110 lines
3.6 KiB
PHP
110 lines
3.6 KiB
PHP
<?php
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/**
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* Re-assign users from an old group to a new one
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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* @ingroup Maintenance
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*/
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require_once __DIR__ . '/Maintenance.php';
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/**
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* Maintenance script that re-assigns users from an old group to a new one.
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*
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* @ingroup Maintenance
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*/
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class MigrateUserGroup extends Maintenance {
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public function __construct() {
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parent::__construct();
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$this->addDescription( 'Re-assign users from an old group to a new one' );
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$this->addArg( 'oldgroup', 'Old user group key', true );
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$this->addArg( 'newgroup', 'New user group key', true );
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$this->setBatchSize( 200 );
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}
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public function execute() {
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$count = 0;
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$oldGroup = $this->getArg( 0 );
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$newGroup = $this->getArg( 1 );
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$dbw = $this->getDB( DB_PRIMARY );
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$batchSize = $this->getBatchSize();
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$start = $dbw->selectField( 'user_groups', 'MIN(ug_user)',
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[ 'ug_group' => $oldGroup ], __FUNCTION__ );
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$end = $dbw->selectField( 'user_groups', 'MAX(ug_user)',
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[ 'ug_group' => $oldGroup ], __FUNCTION__ );
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if ( $start === null ) {
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$this->fatalError( "Nothing to do - no users in the '$oldGroup' group" );
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}
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# Do remaining chunk
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$end += $batchSize - 1;
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$blockStart = $start;
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$blockEnd = $start + $batchSize - 1;
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// Migrate users over in batches...
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while ( $blockEnd <= $end ) {
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$affected = 0;
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$this->output( "Doing users $blockStart to $blockEnd\n" );
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$this->beginTransaction( $dbw, __METHOD__ );
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$dbw->update( 'user_groups',
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[ 'ug_group' => $newGroup ],
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[ 'ug_group' => $oldGroup,
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"ug_user BETWEEN " . (int)$blockStart . " AND " . (int)$blockEnd ],
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__METHOD__,
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[ 'IGNORE' ]
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);
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$affected += $dbw->affectedRows();
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// Delete rows that the UPDATE operation above had to ignore.
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// This happens when a user is in both the old and new group.
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// Updating the row for the old group membership failed since
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// user/group is UNIQUE.
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$dbw->delete( 'user_groups',
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[ 'ug_group' => $oldGroup,
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"ug_user BETWEEN " . (int)$blockStart . " AND " . (int)$blockEnd ],
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__METHOD__
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);
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$affected += $dbw->affectedRows();
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$this->commitTransaction( $dbw, __METHOD__ );
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// Clear cache for the affected users (T42340)
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if ( $affected > 0 ) {
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// XXX: This also invalidates cache of unaffected users that
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// were in the new group and not in the group.
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$res = $dbw->select( 'user_groups', 'ug_user',
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[ 'ug_group' => $newGroup,
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"ug_user BETWEEN " . (int)$blockStart . " AND " . (int)$blockEnd ],
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__METHOD__
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);
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if ( $res !== false ) {
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foreach ( $res as $row ) {
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$user = User::newFromId( $row->ug_user );
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$user->invalidateCache();
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}
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}
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}
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$count += $affected;
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$blockStart += $batchSize;
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$blockEnd += $batchSize;
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}
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$this->output( "Done! $count users in group '$oldGroup' are now in '$newGroup' instead.\n" );
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}
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}
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$maintClass = MigrateUserGroup::class;
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require_once RUN_MAINTENANCE_IF_MAIN;
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