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ActivityUpdateJob.php
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1 <?php
23 
36 class ActivityUpdateJob extends Job {
37  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_MASTER );
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.
Class to both describe a background job and handle jobs.
Definition: Job.php:30
const DB_MASTER
Definition: defines.php:26
Job for updating user activity like "last viewed" timestamps.
__construct(LinkTarget $title, array $params)
static newFromLinkTarget(LinkTarget $linkTarget, $forceClone='')
Returns a Title given a LinkTarget.
Definition: Title.php:269
run()
Run the job.
array $params
Array of job parameters.
Definition: Job.php:35
Title $title
Definition: Job.php:41