MediaWiki REL1_37
ActivityUpdateJob.php
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1<?php
23
36class ActivityUpdateJob extends Job {
37 public function __construct( LinkTarget $title, array $params ) {
38 $title = Title::newFromLinkTarget( $title );
39
40 parent::__construct( 'activityUpdateJob', $title, $params );
41
42 static $required = [ 'type', 'userid', 'notifTime', 'curTime' ];
43 $missing = implode( ', ', array_diff( $required, array_keys( $this->params ) ) );
44 if ( $missing != '' ) {
45 throw new InvalidArgumentException( "Missing parameter(s) $missing" );
46 }
47
48 $this->removeDuplicates = true;
49 }
50
51 public function run() {
52 if ( $this->params['type'] === 'updateWatchlistNotification' ) {
54 } else {
55 throw new InvalidArgumentException( "Invalid 'type' '{$this->params['type']}'." );
56 }
57
58 return true;
59 }
60
61 protected function updateWatchlistNotification() {
62 $casTimestamp = $this->params['notifTime'] ?? $this->params['curTime'];
63
64 $dbw = wfGetDB( DB_PRIMARY );
65 $dbw->update( 'watchlist',
66 [
67 'wl_notificationtimestamp' => $dbw->timestampOrNull( $this->params['notifTime'] )
68 ],
69 [
70 'wl_user' => $this->params['userid'],
71 'wl_namespace' => $this->title->getNamespace(),
72 'wl_title' => $this->title->getDBkey(),
73 // Add a "check and set" style comparison to handle conflicts.
74 // The inequality always avoids updates when the current value
75 // is already NULL per ANSI SQL. This is desired since NULL means
76 // that the user is "caught up" on edits already. When the field
77 // is non-NULL, make sure not to set it back in time or set it to
78 // NULL when newer revisions were in fact added to the page.
79 'wl_notificationtimestamp < ' . $dbw->addQuotes( $dbw->timestamp( $casTimestamp ) )
80 ],
81 __METHOD__
82 );
83 }
84}
wfGetDB( $db, $groups=[], $wiki=false)
Get a Database object.
Job for updating user activity like "last viewed" timestamps.
__construct(LinkTarget $title, array $params)
Class to both describe a background job and handle jobs.
Definition Job.php:37
Title $title
Definition Job.php:48
array $params
Array of job parameters.
Definition Job.php:42
const DB_PRIMARY
Definition defines.php:27