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| 1 | <?php |
| 2 | /** |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License as published by |
| 5 | * the Free Software Foundation; either version 2 of the License, or |
| 6 | * (at your option) any later version. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License along |
| 14 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 16 | * http://www.gnu.org/copyleft/gpl.html |
| 17 | * |
| 18 | * @file |
| 19 | */ |
| 20 | |
| 21 | use MediaWiki\MainConfigNames; |
| 22 | use MediaWiki\MediaWikiServices; |
| 23 | |
| 24 | /** |
| 25 | * Job for clearing all of the "last viewed" timestamps for a user's watchlist, or setting them all |
| 26 | * to the same value. |
| 27 | * |
| 28 | * Job parameters include: |
| 29 | * - userId: affected user ID [required] |
| 30 | * - casTime: UNIX timestamp of the event that triggered this job [required] |
| 31 | * - timestamp: value to set all of the "last viewed" timestamps to [optional, defaults to null] |
| 32 | * |
| 33 | * @since 1.31 |
| 34 | * @ingroup JobQueue |
| 35 | */ |
| 36 | class ClearWatchlistNotificationsJob extends Job implements GenericParameterJob { |
| 37 | public function __construct( array $params ) { |
| 38 | parent::__construct( 'clearWatchlistNotifications', $params ); |
| 39 | |
| 40 | static $required = [ 'userId', 'casTime' ]; |
| 41 | $missing = implode( ', ', array_diff( $required, array_keys( $this->params ) ) ); |
| 42 | if ( $missing != '' ) { |
| 43 | throw new InvalidArgumentException( "Missing parameter(s) $missing" ); |
| 44 | } |
| 45 | |
| 46 | $this->removeDuplicates = true; |
| 47 | } |
| 48 | |
| 49 | public function run() { |
| 50 | $services = MediaWikiServices::getInstance(); |
| 51 | $dbProvider = $services->getConnectionProvider(); |
| 52 | $rowsPerQuery = $services->getMainConfig()->get( MainConfigNames::UpdateRowsPerQuery ); |
| 53 | |
| 54 | $dbw = $dbProvider->getPrimaryDatabase(); |
| 55 | $ticket = $dbProvider->getEmptyTransactionTicket( __METHOD__ ); |
| 56 | if ( !isset( $this->params['timestamp'] ) ) { |
| 57 | $timestamp = null; |
| 58 | $timestampCond = $dbw->expr( 'wl_notificationtimestamp', '!=', null ); |
| 59 | } else { |
| 60 | $timestamp = $dbw->timestamp( $this->params['timestamp'] ); |
| 61 | $timestampCond = $dbw->expr( 'wl_notificationtimestamp', '!=', $timestamp ) |
| 62 | ->or( 'wl_notificationtimestamp', '=', null ); |
| 63 | } |
| 64 | // New notifications since the reset should not be cleared |
| 65 | $casTimeCond = $dbw->expr( 'wl_notificationtimestamp', '<', $dbw->timestamp( $this->params['casTime'] ) ) |
| 66 | ->or( 'wl_notificationtimestamp', '=', null ); |
| 67 | |
| 68 | $firstBatch = true; |
| 69 | do { |
| 70 | $idsToUpdate = $dbw->newSelectQueryBuilder() |
| 71 | ->select( 'wl_id' ) |
| 72 | ->from( 'watchlist' ) |
| 73 | ->where( [ 'wl_user' => $this->params['userId'] ] ) |
| 74 | ->andWhere( $timestampCond ) |
| 75 | ->andWhere( $casTimeCond ) |
| 76 | ->limit( $rowsPerQuery ) |
| 77 | ->caller( __METHOD__ )->fetchFieldValues(); |
| 78 | |
| 79 | if ( $idsToUpdate ) { |
| 80 | $dbw->newUpdateQueryBuilder() |
| 81 | ->update( 'watchlist' ) |
| 82 | ->set( [ 'wl_notificationtimestamp' => $timestamp ] ) |
| 83 | ->where( [ 'wl_id' => $idsToUpdate ] ) |
| 84 | ->andWhere( $casTimeCond ) |
| 85 | ->caller( __METHOD__ )->execute(); |
| 86 | if ( !$firstBatch ) { |
| 87 | $dbProvider->commitAndWaitForReplication( __METHOD__, $ticket ); |
| 88 | } |
| 89 | $firstBatch = false; |
| 90 | } |
| 91 | } while ( $idsToUpdate ); |
| 92 | return true; |
| 93 | } |
| 94 | } |