mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/DiscussionTools
synced 2024-11-13 18:37:07 +00:00
260 lines
8.5 KiB
PHP
260 lines
8.5 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\Hooks;
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use Action;
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use ExtensionRegistry;
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use MediaWiki\MediaWikiServices;
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use OutputPage;
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use PageProps;
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use RequestContext;
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use Title;
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use User;
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class HookUtils {
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public const REPLYTOOL = 'replytool';
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public const NEWTOPICTOOL = 'newtopictool';
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public const SOURCEMODETOOLBAR = 'sourcemodetoolbar';
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public const TOPICSUBSCRIPTION = 'topicsubscription';
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/**
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* @var string[] List of all sub-features. Will be used to generate:
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* - Feature override global: $wgDiscussionTools_FEATURE
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* - Body class: ext-discussiontools-FEATURE-enabled
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* - User option: discussiontools-FEATURE
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*/
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public const FEATURES = [
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self::REPLYTOOL,
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self::NEWTOPICTOOL,
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self::SOURCEMODETOOLBAR,
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self::TOPICSUBSCRIPTION,
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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 (one of static::FEATURES)
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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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public 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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if ( $feature === self::TOPICSUBSCRIPTION && $user->isAnon() ) {
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// Users must be logged in to use topic subscription
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return false;
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}
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$optionsLookup = $services->getUserOptionsLookup();
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if ( $feature ) {
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// Feature-specific override
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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, check for any feature
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foreach ( static::FEATURES as $feat ) {
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if ( $dtConfig->get( 'DiscussionTools_' . $feat ) === 'available' ) {
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return true;
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}
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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 immediately 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 static::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 (one of static::FEATURES)
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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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public static function isFeatureEnabledForUser( User $user, ?string $feature = null ) : bool {
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if ( !static::isFeatureAvailableToUser( $user, $feature ) ) {
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return false;
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}
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$services = MediaWikiServices::getInstance();
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$optionsLookup = $services->getUserOptionsLookup();
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if ( $feature ) {
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// Check for a specific feature
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return $optionsLookup->getOption( $user, 'discussiontools-' . $feature );
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} else {
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// Check for any feature
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foreach ( static::FEATURES as $feat ) {
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if ( $optionsLookup->getOption( $user, 'discussiontools-' . $feat ) ) {
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return true;
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}
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}
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return false;
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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 user has been enrolled in the last A/B test, if any was enabled.
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*
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* If the A/B test is enabled, and the user is 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 (one of static::FEATURES)
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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 = $dtConfig->get( 'DiscussionToolsABTest' );
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$abstate = $optionsManager->getOption( $user, 'discussiontools-abtest' );
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if (
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!$user->isAnon() &&
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( $abtest == 'all' || ( !$feature && $abtest ) || ( $feature && $abtest == $feature ) )
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) {
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// The A/B test is enabled, and the user is qualified to be in the
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// test by being logged in.
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if ( !$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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}
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return $abstate;
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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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public static function isAvailableForTitle( Title $title ) : bool {
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// Only wikitext pages (e.g. not Flow boards, special pages)
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if ( $title->getContentModel() !== CONTENT_MODEL_WIKITEXT ) {
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return false;
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}
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if ( !$title->canExist() ) {
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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 (one of static::FEATURES)
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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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public 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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// Topic subscription is not available on your own talk page, as you will
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// get 'mention-user-talk' notifications already. (T276996)
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if ( $feature === self::TOPICSUBSCRIPTION && $title->getNamespace() === NS_USER_TALK && !$title->isSubpage() ) {
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$user = User::newFromName( $title->getText() );
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if ( $user && $user->equals( $output->getUser() ) ) {
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return false;
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}
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}
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// ?dtenable=1 overrides all user and title checks
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$queryEnable = $output->getRequest()->getRawVal( 'dtenable' ) ?:
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// Extra hack for parses from API, where this parameter isn't passed to derivative requests
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RequestContext::getMain()->getRequest()->getRawVal( 'dtenable' );
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$dtConfig = MediaWikiServices::getInstance()->getConfigFactory()->makeConfig( 'discussiontools' );
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if (
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$feature === self::TOPICSUBSCRIPTION &&
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!$dtConfig->get( 'DiscussionToolsEnableTopicSubscriptionBackend' )
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) {
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// Can't be enabled via query, because the tables may not exist yet (T280082)
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$queryEnable = false;
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}
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if ( $queryEnable ) {
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return true;
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}
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if ( $queryEnable === "0" ) {
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// ?dtenable=0 forcibly disables the feature regardless of any other checks (T285578)
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return false;
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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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}
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}
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