makeConfig( 'discussiontools' );
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$props = PageProps::getInstance()->getProperties( $title, 'newsectionlink' );
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$hasNewSectionLink = isset( $props[ $title->getArticleId() ] );
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// Check that the page supports discussions.
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// Treat pages with __NEWSECTIONLINK__ as talk pages (T245890)
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return $hasNewSectionLink ||
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// `wantSignatures` includes talk pages
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$services->getNamespaceInfo()->wantSignatures( $title->getNamespace() );
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// TODO: Consider not loading if forceHideNewSectionLink is true.
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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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* @param string|null $feature Feature to check for: 'replytool' or 'newtopictool'.
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* Null will check for any DT feature.
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* @return bool
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*/
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private static function isFeatureEnabledForOutput( OutputPage $output, ?string $feature = null ) : 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 ( $mobFrontContext->shouldDisplayMobileView() ) {
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return false;
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}
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}
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// ?dtenable=1 overrides all user and title checks
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if (
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$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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) {
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return true;
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}
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return static::isAvailableForTitle( $title ) && (
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static::isFeatureEnabledForUser( $output->getUser(), $feature ) ||
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// The cookie hack allows users to enable all features when they are not
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// yet available on the wiki
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$output->getRequest()->getCookie( 'discussiontools-tempenable' ) ?: false
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);
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}
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/**
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* 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 $skin ) : void {
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$user = $output->getUser();
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// Load modules if any DT feature is enabled for this user
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if ( static::isFeatureEnabledForOutput( $output ) ) {
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$output->addModuleStyles( [
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'ext.discussionTools.init.styles'
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] );
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$output->addModules( [
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'ext.discussionTools.init'
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] );
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$output->addJsConfigVars(
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'wgDiscussionToolsFeaturesEnabled',
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[
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'replytool' => static::isFeatureEnabledForOutput( $output, 'replytool' ),
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'newtopictool' => static::isFeatureEnabledForOutput( $output, 'newtopictool' ),
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]
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);
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$services = MediaWikiServices::getInstance();
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$optionsLookup = $services->getUserOptionsLookup();
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$req = $output->getRequest();
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$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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$editor
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);
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}
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$dtConfig = $services->getConfigFactory()->makeConfig( 'discussiontools' );
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$abstate = $dtConfig->get( 'DiscussionToolsABTest' ) ?
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$optionsLookup->getOption( $user, 'discussiontools-abtest' ) :
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false;
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if ( $abstate ) {
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$output->addJsConfigVars(
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'wgDiscussionToolsABTestBucket',
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$abstate
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);
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}
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}
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}
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/**
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* Set static (not request-specific) JS configuration variables
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*
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* @see https://www.mediawiki.org/wiki/Manual:Hooks/ResourceLoaderGetConfigVars
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* @param array &$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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* @see https://www.mediawiki.org/wiki/Manual:Hooks/ParserAfterTidy
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*
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* @param Parser $parser
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* @param string &$text
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*/
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public static function onParserAfterTidy( Parser $parser, string &$text ) : void {
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$popts = $parser->getOptions();
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// ParserOption for dtreply was set in onArticleParserOptions
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if ( $popts->getOption( 'dtreply' ) ) {
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static::addReplyLinks( $text, $popts->getUserLangObj() );
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}
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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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// Check after the parser cache if reply links need to be added for
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// non-cacheable reasons i.e. query string or cookie
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// The addReplyLinks method is responsible for ensuring that
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// reply links aren't added twice.
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if ( static::isFeatureEnabledForOutput( $output, 'replytool' ) ) {
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static::addReplyLinks( $text, $output->getLanguage() );
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}
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return true;
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}
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/**
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* Add reply links to some HTML
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*
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* @param string &$text Parser text output
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* @param Language $lang Interface language
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*/
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private static function addReplyLinks( string &$text, Language $lang ) {
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$start = microtime( true );
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// Never add links twice.
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// This is required because we try again to add links to cached content
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// to support query string or cookie enabling
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if ( strpos( $text, static::REPLY_LINKS_COMMENT ) !== false ) {
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return;
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}
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$text = $text . "\n" . static::REPLY_LINKS_COMMENT;
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try {
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// Add reply links and hidden data about comment ranges.
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$newText = CommentFormatter::addReplyLinks( $text, $lang );
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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" . $info;
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return;
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}
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$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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}
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/**
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* @param Article $article Article about to be parsed
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* @param ParserOptions $popts Mutable parser options
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* @return bool|void True or no return value to continue or false to abort
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*/
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public static function onArticleParserOptions( Article $article, ParserOptions $popts ) {
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$services = MediaWikiServices::getInstance();
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$dtConfig = $services->getConfigFactory()->makeConfig( 'discussiontools' );
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if (
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$dtConfig->get( 'DiscussionToolsUseParserCache' ) &&
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static::isAvailableForTitle( $article->getTitle() ) &&
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static::isFeatureEnabledForUser( $popts->getUser(), 'replytool' )
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) {
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$popts->setOption( 'dtreply', true );
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}
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}
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/**
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* Register additional parser options
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*
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* @param array &$defaults
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* @param array &$inCacheKey
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* @param array &$lazyLoad
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* @return bool|void
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*/
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public static function onParserOptionsRegister( &$defaults, &$inCacheKey, &$lazyLoad ) {
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$defaults['dtreply'] = null;
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$inCacheKey['dtreply'] = 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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if ( static::isFeatureAvailableToUser( $user, 'replytool' ) ) {
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$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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if ( static::isFeatureAvailableToUser( $user, 'newtopictool' ) ) {
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$preferences['discussiontools-newtopictool'] = [
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'type' => 'toggle',
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'label-message' => 'discussiontools-preference-newtopictool',
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'help-message' => 'discussiontools-preference-newtopictool-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-abtest'] = [
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'type' => 'api',
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];
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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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!$dtConfig->get( 'DiscussionToolsBeta' )
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) {
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// When out of beta, preserve the user preference in case we
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// bring back the beta feature for a new sub-feature. (T272071)
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$preferences['discussiontools-betaenable'] = [
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'type' => 'api'
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];
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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()
|
|
->makeConfig( 'discussiontools' );
|
|
|
|
if (
|
|
$dtConfig->get( 'DiscussionToolsEnable' ) &&
|
|
$dtConfig->get( 'DiscussionToolsBeta' )
|
|
) {
|
|
$preferences['discussiontools-betaenable'] = [
|
|
'version' => '1.0',
|
|
'label-message' => 'discussiontools-preference-label',
|
|
'desc-message' => 'discussiontools-preference-description',
|
|
'screenshot' => [
|
|
'ltr' => "$iconpath/betafeatures-icon-DiscussionTools-ltr.svg",
|
|
'rtl' => "$iconpath/betafeatures-icon-DiscussionTools-rtl.svg",
|
|
],
|
|
'info-message' => 'discussiontools-preference-info-link',
|
|
'discussion-message' => 'discussiontools-preference-discussion-link',
|
|
'requirements' => [
|
|
'javascript' => true
|
|
]
|
|
];
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Implements the ListDefinedTags and ChangeTagsListActive hooks, to
|
|
* populate core Special:Tags with the change tags in use by DiscussionTools.
|
|
*
|
|
* @param array &$tags Available change tags.
|
|
*/
|
|
public static function onListDefinedTags( array &$tags ) : void {
|
|
$tags = array_merge( $tags, static::TAGS );
|
|
}
|
|
|
|
/**
|
|
* Implements the RecentChange_save hook, to add an allowed set of changetags
|
|
* to edits.
|
|
*
|
|
* @param RecentChange $recentChange
|
|
* @return bool
|
|
*/
|
|
public static function onRecentChangeSave( RecentChange $recentChange ) : bool {
|
|
// only apply to api edits, since there's no case where discussiontools
|
|
// should be using the form-submit method.
|
|
if ( !defined( 'MW_API' ) ) {
|
|
return true;
|
|
}
|
|
$request = RequestContext::getMain()->getRequest();
|
|
$tags = explode( ',', $request->getVal( 'dttags' ) );
|
|
|
|
$tags = array_values( array_intersect( $tags, static::TAGS ) );
|
|
|
|
if ( $tags ) {
|
|
$recentChange->addTags( $tags );
|
|
}
|
|
|
|
return true;
|
|
}
|
|
}
|