mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/Echo
synced 2024-12-24 13:44:40 +00:00
950f74eba8
Change-Id: Iedeaca3c31195a5cf7df8dd38d6332cfabffcc67
195 lines
5.5 KiB
PHP
195 lines
5.5 KiB
PHP
<?php
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class EchoNotificationController {
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/**
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* Retrieves number of unread notifications that a user has.
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*
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* @param $user User object to check notifications for
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* @param $cached Set to false to bypass the cache.
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* @return Integer: Number of unread notifications.
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*/
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public static function getNotificationCount( $user, $cached = true ) {
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global $wgMemc;
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$memcKey = wfMemcKey( 'echo-notification-count', $user->getId() );
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if ( $cached && $wgMemc->get( $memcKey ) !== false ) {
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return $wgMemc->get( $memcKey );
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}
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$dbr = wfGetDB( DB_SLAVE );
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$count = $dbr->selectField( 'echo_notification', 'count(*)',
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array(
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'notification_user' => $user->getId(),
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'notification_read_timestamp' => null,
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),
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__METHOD__
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);
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$wgMemc->set( $memcKey, $count, 86400 );
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return $count;
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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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*
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* @param $user User object to mark items read for.
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* @param $eventIDs Array of event IDs to mark read
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*/
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public static function markRead( $user, $eventIDs ) {
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$dbw = wfGetDB( DB_MASTER );
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$eventIDs = array_filter( (array)$eventIDs, 'is_numeric' );
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$dbw->update( 'echo_notification',
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array( 'notification_read_timestamp' => $dbw->timestamp( wfTimestampNow() ) ),
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array(
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'notification_user' => $user->getId(),
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'notification_event' => $eventIDs,
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),
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__METHOD__
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);
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self::resetNotificationCount( $user );
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}
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/**
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* Recalculates the number of notifications that a user has.
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*
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* @param $user User object
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*/
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public static function resetNotificationCount( $user ) {
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self::getNotificationCount( $user, false );
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$user->invalidateCache();
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}
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/**
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* Processes notifications for a newly-created EchoEvent
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*
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* @param $event EchoEvent to do notifications for
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* @param $defer Defer to job queue
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*/
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public static function notify( $event, $defer = true ) {
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if ( $defer ) {
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$title = $event->getTitle() ? $event->getTitle() : Title::newMainPage();
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$job = new EchoNotificationJob( $title, array( 'event' => $event ) );
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$job->insert();
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return;
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}
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$subscriptions = self::getSubscriptionsForEvent( $event );
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foreach ( $subscriptions as $subscription ) {
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$user = $subscription->getUser();
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$notifyTypes = $subscription->getNotificationTypes();
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$notifyTypes = array_keys( array_filter( $notifyTypes ) );
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wfRunHooks( 'EchoGetNotificationTypes', array( $subscription, $event, &$notifyTypes ) );
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foreach ( $notifyTypes as $type ) {
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self::doNotification( $event, $user, $type );
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}
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}
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}
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/**
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* Processes a single notification for an EchoEvent
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*
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* @param $event The EchoEvent to do a notification for.
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* @param $user The User object to notify.
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* @param $type The type of notification to process, as a string.
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* @throws MWException
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*/
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public static function doNotification( $event, $user, $type ) {
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global $wgEchoNotifiers;
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if ( !isset( $wgEchoNotifiers[$type] ) ) {
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throw new MWException( "Invalid notification type $type" );
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}
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call_user_func_array( $wgEchoNotifiers[$type], array( $user, $event ) );
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}
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/**
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* Retrieves an array of EchoSubscription objects applicable to an EchoEvent.
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*
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* @param $event EchoEvent to retrieve EchoSubscriptions for.
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* @return Array of EchoSubscription objects.
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*/
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protected static function getSubscriptionsForEvent( $event ) {
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$dbr = wfGetDB( DB_SLAVE );
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$conds = array( 'sub_event_type' => $event->getType() );
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if ( $event->getTitle() ) {
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$conds['sub_page_namespace'] = $event->getTitle()->getNamespace();
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$conds['sub_page_title'] = $event->getTitle()->getDBkey();
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}
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$res = $dbr->select( 'echo_subscription', '*', $conds, __METHOD__,
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array( 'order by' => 'sub_user asc' ) );
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$subscriptions = array();
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$rowCollection = array();
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$lastUser = null;
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foreach ( $res as $row ) {
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if ( $lastUser && $row->sub_user != $lastUser ) {
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$subscriptions[$lastUser] = EchoSubscription::newFromRows( $rowCollection );
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$rowCollection = array();
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}
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$rowCollection[] = $row;
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$lastUser = $row->sub_user;
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}
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if ( count( $rowCollection ) ) {
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$subscriptions[$lastUser] = EchoSubscription::newFromRows( $rowCollection );
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}
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$users = array();
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wfRunHooks( 'EchoGetDefaultNotifiedUsers', array( $event, &$users ) );
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foreach ( $users as $u ) {
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if ( !isset( $subscriptions[$u->getId()] ) ) {
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$subscriptions[$u->getId()] = new EchoSubscription( $u, $event->getType(), $event->getTitle() );
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}
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}
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// Don't notify the person who made the edit, that's a bit silly.
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if ( $event->getAgent() ) {
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unset( $subscriptions[$event->getAgent()->getId()] );
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}
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return $subscriptions;
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}
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/**
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* Formats a notification
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*
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* @param $event EchoEvent that the notification is for.
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* @param $user The User to format the notification for.
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* @param $format The format to show the notification in: text or html
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* @param $type The type of notification being distributed (e.g. email, notify)
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* @return type description
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*/
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public static function formatNotification( $event, $user, $format = 'text', $type = 'notify' ) {
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global $wgEchoNotificationFormatters;
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$eventType = $event->getType();
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if ( isset( $wgEchoNotificationFormatters[$eventType] ) ) {
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$params = $wgEchoNotificationFormatters[$eventType];
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$notifier = EchoNotificationFormatter::factory( $params );
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$notifier->setOutputFormat( $format );
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return $notifier->format( $event, $user, $type );
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}
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return Xml::tags( 'span', array( 'class' => 'error' ),
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wfMessage( 'echo-error-no-formatter', $event->getType() )->escaped() );
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}
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}
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