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<?php
# Copyright (C) 2005 Brion Vibber <brion@pobox.com>
# http://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
# 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
$options = array( 'fix', 'suffix', 'help' );
/** */
require_once( 'commandLine.inc' );
#require_once( 'maintenance/userDupes.inc' );
if(isset( $options['help'] ) ) {
print <<<END
usage: namespaceDupes.php [--fix] [--suffix=<text>] [--help]
--help : this help message
--fix : attempt to automatically fix errors
--suffix=<text> : dupes will be renamed with correct namespace with <text>
appended after the article name.
END;
die;
}
class NamespaceConflictChecker {
function NamespaceConflictChecker( &$db ) {
$this->db =& $db;
}
function checkAll( $fix, $suffix = '' ) {
global $wgContLang;
$spaces = $wgContLang->getNamespaces();
$ok = true;
foreach( $spaces as $ns => $name ) {
$ok = $this->checkNamespace( $ns, $name, $fix, $suffix ) && $ok;
}
return $ok;
}
function checkNamespace( $ns, $name, $fix, $suffix = '' ) {
echo "Checking namespace $ns: \"$name\"\n";
if( $name == '' ) {
echo "... skipping article namespace\n";
return true;
}
$conflicts = $this->getConflicts( $ns, $name );
$count = count( $conflicts );
if( $count == 0 ) {
echo "... no conflicts detected!\n";
return true;
}
echo "... $count conflicts detected:\n";
$ok = true;
foreach( $conflicts as $row ) {
$resolvable = $this->reportConflict( $row, $suffix );
$ok = $ok && $resolvable;
if( $fix && ( $resolvable || $suffix != '' ) ) {
$ok = $this->resolveConflict( $row, $resolvable, $suffix ) && $ok;
}
}
return $ok;
}
/**
* @fixme: do this for reals
*/
function checkPrefix( $key, $prefix, $fix, $suffix = '' ) {
echo "Checking prefix \"$prefix\" vs namespace $key\n";
return $this->checkNamespace( $key, $prefix, $fix, $suffix );
}
function getConflicts( $ns, $name ) {
$page = $this->newSchema() ? 'page' : 'cur';
$table = $this->db->tableName( $page );
$prefix = $this->db->strencode( $name );
$likeprefix = str_replace( '_', '\\_', $prefix);
$sql = "SELECT {$page}_id AS id,
{$page}_title AS oldtitle,
$ns AS namespace,
TRIM(LEADING '$prefix:' FROM {$page}_title) AS title
FROM {$table}
WHERE {$page}_namespace=0
AND {$page}_title LIKE '$likeprefix:%'";
$result = $this->db->query( $sql, 'NamespaceConflictChecker::getConflicts' );
$set = array();
while( $row = $this->db->fetchObject( $result ) ) {
$set[] = $row;
}
$this->db->freeResult( $result );
return $set;
}
function reportConflict( $row, $suffix ) {
$newTitle = Title::makeTitle( $row->namespace, $row->title );
printf( "... %d (0,\"%s\") -> (%d,\"%s\") [[%s]]\n",
$row->id,
$row->oldtitle,
$row->namespace,
$row->title,
$newTitle->getPrefixedText() );
$id = $newTitle->getArticleId();
if( $id ) {
echo "... *** cannot resolve automatically; page exists with ID $id ***\n";
return false;
} else {
return true;
}
}
function resolveConflict( $row, $resolvable, $suffix ) {
if( !$resolvable ) {
$row->title .= $suffix;
$title = Title::makeTitle( $row->namespace, $row->title );
echo "... *** using suffixed form [[" . $title->getPrefixedText() . "]] ***\n";
}
$tables = $this->newSchema()
? array( 'page' )
: array( 'cur', 'old' );
foreach( $tables as $table ) {
$this->resolveConflictOn( $row, $table );
}
return true;
}
function resolveConflictOn( $row, $table ) {
$fname = 'NamespaceConflictChecker::resolveConflictOn';
echo "... resolving on $table... ";
$this->db->update( $table,
array(
"{$table}_namespace" => $row->namespace,
"{$table}_title" => $row->title,
),
array(
"{$table}_namespace" => 0,
"{$table}_title" => $row->oldtitle,
),
$fname );
echo "ok.\n";
return true;
}
function newSchema() {
return class_exists( 'Revision' );
}
}
$wgTitle = Title::newFromText( 'Namespace title conflict cleanup script' );
$fix = isset( $options['fix'] );
$suffix = isset( $options['suffix'] ) ? $options['suffix'] : '';
$prefix = isset( $options['prefix'] ) ? $options['prefix'] : '';
$key = isset( $options['key'] ) ? intval( $options['key'] ) : 0;
$dbw =& wfGetDB( DB_MASTER );
$duper = new NamespaceConflictChecker( $dbw );
if( $prefix ) {
$retval = $duper->checkPrefix( $key, $prefix, $fix, $suffix );
} else {
$retval = $duper->checkAll( $fix, $suffix );
}
if( $retval ) {
echo "\nLooks good!\n";
exit( 0 );
} else {
echo "\nOh noeees\n";
exit( -1 );
}
?>
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