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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 | use MediaWiki\Maintenance\Maintenance; |
| 10 | |
| 11 | require_once getenv( 'MW_INSTALL_PATH' ) !== false |
| 12 | ? getenv( 'MW_INSTALL_PATH' ) . '/maintenance/Maintenance.php' |
| 13 | : __DIR__ . '/../../../maintenance/Maintenance.php'; |
| 14 | |
| 15 | /** |
| 16 | * Maintenance script that removes invalid notifications |
| 17 | * |
| 18 | * @ingroup Maintenance |
| 19 | */ |
| 20 | class RemoveInvalidNotification extends Maintenance { |
| 21 | |
| 22 | /** @var string[] */ |
| 23 | protected $invalidEventType = [ 'article-linked' ]; |
| 24 | |
| 25 | public function __construct() { |
| 26 | parent::__construct(); |
| 27 | |
| 28 | $this->addDescription( "Removes invalid notifications from the database." ); |
| 29 | $this->setBatchSize( 500 ); |
| 30 | $this->requireExtension( 'Echo' ); |
| 31 | } |
| 32 | |
| 33 | public function execute() { |
| 34 | $lbFactory = DbFactory::newFromDefault(); |
| 35 | if ( !$this->invalidEventType ) { |
| 36 | $this->output( "There is nothing to process\n" ); |
| 37 | |
| 38 | return; |
| 39 | } |
| 40 | |
| 41 | $dbw = $lbFactory->getEchoDb( DB_PRIMARY ); |
| 42 | $dbr = $lbFactory->getEchoDb( DB_REPLICA ); |
| 43 | |
| 44 | $batchSize = $this->getBatchSize(); |
| 45 | $count = $batchSize; |
| 46 | |
| 47 | while ( $count == $batchSize ) { |
| 48 | $res = $dbr->newSelectQueryBuilder() |
| 49 | ->select( 'event_id' ) |
| 50 | ->from( 'echo_event' ) |
| 51 | ->where( [ |
| 52 | 'event_type' => $this->invalidEventType, |
| 53 | ] ) |
| 54 | ->limit( $batchSize ) |
| 55 | ->caller( __METHOD__ ) |
| 56 | ->fetchResultSet(); |
| 57 | |
| 58 | $event = []; |
| 59 | $count = 0; |
| 60 | foreach ( $res as $row ) { |
| 61 | // @phan-suppress-next-line PhanPossiblyUndeclaredVariable |
| 62 | if ( !in_array( $row->event_id, $event ) ) { |
| 63 | $event[] = $row->event_id; |
| 64 | } |
| 65 | $count++; |
| 66 | } |
| 67 | |
| 68 | if ( $event ) { |
| 69 | $this->beginTransaction( $dbw, __METHOD__ ); |
| 70 | |
| 71 | $dbw->newDeleteQueryBuilder() |
| 72 | ->deleteFrom( 'echo_event' ) |
| 73 | ->where( [ 'event_id' => $event ] ) |
| 74 | ->caller( __METHOD__ ) |
| 75 | ->execute(); |
| 76 | $dbw->newDeleteQueryBuilder() |
| 77 | ->deleteFrom( 'echo_notification' ) |
| 78 | ->where( [ 'notification_event' => $event ] ) |
| 79 | ->caller( __METHOD__ ) |
| 80 | ->execute(); |
| 81 | |
| 82 | $this->commitTransaction( $dbw, __METHOD__ ); |
| 83 | |
| 84 | $this->output( "processing " . count( $event ) . " invalid events\n" ); |
| 85 | $this->waitForReplication(); |
| 86 | } |
| 87 | |
| 88 | // Cleanup is not necessary for |
| 89 | // 1. echo_email_batch, invalid notification is removed during the cron |
| 90 | } |
| 91 | } |
| 92 | } |
| 93 | |
| 94 | $maintClass = RemoveInvalidNotification::class; |
| 95 | require_once RUN_MAINTENANCE_IF_MAIN; |