8aecf94da0
This patch introduces a namespace declaration for the Wikimedia\Watchlist to ActivityUpdateJob and establishes a class alias marked as deprecated since version 1.43. Bug: T353458 Change-Id: I34342bb01c8f6c9657f1b2f05de1de64a107665f
109 lines
3.8 KiB
PHP
109 lines
3.8 KiB
PHP
<?php
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/**
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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*/
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namespace MediaWiki\Watchlist;
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use InvalidArgumentException;
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use Job;
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use MediaWiki\Linker\LinkTarget;
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use MediaWiki\MediaWikiServices;
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use MediaWiki\Page\PageReference;
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/**
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* Job for updating user activity like "last viewed" timestamps
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*
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* Job parameters include:
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* - type: one of (updateWatchlistNotification) [required]
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* - userid: affected user ID [required]
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* - notifTime: timestamp to set watchlist entries to [required]
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* - curTime: UNIX timestamp of the event that triggered this job [required]
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*
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* @since 1.26
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* @ingroup JobQueue
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*/
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class ActivityUpdateJob extends Job {
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/**
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* @param LinkTarget|PageReference $title
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* @param array $params
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*/
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public function __construct( $title, array $params ) {
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// If we know its a PageReference, we could just pass that to the parent
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// constructor, but its simpler to just extract namespace and dbkey, and
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// that works for both LinkTarget and PageReference
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$params['namespace'] = $title->getNamespace();
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$params['title'] = $title->getDBkey();
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parent::__construct( 'activityUpdateJob', $params );
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static $required = [ 'type', 'userid', 'notifTime', 'curTime' ];
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$missing = implode( ', ', array_diff( $required, array_keys( $this->params ) ) );
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if ( $missing != '' ) {
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throw new InvalidArgumentException( "Missing parameter(s) $missing" );
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}
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$this->removeDuplicates = true;
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}
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public function run() {
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if ( $this->params['type'] === 'updateWatchlistNotification' ) {
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$this->updateWatchlistNotification();
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} else {
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throw new InvalidArgumentException( "Invalid 'type' '{$this->params['type']}'." );
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}
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return true;
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}
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protected function updateWatchlistNotification() {
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$casTimestamp = $this->params['notifTime'] ?? $this->params['curTime'];
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// TODO: Inject
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$dbw = MediaWikiServices::getInstance()->getConnectionProvider()->getPrimaryDatabase();
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// Add a "check and set" style comparison to handle conflicts.
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// The inequality always avoids updates when the current value
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// is already NULL per ANSI SQL. This is desired since NULL means
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// that the user is "caught up" on edits already. When the field
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// is non-NULL, make sure not to set it back in time or set it to
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// NULL when newer revisions were in fact added to the page.
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$casTimeCond = $dbw->expr( 'wl_notificationtimestamp', '<', $dbw->timestamp( $casTimestamp ) );
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// select primary key first instead of directly update to avoid deadlocks per T204561
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$wlId = $dbw->newSelectQueryBuilder()
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->select( 'wl_id' )
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->from( 'watchlist' )
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->where( [
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'wl_user' => $this->params['userid'],
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'wl_namespace' => $this->title->getNamespace(),
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'wl_title' => $this->title->getDBkey(),
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$casTimeCond
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] )->caller( __METHOD__ )->fetchField();
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if ( !$wlId ) {
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return;
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}
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$dbw->newUpdateQueryBuilder()
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->update( 'watchlist' )
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->set( [ 'wl_notificationtimestamp' => $dbw->timestampOrNull( $this->params['notifTime'] ) ] )
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->where( [ 'wl_id' => (int)$wlId, $casTimeCond ] )
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->caller( __METHOD__ )->execute();
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}
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}
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/** @deprecated class alias since 1.43 */
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class_alias( ActivityUpdateJob::class, 'ActivityUpdateJob' );
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