From: Reedy <reedy@wikimedia.org>
Date: Sun, 29 Jul 2018 02:42:42 +0000 (+0100)
Subject: Add a maintenance script to remove all users from a User Group
X-Git-Tag: 1.34.0-rc.0~3996
X-Git-Url: https://git.heureux-cyclage.org/?p=lhc%2Fweb%2Fwiklou.git;a=commitdiff_plain;h=ed6d53fd38cbc08ad503174aa09d155dc9867a13

Add a maintenance script to remove all users from a User Group

Bug: T185989
Change-Id: Ie5cc95b350230bc730c1f1d9f06fc3e95c5f6bd0
---

diff --git a/autoload.php b/autoload.php
index d939089d70..33ee128db0 100644
--- a/autoload.php
+++ b/autoload.php
@@ -449,6 +449,7 @@ $wgAutoloadLocalClasses = [
 	'EmailNotification' => __DIR__ . '/includes/mail/EmailNotification.php',
 	'EmaillingJob' => __DIR__ . '/includes/jobqueue/jobs/EmaillingJob.php',
 	'EmptyBagOStuff' => __DIR__ . '/includes/libs/objectcache/EmptyBagOStuff.php',
+	'EmptyUserGroup' => __DIR__ . '/maintenance/emptyUserGroup.php',
 	'EnConverter' => __DIR__ . '/languages/classes/LanguageEn.php',
 	'EncryptedPassword' => __DIR__ . '/includes/password/EncryptedPassword.php',
 	'EnhancedChangesList' => __DIR__ . '/includes/changes/EnhancedChangesList.php',
diff --git a/maintenance/emptyUserGroup.php b/maintenance/emptyUserGroup.php
new file mode 100644
index 0000000000..03a38fcaa1
--- /dev/null
+++ b/maintenance/emptyUserGroup.php
@@ -0,0 +1,61 @@
+<?php
+
+/**
+ * Removes all users from a given user group.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ * @ingroup Maintenance
+ */
+
+require_once __DIR__ . '/Maintenance.php';
+
+use MediaWiki\MediaWikiServices;
+
+class EmptyUserGroup extends Maintenance {
+	public function __construct() {
+		parent::__construct();
+		$this->addDescription( 'Remove all users from a given user group' );
+		$this->addArg( 'group', 'Group to be removed', true );
+	}
+
+	public function execute() {
+		$group = $this->getArg( 0 );
+
+		$lb = MediaWikiServices::getInstance()->getDBLoadBalancerFactory();
+
+		$users = User::findUsersByGroup( $group );
+
+		$count = iterator_count( $users );
+
+		$this->output( "Removing $count users from $group..." );
+
+		/**
+		 * @var User $user
+		 */
+		foreach ( $users as $user ) {
+			$user->removeGroup( $group );
+
+			$lb->waitForReplication();
+		}
+
+		$this->output( " Done!\n" );
+	}
+}
+
+$maintClass = EmptyUserGroup::class;
+require_once RUN_MAINTENANCE_IF_MAIN;