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| 1 | <?php |
| 2 | |
| 3 | namespace GrowthExperiments\Maintenance; |
| 4 | |
| 5 | use DateTime; |
| 6 | use Exception; |
| 7 | use GrowthExperiments\GrowthExperimentsServices; |
| 8 | use GrowthExperiments\UserImpact\DatabaseUserImpactStore; |
| 9 | use Maintenance; |
| 10 | use MediaWiki\MediaWikiServices; |
| 11 | use Wikimedia\Rdbms\SelectQueryBuilder; |
| 12 | use Wikimedia\Timestamp\ConvertibleTimestamp; |
| 13 | |
| 14 | $IP = getenv( 'MW_INSTALL_PATH' ); |
| 15 | if ( $IP === false ) { |
| 16 | $IP = __DIR__ . '/../../..'; |
| 17 | } |
| 18 | require_once "$IP/maintenance/Maintenance.php"; |
| 19 | |
| 20 | class DeleteExpiredUserImpactData extends Maintenance { |
| 21 | |
| 22 | public function __construct() { |
| 23 | parent::__construct(); |
| 24 | $this->requireExtension( 'GrowthExperiments' ); |
| 25 | $this->addDescription( 'Delete unused old data from the growthexperiments_user_impact table.' ); |
| 26 | $this->addOption( 'expiry', 'A relative timestring fragment passed to DateTime, such as "30days".', |
| 27 | false, true ); |
| 28 | $this->setBatchSize( 100 ); |
| 29 | } |
| 30 | |
| 31 | /** @inheritDoc */ |
| 32 | public function execute() { |
| 33 | $services = MediaWikiServices::getInstance(); |
| 34 | $growthServices = GrowthExperimentsServices::wrap( $services ); |
| 35 | $dbw = $growthServices->getLoadBalancer()->getConnection( DB_PRIMARY ); |
| 36 | |
| 37 | $expiry = $this->getOption( 'expiry', '30days' ); |
| 38 | $expiryTimestamp = $this->getTimestampFromRelativeDate( $expiry ); |
| 39 | |
| 40 | $queryBuilder = $dbw->newSelectQueryBuilder() |
| 41 | ->select( 'geui_user_id' ) |
| 42 | ->from( DatabaseUserImpactStore::TABLE_NAME ) |
| 43 | ->where( $dbw->expr( 'geui_timestamp', '<', $dbw->timestamp( $expiryTimestamp ) ) ) |
| 44 | ->orderBy( 'geui_timestamp', SelectQueryBuilder::SORT_ASC ) |
| 45 | ->limit( $this->getBatchSize() ) |
| 46 | ->caller( __METHOD__ ); |
| 47 | |
| 48 | $deletedCount = 0; |
| 49 | $idsToDelete = $queryBuilder->fetchFieldValues(); |
| 50 | while ( $idsToDelete !== [] ) { |
| 51 | $dbw->newDeleteQueryBuilder() |
| 52 | ->deleteFrom( DatabaseUserImpactStore::TABLE_NAME ) |
| 53 | ->where( [ 'geui_user_id' => $idsToDelete ] ) |
| 54 | ->caller( __METHOD__ ) |
| 55 | ->execute(); |
| 56 | $deletedCount += count( $idsToDelete ); |
| 57 | $this->output( '.' ); |
| 58 | $this->waitForReplication(); |
| 59 | $idsToDelete = $queryBuilder->fetchFieldValues(); |
| 60 | } |
| 61 | $this->output( "\nDeleted $deletedCount rows\n" ); |
| 62 | } |
| 63 | |
| 64 | /** |
| 65 | * @param string $relativeDate A relative date string fragment that will be prefixed with a |
| 66 | * minus sign and passed to the DateTime constructor |
| 67 | * @return string TS_MW formatted timestamp |
| 68 | */ |
| 69 | private function getTimestampFromRelativeDate( string $relativeDate ): string { |
| 70 | try { |
| 71 | $timestamp = new ConvertibleTimestamp( new DateTime( 'now - ' . $relativeDate ) ); |
| 72 | } catch ( Exception $e ) { |
| 73 | $this->fatalError( $e->getMessage() ); |
| 74 | } |
| 75 | return $timestamp->getTimestamp( TS_MW ); |
| 76 | } |
| 77 | |
| 78 | } |
| 79 | |
| 80 | $maintClass = DeleteExpiredUserImpactData::class; |
| 81 | require_once RUN_MAINTENANCE_IF_MAIN; |