From: Brion Vibber <brion@users.mediawiki.org>
Date: Wed, 8 Jun 2005 13:08:34 +0000 (+0000)
Subject: Quickie namespace title conflict checker/resolver script.
X-Git-Tag: 1.5.0beta1~209
X-Git-Url: http://git.cyclocoop.org/fichier?a=commitdiff_plain;h=4b326c88058d87d65f762c85c3740933078bbd32;p=lhc%2Fweb%2Fwiklou.git

Quickie namespace title conflict checker/resolver script.
Should work on 1.4 as well as 1.5.
---

diff --git a/maintenance/namespaceDupes.php b/maintenance/namespaceDupes.php
new file mode 100644
index 0000000000..94e43bcef4
--- /dev/null
+++ b/maintenance/namespaceDupes.php
@@ -0,0 +1,169 @@
+<?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.,
+# 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+# http://www.gnu.org/copyleft/gpl.html
+
+$options = array( 'fix' );
+
+/** */
+require_once( 'commandLine.inc' );
+#require_once( 'maintenance/userDupes.inc' );
+
+class NamespaceConflictChecker {
+	function NamespaceConflictChecker( &$db ) {
+		$this->db =& $db;
+	}
+	
+	function checkAll( $fix ) {
+		global $wgContLang;
+		$spaces = $wgContLang->getNamespaces();
+		$ok = true;
+		foreach( $spaces as $ns => $name ) {
+			$ok = $this->checkNamespace( $ns, $name, $fix ) && $ok;
+		}
+		return $ok;
+	}
+	
+	function checkNamespace( $ns, $name, $fix ) {
+		echo "Checking namespace $ns: \"$name\"\n";
+		if( $name == '' ) {
+			echo "... skipping article namespace\n";
+			return;
+		}
+		
+		$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 );
+			$ok = $ok && $resolvable;
+			if( $fix && $resolvable ) {
+				$ok = $this->resolveConflict( $row ) && $ok;
+			}
+		}
+		return $ok;
+	}
+	
+	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 ) {
+		$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 ) {
+		$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 );
+		return true;
+	}
+	
+	function newSchema() {
+		global $wgVersion;
+		return version_compare( $wgVersion, '1.5alpha', 'ge' );
+	}
+	
+	function pageTable() {
+		if( $this->newSchema() ) {
+			return 'page';
+		} else {
+			return 'cur';
+		}
+	}
+}
+
+
+
+
+$wgTitle = Title::newFromText( 'Namespace title conflict cleanup script' );
+
+$fix = isset( $options['fix'] );
+$dbw =& wfGetDB( DB_MASTER );
+$duper = new NamespaceConflictChecker( $dbw );
+$retval = $duper->checkAll( $fix );
+
+if( $retval ) {
+	echo "\nLooks good!\n";
+	exit( 0 );
+} else {
+	echo "\nOh noeees\n";
+	exit( -1 );
+}
+
+?>
\ No newline at end of file