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1 | <?php |
2 | /** |
3 | * Remove invalid events from echo_event and echo_notification |
4 | * |
5 | * @ingroup Maintenance |
6 | */ |
7 | |
8 | use MediaWiki\Extension\Notifications\DbFactory; |
9 | |
10 | require_once getenv( 'MW_INSTALL_PATH' ) !== false |
11 | ? getenv( 'MW_INSTALL_PATH' ) . '/maintenance/Maintenance.php' |
12 | : __DIR__ . '/../../../maintenance/Maintenance.php'; |
13 | |
14 | /** |
15 | * Maintenance script that removes invalid notifications |
16 | * |
17 | * @ingroup Maintenance |
18 | */ |
19 | class RemoveInvalidNotification extends Maintenance { |
20 | |
21 | /** @var string[] */ |
22 | protected $invalidEventType = [ 'article-linked' ]; |
23 | |
24 | public function __construct() { |
25 | parent::__construct(); |
26 | |
27 | $this->addDescription( "Removes invalid notifications from the database." ); |
28 | $this->setBatchSize( 500 ); |
29 | $this->requireExtension( 'Echo' ); |
30 | } |
31 | |
32 | public function execute() { |
33 | $lbFactory = DbFactory::newFromDefault(); |
34 | if ( !$this->invalidEventType ) { |
35 | $this->output( "There is nothing to process\n" ); |
36 | |
37 | return; |
38 | } |
39 | |
40 | $dbw = $lbFactory->getEchoDb( DB_PRIMARY ); |
41 | $dbr = $lbFactory->getEchoDb( DB_REPLICA ); |
42 | |
43 | $batchSize = $this->getBatchSize(); |
44 | $count = $batchSize; |
45 | |
46 | while ( $count == $batchSize ) { |
47 | $res = $dbr->newSelectQueryBuilder() |
48 | ->select( 'event_id' ) |
49 | ->from( 'echo_event' ) |
50 | ->where( [ |
51 | 'event_type' => $this->invalidEventType, |
52 | ] ) |
53 | ->limit( $batchSize ) |
54 | ->caller( __METHOD__ ) |
55 | ->fetchResultSet(); |
56 | |
57 | $event = []; |
58 | $count = 0; |
59 | foreach ( $res as $row ) { |
60 | // @phan-suppress-next-line PhanPossiblyUndeclaredVariable |
61 | if ( !in_array( $row->event_id, $event ) ) { |
62 | $event[] = $row->event_id; |
63 | } |
64 | $count++; |
65 | } |
66 | |
67 | if ( $event ) { |
68 | $this->beginTransaction( $dbw, __METHOD__ ); |
69 | |
70 | $dbw->newDeleteQueryBuilder() |
71 | ->deleteFrom( 'echo_event' ) |
72 | ->where( [ 'event_id' => $event ] ) |
73 | ->caller( __METHOD__ ) |
74 | ->execute(); |
75 | $dbw->newDeleteQueryBuilder() |
76 | ->deleteFrom( 'echo_notification' ) |
77 | ->where( [ 'notification_event' => $event ] ) |
78 | ->caller( __METHOD__ ) |
79 | ->execute(); |
80 | |
81 | $this->commitTransaction( $dbw, __METHOD__ ); |
82 | |
83 | $this->output( "processing " . count( $event ) . " invalid events\n" ); |
84 | $this->waitForReplication(); |
85 | } |
86 | |
87 | // Cleanup is not necessary for |
88 | // 1. echo_email_batch, invalid notification is removed during the cron |
89 | } |
90 | } |
91 | } |
92 | |
93 | $maintClass = RemoveInvalidNotification::class; |
94 | require_once RUN_MAINTENANCE_IF_MAIN; |