* Helper class for update.php.
*
* Copyright © 2005 Brion Vibber <brion@pobox.com>
- * http://www.mediawiki.org/
+ * https://www.mediawiki.org/
*
* 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
* @ingroup Maintenance
*/
+use Wikimedia\Rdbms\IMaintainableDatabase;
+
/**
* Look for duplicate user table entries and optionally prune them.
*
* @ingroup Maintenance
*/
class UserDupes {
+ /**
+ * @var IMaintainableDatabase
+ */
private $db;
private $reassigned;
private $trimmed;
private $failed;
private $outputCallback;
- function __construct( &$database, $outputCallback ) {
+ /**
+ * UserDupes constructor.
+ * @param IMaintainableDatabase &$database
+ * @param callback $outputCallback
+ */
+ public function __construct( &$database, $outputCallback ) {
$this->db = $database;
$this->outputCallback = $outputCallback;
}
/**
* Output some text via the output callback provided
- * @param $str String Text to print
+ * @param string $str Text to print
*/
private function out( $str ) {
call_user_func( $this->outputCallback, $str );
* user_name index applied.
* @return bool
*/
- function hasUniqueIndex() {
+ public function hasUniqueIndex() {
$info = $this->db->indexInfo( 'user', 'user_name', __METHOD__ );
if ( !$info ) {
$this->out( "WARNING: doesn't seem to have user_name index at all!\n" );
+
return false;
}
*
* @return bool
*/
- function clearDupes() {
+ public function clearDupes() {
return $this->checkDupes( true );
}
* not requested. (If doing resolution, edits may be reassigned.)
* Status information will be echo'd to stdout.
*
- * @param $doDelete bool: pass true to actually remove things
- * from the database; false to just check.
+ * @param bool $doDelete Pass true to actually remove things
+ * from the database; false to just check.
* @return bool
*/
- function checkDupes( $doDelete = false ) {
+ private function checkDupes( $doDelete = false ) {
if ( $this->hasUniqueIndex() ) {
echo wfWikiID() . " already has a unique index on its user table.\n";
+
return true;
}
if ( $this->reassigned > 0 ) {
if ( $doDelete ) {
- $this->out( "$this->reassigned duplicate accounts had edits reassigned to a canonical record id.\n" );
+ $this->out( "$this->reassigned duplicate accounts had edits "
+ . "reassigned to a canonical record id.\n" );
} else {
$this->out( "$this->reassigned duplicate accounts need to have edits reassigned.\n" );
}
if ( $this->trimmed > 0 ) {
if ( $doDelete ) {
- $this->out( "$this->trimmed duplicate user records were deleted from " . wfWikiID() . ".\n" );
+ $this->out( "$this->trimmed duplicate user records were deleted from "
+ . wfWikiID() . ".\n" );
} else {
- $this->out( "$this->trimmed duplicate user accounts were found on " . wfWikiID() . " which can be removed safely.\n" );
+ $this->out( "$this->trimmed duplicate user accounts were found on "
+ . wfWikiID() . " which can be removed safely.\n" );
}
}
if ( $this->failed > 0 ) {
$this->out( "Something terribly awry; $this->failed duplicate accounts were not removed.\n" );
+
return false;
}
if ( $this->trimmed == 0 || $doDelete ) {
$this->out( "It is now safe to apply the unique index on user_name.\n" );
+
return true;
} else {
$this->out( "Run this script again with the --fix option to automatically delete them.\n" );
+
return false;
}
}
/**
* We don't want anybody to mess with our stuff...
- * @access private
*/
- function lock() {
- $set = array( 'user', 'revision' );
- $names = array_map( array( $this, 'lockTable' ), $set );
+ private function lock() {
+ $set = [ 'user', 'revision' ];
+ $names = array_map( [ $this, 'lockTable' ], $set );
$tables = implode( ',', $names );
$this->db->query( "LOCK TABLES $tables", __METHOD__ );
}
- function lockTable( $table ) {
+ private function lockTable( $table ) {
return $this->db->tableName( $table ) . ' WRITE';
}
/**
- * @access private
+ * @private
*/
- function unlock() {
+ private function unlock() {
$this->db->query( "UNLOCK TABLES", __METHOD__ );
}
/**
* Grab usernames for which multiple records are present in the database.
* @return array
- * @access private
*/
- function getDupes() {
+ private function getDupes() {
$user = $this->db->tableName( 'user' );
$result = $this->db->query(
"SELECT user_name,COUNT(*) AS n
FROM $user
GROUP BY user_name
- HAVING n > 1", __METHOD__ );
+ HAVING n > 1", __METHOD__ );
- $list = array();
+ $list = [];
foreach ( $result as $row ) {
$list[] = $row->user_name;
}
+
return $list;
}
* Examine user records for the given name. Try to see which record
* will be the one that actually gets used, then check remaining records
* for edits. If the dupes have no edits, we can safely remove them.
- * @param $name string
- * @param $doDelete bool
- * @access private
+ * @param string $name
+ * @param bool $doDelete
*/
- function examine( $name, $doDelete ) {
+ private function examine( $name, $doDelete ) {
$result = $this->db->select( 'user',
- array( 'user_id' ),
- array( 'user_name' => $name ),
+ [ 'user_id' ],
+ [ 'user_name' => $name ],
__METHOD__ );
$firstRow = $this->db->fetchObject( $result );
* Count the number of edits attributed to this user.
* Does not currently check log table or other things
* where it might show up...
- * @param $userid int
+ * @param int $userid
* @return int
- * @access private
*/
- function editCount( $userid ) {
+ private function editCount( $userid ) {
return intval( $this->db->selectField(
'revision',
'COUNT(*)',
- array( 'rev_user' => $userid ),
+ [ 'rev_user' => $userid ],
__METHOD__ ) );
}
/**
- * @param $from int
- * @param $to int
- * @access private
+ * @param int $from
+ * @param int $to
*/
- function reassignEdits( $from, $to ) {
+ private function reassignEdits( $from, $to ) {
$this->out( 'reassigning... ' );
$this->db->update( 'revision',
- array( 'rev_user' => $to ),
- array( 'rev_user' => $from ),
+ [ 'rev_user' => $to ],
+ [ 'rev_user' => $from ],
__METHOD__ );
$this->out( "ok. " );
}
/**
* Remove a user account line.
- * @param $userid int
- * @access private
+ * @param int $userid
*/
- function trimAccount( $userid ) {
+ private function trimAccount( $userid ) {
$this->out( "deleting..." );
- $this->db->delete( 'user', array( 'user_id' => $userid ), __METHOD__ );
+ $this->db->delete( 'user', [ 'user_id' => $userid ], __METHOD__ );
$this->out( " ok" );
}
-
}