mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/Echo
synced 2024-11-30 18:45:07 +00:00
683 lines
22 KiB
PHP
683 lines
22 KiB
PHP
<?php
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use MediaWiki\MediaWikiServices;
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use Wikimedia\Rdbms\Database;
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/**
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* Entity that represents a notification target user
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*/
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class MWEchoNotifUser {
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/**
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* Notification target user
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* @var User
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*/
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private $mUser;
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/**
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* Object cache
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* @var WANObjectCache
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*/
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private $cache;
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/**
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* Database access gateway
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* @var EchoUserNotificationGateway
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*/
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private $userNotifGateway;
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/**
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* Notification mapper
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* @var EchoNotificationMapper
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*/
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private $notifMapper;
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/**
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* Target page mapper
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* @var EchoTargetPageMapper
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*/
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private $targetPageMapper;
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/**
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* @var EchoForeignNotifications|null
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*/
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private $foreignNotifications;
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/**
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* @var array[]|null
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*/
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private $localCountsAndTimestamps;
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/**
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* @var array[]|null
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*/
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private $globalCountsAndTimestamps;
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/**
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* @var array[]|null
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*/
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private $mForeignData;
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// The max notification count shown in badge
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// The max number shown in bundled message, eg, <user> and 99+ others <action>.
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// This is really a totally separate thing, and could be its own constant.
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// WARNING: If you change this, you should also change all references in the
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// i18n messages (100 and 99) in all repositories using Echo.
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const MAX_BADGE_COUNT = 99;
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const CACHE_TTL = 86400;
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const CACHE_KEY = 'echo-notification-counts';
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const CHECK_KEY = 'echo-notification-updated';
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/**
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* Usually client code doesn't need to initialize the object directly
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* because it could be obtained from factory method newFromUser()
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* @param User $user
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* @param WANObjectCache $cache
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* @param EchoUserNotificationGateway $userNotifGateway
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* @param EchoNotificationMapper $notifMapper
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* @param EchoTargetPageMapper $targetPageMapper
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*/
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public function __construct(
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User $user,
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WANObjectCache $cache,
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EchoUserNotificationGateway $userNotifGateway,
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EchoNotificationMapper $notifMapper,
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EchoTargetPageMapper $targetPageMapper
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) {
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$this->mUser = $user;
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$this->userNotifGateway = $userNotifGateway;
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$this->cache = $cache;
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$this->notifMapper = $notifMapper;
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$this->targetPageMapper = $targetPageMapper;
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}
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/**
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* Factory method
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* @param User $user
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* @throws MWException
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* @return MWEchoNotifUser
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*/
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public static function newFromUser( User $user ) {
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if ( $user->isAnon() ) {
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throw new MWException( 'User must be logged in to view notification!' );
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}
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return new MWEchoNotifUser(
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$user,
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MediaWikiServices::getInstance()->getMainWANObjectCache(),
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new EchoUserNotificationGateway(
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$user,
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MWEchoDbFactory::newFromDefault(),
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MediaWikiServices::getInstance()->getMainConfig()
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),
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new EchoNotificationMapper(),
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new EchoTargetPageMapper()
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);
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}
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/**
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* Mark all edit-user-talk notifications as read. This is called when a user visits their user talk page.
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*/
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public function clearUserTalkNotifications() {
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$this->markRead(
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$this->userNotifGateway->getUnreadNotifications(
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'edit-user-talk'
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)
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);
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}
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/**
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* Get message count for this user.
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*
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* @return int
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*/
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public function getMessageCount() {
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return $this->getNotificationCount( EchoAttributeManager::MESSAGE );
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}
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/**
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* Get alert count for this user.
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*
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* @return int
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*/
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public function getAlertCount() {
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return $this->getNotificationCount( EchoAttributeManager::ALERT );
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}
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/**
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* Get the number of unread local notifications in a given section. This does not include
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* foreign notifications, even if the user has cross-wiki notifications enabled.
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*
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* @param string $section Notification section
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* @return int
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*/
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public function getLocalNotificationCount( $section = EchoAttributeManager::ALL ) {
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return $this->getNotificationCount( $section, false );
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}
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/**
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* Retrieves number of unread notifications that a user has, would return
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* MWEchoNotifUser::MAX_BADGE_COUNT + 1 at most.
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*
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* If $wgEchoCrossWikiNotifications is disabled, the $global parameter is ignored.
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*
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* @param string $section Notification section
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* @param bool|string $global Whether to include foreign notifications. If set to 'preference', uses the user's preference.
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* @return int
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*/
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public function getNotificationCount( $section = EchoAttributeManager::ALL, $global = 'preference' ) {
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if ( $this->mUser->isAnon() ) {
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return 0;
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}
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global $wgEchoCrossWikiNotifications;
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if ( !$wgEchoCrossWikiNotifications ) {
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// Ignore the $global parameter
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$global = false;
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}
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if ( $global === 'preference' ) {
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$global = $this->getForeignNotifications()->isEnabledByUser();
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}
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$data = $this->getCountsAndTimestamps( $global );
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$count = $data[$global ? 'global' : 'local'][$section]['count'];
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return (int)$count;
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}
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/**
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* Get the timestamp of the latest unread alert
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*
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* @return bool|MWTimestamp Timestamp of latest unread alert, or false if there are no unread alerts.
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*/
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public function getLastUnreadAlertTime() {
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return $this->getLastUnreadNotificationTime( EchoAttributeManager::ALERT );
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}
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/**
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* Get the timestamp of the latest unread message
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*
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* @return bool|MWTimestamp
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*/
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public function getLastUnreadMessageTime() {
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return $this->getLastUnreadNotificationTime( EchoAttributeManager::MESSAGE );
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}
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/**
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* Returns the timestamp of the last unread notification.
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*
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* If $wgEchoCrossWikiNotifications is disabled, the $global parameter is ignored.
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*
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* @param string $section Notification section
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* @param bool|string $global Whether to include foreign notifications. If set to 'preference', uses the user's preference.
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* @return bool|MWTimestamp Timestamp of latest unread message, or false if there are no unread messages.
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*/
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public function getLastUnreadNotificationTime( $section = EchoAttributeManager::ALL, $global = 'preference' ) {
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if ( $this->mUser->isAnon() ) {
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return false;
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}
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global $wgEchoCrossWikiNotifications;
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if ( !$wgEchoCrossWikiNotifications ) {
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// Ignore the $global parameter
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$global = false;
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}
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if ( $global === 'preference' ) {
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$global = $this->getForeignNotifications()->isEnabledByUser();
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}
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$data = $this->getCountsAndTimestamps( $global );
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$timestamp = $data[$global ? 'global' : 'local'][$section]['timestamp'];
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return $timestamp === -1 ? false : new MWTimestamp( $timestamp );
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}
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/**
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* Mark one or more notifications read for a user.
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* @param array $eventIds Array of event IDs to mark read
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* @return bool Returns true when data has been updated in DB, false on
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* failure, or when there was nothing to update
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*/
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public function markRead( $eventIds ) {
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$eventIds = array_filter( (array)$eventIds, 'is_numeric' );
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if ( !$eventIds || wfReadOnly() ) {
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return false;
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}
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$updated = $this->userNotifGateway->markRead( $eventIds );
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if ( $updated ) {
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// Update notification count in cache
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$this->resetNotificationCount();
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// After this 'mark read', is there any unread edit-user-talk
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// remaining? If not, we should clear the newtalk flag.
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$talkPageNotificationManager = MediaWikiServices::getInstance()
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->getTalkPageNotificationManager();
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if ( $talkPageNotificationManager->userHasNewMessages( $this->mUser ) ) {
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$attributeManager = EchoAttributeManager::newFromGlobalVars();
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$categoryMap = $attributeManager->getEventsByCategory();
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$usertalkTypes = $categoryMap['edit-user-talk'];
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$unreadEditUserTalk = $this->notifMapper->fetchUnreadByUser( $this->mUser, 1, null, $usertalkTypes, null, DB_MASTER );
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if ( $unreadEditUserTalk === [] ) {
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$talkPageNotificationManager->removeUserHasNewMessages( $this->mUser );
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}
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}
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}
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return $updated;
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}
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/**
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* Mark one or more notifications unread for a user.
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* @param array $eventIds Array of event IDs to mark unread
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* @return bool Returns true when data has been updated in DB, false on
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* failure, or when there was nothing to update
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*/
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public function markUnRead( $eventIds ) {
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$eventIds = array_filter( (array)$eventIds, 'is_numeric' );
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if ( !$eventIds || wfReadOnly() ) {
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return false;
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}
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$updated = $this->userNotifGateway->markUnRead( $eventIds );
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if ( $updated ) {
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// Update notification count in cache
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$this->resetNotificationCount();
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// After this 'mark unread', is there any unread edit-user-talk?
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// If so, we should add the edit-user-talk flag
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$talkPageNotificationManager = MediaWikiServices::getInstance()
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->getTalkPageNotificationManager();
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if ( !$talkPageNotificationManager->userHasNewMessages( $this->mUser ) ) {
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$attributeManager = EchoAttributeManager::newFromGlobalVars();
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$categoryMap = $attributeManager->getEventsByCategory();
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$usertalkTypes = $categoryMap['edit-user-talk'];
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$unreadEditUserTalk = $this->notifMapper->fetchUnreadByUser( $this->mUser, 1, null, $usertalkTypes, null, DB_MASTER );
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if ( $unreadEditUserTalk !== [] ) {
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$talkPageNotificationManager->setUserHasNewMessages( $this->mUser );
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}
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}
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}
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return $updated;
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}
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/**
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* Attempt to mark all or sections of notifications as read, this only
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* updates up to $wgEchoMaxUpdateCount records per request, see more
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* detail about this in Echo.php, the other reason is that mediawiki
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* database interface doesn't support updateJoin() that would update
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* across multiple tables, we would visit this later
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*
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* @param string[] $sections
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* @return bool
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*/
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public function markAllRead( array $sections = [ EchoAttributeManager::ALL ] ) {
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if ( wfReadOnly() ) {
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return false;
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}
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global $wgEchoMaxUpdateCount;
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// Mark all sections as read if this is the case
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if ( in_array( EchoAttributeManager::ALL, $sections ) ) {
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$sections = EchoAttributeManager::$sections;
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}
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$attributeManager = EchoAttributeManager::newFromGlobalVars();
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$eventTypes = $attributeManager->getUserEnabledEventsbySections( $this->mUser, 'web', $sections );
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$notifs = $this->notifMapper->fetchUnreadByUser( $this->mUser, $wgEchoMaxUpdateCount, null, $eventTypes );
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$eventIds = array_filter(
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array_map( function ( EchoNotification $notif ) {
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// This should not happen at all, but use 0 in
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// such case so to keep the code running
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if ( $notif->getEvent() ) {
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return $notif->getEvent()->getId();
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}
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return 0;
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}, $notifs )
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);
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$updated = $this->markRead( $eventIds );
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if ( $updated ) {
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// Delete records from echo_target_page
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/**
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* Keep the 'echo_target_page' records so they can be used for moderation.
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*/
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// $this->targetPageMapper->deleteByUserEvents( $this->mUser, $eventIds );
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}
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return $updated;
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}
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/**
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* Mark one of more notifications as read on a foreign wiki.
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*
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* @param int[] $eventIds Event IDs to mark as read
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* @param string $wiki Wiki name
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*/
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public function markReadForeign( array $eventIds, $wiki ) {
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$foreignReq = new EchoForeignWikiRequest(
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$this->mUser,
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[
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'action' => 'echomarkread',
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'list' => implode( '|', $eventIds ),
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],
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[ $wiki ],
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'wikis',
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'csrf'
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);
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$foreignReq->execute();
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}
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/**
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* Get information about a set of unread notifications on a foreign wiki.
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*
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* @param int[] $eventIds Event IDs to look up. Only unread notifications can be found.
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* @param string $wiki Wiki name
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* @return array[] Array of notification data as returned by api.php, keyed by event ID
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*/
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public function getForeignNotificationInfo( array $eventIds, $wiki ) {
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$foreignReq = new EchoForeignWikiRequest(
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$this->mUser,
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[
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'action' => 'query',
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'meta' => 'notifications',
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'notprop' => 'list',
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'notfilter' => '!read',
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'notlimit' => 'max'
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],
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[ $wiki ],
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'notwikis'
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);
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$foreignResults = $foreignReq->execute();
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$list = $foreignResults[$wiki]['query']['notifications']['list'] ?? [];
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$result = [];
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foreach ( $list as $notif ) {
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if ( in_array( $notif['id'], $eventIds ) ) {
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$result[$notif['id']] = $notif;
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}
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}
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return $result;
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}
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/**
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* Invalidate cache and update echo_unread_wikis if x-wiki notifications is enabled.
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*
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* This updates the user's touched timestamp, as well as the value returned by getGlobalUpdateTime().
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*
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* NOTE: Consider calling this function from a deferred update, since it will read from and write to
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* the master DB if cross-wiki notifications are enabled.
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*/
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public function resetNotificationCount() {
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global $wgEchoCrossWikiNotifications;
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// Delete cached local counts and timestamps
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$localMemcKey = $this->getMemcKey( self::CACHE_KEY );
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$this->cache->delete( $localMemcKey );
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// Update the user touched timestamp for the local user
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$this->mUser->invalidateCache();
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if ( $wgEchoCrossWikiNotifications ) {
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// Delete cached global counts and timestamps
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$globalMemcKey = $this->getGlobalMemcKey( self::CACHE_KEY );
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if ( $globalMemcKey !== false ) {
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$this->cache->delete( $globalMemcKey );
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}
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$uw = EchoUnreadWikis::newFromUser( $this->mUser );
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if ( $uw ) {
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// Immediately compute new local counts and timestamps
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$newLocalData = $this->computeLocalCountsAndTimestamps( DB_MASTER );
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// Write the new values to the echo_unread_wikis table
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$alertTs = $newLocalData[EchoAttributeManager::ALERT]['timestamp'];
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$messageTs = $newLocalData[EchoAttributeManager::MESSAGE]['timestamp'];
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$uw->updateCount(
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wfWikiID(),
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$newLocalData[EchoAttributeManager::ALERT]['count'],
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$alertTs === -1 ? false : new MWTimestamp( $alertTs ),
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$newLocalData[EchoAttributeManager::MESSAGE]['count'],
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$messageTs === -1 ? false : new MWTimestamp( $messageTs )
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);
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// We could set() $newLocalData into the cache here, but we don't because that seems risky;
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// instead we let it be recomputed on demand
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}
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// Update the global touched timestamp
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$checkKey = $this->getGlobalMemcKey( self::CHECK_KEY );
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if ( $checkKey ) {
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$this->cache->touchCheckKey( $checkKey );
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}
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}
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}
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/**
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* Get the timestamp of the last time the global notification counts/timestamps were updated, if available.
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*
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* If the timestamp of the last update is not known, this will return the current timestamp.
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* If the user is not attached, this will return false.
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*
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* @return string|false MW timestamp of the last update, or false if the user is not attached
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*/
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public function getGlobalUpdateTime() {
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$key = $this->getGlobalMemcKey( self::CHECK_KEY );
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if ( $key === false ) {
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return false;
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}
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return wfTimestamp( TS_MW, $this->cache->getCheckKeyTime( $key ) );
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}
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/**
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* Get the number of notifications in each section, and the timestamp of the latest notification in
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* each section. This returns the raw data structure that is stored in the cache; unless you want
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* all of this information, you're probably looking for getNotificationCount(),
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* getLastUnreadNotificationTime() or one of its wrappers.
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*
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* The returned data structure looks like:
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* [
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* 'local' => [
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* 'alert' => [ 'count' => N, 'timestamp' => TS ],
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* 'message' => [ 'count' = N, 'timestamp' => TS ],
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* 'all' => [ 'count' => N, 'timestamp' => TS ],
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* ],
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* 'global' => [
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* 'alert' => [ 'count' => N, 'timestamp' => TS ],
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* 'message' => [ 'count' = N, 'timestamp' => TS ],
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* 'all' => [ 'count' => N, 'timestamp' => TS ],
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* ],
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* ]
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* Where N is a number and TS is a timestamp in TS_MW format or -1. If $includeGlobal is false,
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* the 'global' key will not be present.
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*
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* @param bool $includeGlobal Whether to include cross-wiki notifications as well
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* @return array[]
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*/
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public function getCountsAndTimestamps( $includeGlobal = false ) {
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if ( $this->localCountsAndTimestamps === null ) {
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$this->localCountsAndTimestamps = $this->cache->getWithSetCallback(
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$this->getMemcKey( self::CACHE_KEY ),
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self::CACHE_TTL,
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function ( $oldValue, &$ttl, array &$setOpts ) {
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$dbr = $this->userNotifGateway->getDB( DB_REPLICA );
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$setOpts += Database::getCacheSetOptions( $dbr );
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return $this->computeLocalCountsAndTimestamps();
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}
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);
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}
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$result = [ 'local' => $this->localCountsAndTimestamps ];
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if ( $includeGlobal ) {
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if ( $this->globalCountsAndTimestamps === null ) {
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$memcKey = $this->getGlobalMemcKey( self::CACHE_KEY );
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// If getGlobalMemcKey returns false, we don't have a global user ID
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// In that case, don't compute data that we can't cache or store
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if ( $memcKey !== false ) {
|
|
$this->globalCountsAndTimestamps = $this->cache->getWithSetCallback(
|
|
$memcKey,
|
|
self::CACHE_TTL,
|
|
function ( $oldValue, &$ttl, array &$setOpts ) {
|
|
$dbr = $this->userNotifGateway->getDB( DB_REPLICA );
|
|
$setOpts += Database::getCacheSetOptions( $dbr );
|
|
return $this->computeGlobalCountsAndTimestamps();
|
|
}
|
|
);
|
|
}
|
|
}
|
|
$result['global'] = $this->globalCountsAndTimestamps;
|
|
}
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Compute the counts and timestamps for the local notifications in each section.
|
|
* @param int $dbSource DB_REPLICA or DB_MASTER
|
|
* @return array[] [ 'alert' => [ 'count' => N, 'timestamp' => TS ], ... ]
|
|
*/
|
|
protected function computeLocalCountsAndTimestamps( $dbSource = DB_REPLICA ) {
|
|
$attributeManager = EchoAttributeManager::newFromGlobalVars();
|
|
$result = [];
|
|
$totals = [ 'count' => 0, 'timestamp' => -1 ];
|
|
|
|
foreach ( EchoAttributeManager::$sections as $section ) {
|
|
$eventTypesToLoad = $attributeManager->getUserEnabledEventsbySections( $this->mUser, 'web', [ $section ] );
|
|
|
|
$count = (int)$this->userNotifGateway->getCappedNotificationCount( $dbSource, $eventTypesToLoad, self::MAX_BADGE_COUNT + 1 );
|
|
$result[$section]['count'] = $count;
|
|
$totals['count'] += $count;
|
|
|
|
$notifications = $this->notifMapper->fetchUnreadByUser( $this->mUser, 1, null, $eventTypesToLoad, null, $dbSource );
|
|
if ( $notifications ) {
|
|
$notification = reset( $notifications );
|
|
$timestamp = $notification->getTimestamp();
|
|
} else {
|
|
$timestamp = -1;
|
|
}
|
|
$result[$section]['timestamp'] = $timestamp;
|
|
$totals['timestamp'] = max( $totals['timestamp'], $timestamp );
|
|
}
|
|
$totals['count'] = self::capNotificationCount( $totals['count'] );
|
|
$result[EchoAttributeManager::ALL] = $totals;
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Compute the global counts and timestamps for each section.
|
|
*
|
|
* This calls getCountsAndTimestamps() to get data about local notifications, which may end up
|
|
* calling computeLocalCountsAndTimestamps() if there's a cache miss.
|
|
* @return array[] [ 'alert' => [ 'count' => N, 'timestamp' => TS ], ... ]
|
|
*/
|
|
protected function computeGlobalCountsAndTimestamps() {
|
|
$localData = $this->getCountsAndTimestamps()['local'];
|
|
$result = [];
|
|
$totals = [ 'count' => 0, 'timestamp' => -1 ];
|
|
foreach ( EchoAttributeManager::$sections as $section ) {
|
|
$localCount = $localData[$section]['count'];
|
|
$globalCount = self::capNotificationCount( $localCount + $this->getForeignCount( $section ) );
|
|
$result[$section]['count'] = $globalCount;
|
|
$totals['count'] += $globalCount;
|
|
|
|
$localTimestamp = $localData[$section]['timestamp'];
|
|
$foreignTimestamp = $this->getForeignTimestamp( $section );
|
|
$globalTimestamp = max( $localTimestamp, $foreignTimestamp ? $foreignTimestamp->getTimestamp( TS_MW ) : -1 );
|
|
$result[$section]['timestamp'] = $globalTimestamp;
|
|
$totals['timestamp'] = max( $totals['timestamp'], $globalTimestamp );
|
|
}
|
|
$totals['count'] = self::capNotificationCount( $totals['count'] );
|
|
$result[EchoAttributeManager::ALL] = $totals;
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Get the user's email notification format
|
|
* @return string
|
|
*/
|
|
public function getEmailFormat() {
|
|
global $wgAllowHTMLEmail;
|
|
|
|
if ( $wgAllowHTMLEmail ) {
|
|
return $this->mUser->getOption( 'echo-email-format' );
|
|
}
|
|
|
|
return EchoEmailFormat::PLAIN_TEXT;
|
|
}
|
|
|
|
/**
|
|
* Build a cache key for local use (local to this wiki)
|
|
*
|
|
* @param string $key Key, typically prefixed with echo-notification-
|
|
* @return string Cache key
|
|
*/
|
|
protected function getMemcKey( $key ) {
|
|
global $wgEchoCacheVersion;
|
|
return $this->cache->makeKey( $key, $this->mUser->getId(), $wgEchoCacheVersion );
|
|
}
|
|
|
|
/**
|
|
* Build a cache key for global use
|
|
*
|
|
* @param string $key Key, typically prefixed with echo-notification-
|
|
* @return string|false Memcached key, or false if one could not be generated
|
|
*/
|
|
protected function getGlobalMemcKey( $key ) {
|
|
global $wgEchoCacheVersion;
|
|
$lookup = CentralIdLookup::factory();
|
|
$globalId = $lookup->centralIdFromLocalUser( $this->mUser, CentralIdLookup::AUDIENCE_RAW );
|
|
if ( !$globalId ) {
|
|
return false;
|
|
}
|
|
return $this->cache->makeGlobalKey( $key, $globalId, $wgEchoCacheVersion );
|
|
}
|
|
|
|
/**
|
|
* Lazy-construct an EchoForeignNotifications instance. This instance is force-enabled, so it
|
|
* returns information about cross-wiki notifications even if the user has them disabled.
|
|
* @return EchoForeignNotifications
|
|
*/
|
|
protected function getForeignNotifications() {
|
|
if ( !$this->foreignNotifications ) {
|
|
$this->foreignNotifications = new EchoForeignNotifications( $this->mUser, true );
|
|
}
|
|
return $this->foreignNotifications;
|
|
}
|
|
|
|
/**
|
|
* Get the number of foreign notifications in a given section.
|
|
* @param string $section One of EchoAttributeManager::$sections
|
|
* @return int Number of foreign notifications
|
|
*/
|
|
protected function getForeignCount( $section = EchoAttributeManager::ALL ) {
|
|
return self::capNotificationCount(
|
|
$this->getForeignNotifications()->getCount( $section )
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Get the timestamp of the most recent foreign notification in a given section.
|
|
* @param string $section One of EchoAttributeManager::$sections
|
|
* @return MWTimestamp|false Timestamp of the most recent foreign notification, or false if
|
|
* there aren't any
|
|
*/
|
|
protected function getForeignTimestamp( $section = EchoAttributeManager::ALL ) {
|
|
return $this->getForeignNotifications()->getTimestamp( $section );
|
|
}
|
|
|
|
/**
|
|
* Helper function to produce the capped number of notifications
|
|
* based on the value of MWEchoNotifUser::MAX_BADGE_COUNT
|
|
*
|
|
* @param int $number Raw notification count to cap
|
|
* @return int Capped notification count
|
|
*/
|
|
public static function capNotificationCount( $number ) {
|
|
return min( $number, self::MAX_BADGE_COUNT + 1 );
|
|
}
|
|
}
|