242df680ce
It's unreasonable to expect newbies to know that "bug 12345" means "Task T14345" except where it doesn't, so let's just standardise on the real numbers. This includes renaming fixBug20757.php to fixT22757.php for similar consistency. Change-Id: If81a590d658fbd82c20c54ac47dfdc8856745ca3
109 lines
3.5 KiB
PHP
109 lines
3.5 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 = $this->getDB( DB_MASTER );
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$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->error( "Nothing to do - no users in the '$oldGroup' group", true );
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}
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# Do remaining chunk
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$end += $this->mBatchSize - 1;
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$blockStart = $start;
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$blockEnd = $start + $this->mBatchSize - 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 $blockStart AND $blockEnd" ],
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__METHOD__,
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[ 'IGNORE' ]
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);
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$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 $blockStart AND $blockEnd" ],
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__METHOD__
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);
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$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 $blockStart AND $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 += $this->mBatchSize;
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$blockEnd += $this->mBatchSize;
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wfWaitForSlaves();
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}
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$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";
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require_once RUN_MAINTENANCE_IF_MAIN;
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