3 * Check for articles to fix after adding/deleting namespaces
5 * Copyright (C) 2005-2007 Brion Vibber <brion@pobox.com>
6 * http://www.mediawiki.org/
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License along
19 * with this program; if not, write to the Free Software Foundation, Inc.,
20 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
21 * http://www.gnu.org/copyleft/gpl.html
23 * @ingroup Maintenance
26 require_once( dirname(__FILE__
) . '/Maintenance.php' );
28 class NamespaceConflictChecker
extends Maintenance
{
29 public function __construct() {
30 parent
::__construct();
31 $this->mDescription
= "";
32 $this->addOption( 'fix', 'Attempt to automatically fix errors' );
33 $this->addOption( 'suffix', "Dupes will be renamed with correct namespace with\n" .
34 "\t\t<text> Appended after the article name", false, true );
35 $this->addOption( 'prefix', "Do an explicit check for the given title prefix\n" .
36 "\t\tappended after the article name", false, true );
39 public function execute() {
42 $this->db
= wfGetDB( DB_MASTER
);
43 $wgTitle = Title
::newFromText( 'Namespace title conflict cleanup script' );
45 $fix = $this->hasOption( 'fix' );
46 $suffix = $this->getOption( 'suffix', '' );
47 $prefix = $this->getOption( 'prefix', '' );
48 $key = intval( $this->getOption( 'key', 0 ) );
51 $retval = $this->checkPrefix( $key, $prefix, $fix, $suffix );
53 $retval = $this->checkAll( $fix, $suffix );
57 $this->output( "\nLooks good!\n" );
59 $this->output( "\nOh noeees\n" );
65 * @param $fix bool Whether or not to fix broken entries
66 * @param $suffix String Suffix to append to renamed articles
68 private function checkAll( $fix, $suffix = '' ) {
69 global $wgContLang, $wgNamespaceAliases, $wgCanonicalNamespaceNames;
70 global $wgCapitalLinks;
74 // List interwikis first, so they'll be overridden
75 // by any conflicting local namespaces.
76 foreach( $this->getInterwikiList() as $prefix ) {
77 $name = $wgContLang->ucfirst( $prefix );
81 // Now pull in all canonical and alias namespaces...
82 foreach( $wgCanonicalNamespaceNames as $ns => $name ) {
83 // This includes $wgExtraNamespaces
88 foreach( $wgContLang->getNamespaces() as $ns => $name ) {
93 foreach( $wgNamespaceAliases as $name => $ns ) {
96 foreach( $wgContLang->namespaceAliases
as $name => $ns ) {
100 // We'll need to check for lowercase keys as well,
101 // since we're doing case-sensitive searches in the db.
102 foreach( $spaces as $name => $ns ) {
103 $moreNames = array();
104 $moreNames[] = $wgContLang->uc( $name );
105 $moreNames[] = $wgContLang->ucfirst( $wgContLang->lc( $name ) );
106 $moreNames[] = $wgContLang->ucwords( $name );
107 $moreNames[] = $wgContLang->ucwords( $wgContLang->lc( $name ) );
108 $moreNames[] = $wgContLang->ucwordbreaks( $name );
109 $moreNames[] = $wgContLang->ucwordbreaks( $wgContLang->lc( $name ) );
110 if( !$wgCapitalLinks ) {
111 foreach( $moreNames as $altName ) {
112 $moreNames[] = $wgContLang->lcfirst( $altName );
114 $moreNames[] = $wgContLang->lcfirst( $name );
116 foreach( array_unique( $moreNames ) as $altName ) {
117 if( $altName !== $name ) {
118 $spaces[$altName] = $ns;
127 foreach( $spaces as $name => $ns ) {
128 $ok = $this->checkNamespace( $ns, $name, $fix, $suffix ) && $ok;
134 * Get the interwiki list
135 * @todo Needs to respect interwiki cache!
138 private function getInterwikiList() {
139 $result = $this->db
->select( 'interwiki', array( 'iw_prefix' ) );
141 foreach( $result as $row ) {
142 $prefixes[] = $row->iw_prefix
;
144 $this->db
->freeResult( $result );
150 * @param $ns int A namespace id
151 * @param $name String
152 * @param $fix bool Whether to fix broken entries
153 * @param $suffix String Suffix to append to renamed articles
155 private function checkNamespace( $ns, $name, $fix, $suffix = '' ) {
157 $header = "Checking interwiki prefix: \"$name\"\n";
159 $header = "Checking namespace $ns: \"$name\"\n";
162 $conflicts = $this->getConflicts( $ns, $name );
163 $count = count( $conflicts );
165 $this->output( $header . "... no conflict detected!\n" );
169 $this->output( $header . "... $count conflicts detected:\n" );
171 foreach( $conflicts as $row ) {
172 $resolvable = $this->reportConflict( $row, $suffix );
173 $ok = $ok && $resolvable;
174 if( $fix && ( $resolvable ||
$suffix != '' ) ) {
175 $ok = $this->resolveConflict( $row, $resolvable, $suffix ) && $ok;
182 * @todo: do this for reals
184 private function checkPrefix( $key, $prefix, $fix, $suffix = '' ) {
185 $this->output( "Checking prefix \"$prefix\" vs namespace $key\n" );
186 return $this->checkNamespace( $key, $prefix, $fix, $suffix );
190 * Find pages in mainspace that have a prefix of the new namespace
191 * so we know titles that will need migrating
192 * @param $ns int Namespace id (id for new namespace?)
193 * @param $name String Prefix that is being made a namespace
195 private function getConflicts( $ns, $name ) {
197 $table = $this->db
->tableName( $page );
199 $prefix = $this->db
->strencode( $name );
200 $likeprefix = str_replace( '_', '\\_', $prefix);
201 $encNamespace = $this->db
->addQuotes( $ns );
203 $titleSql = "TRIM(LEADING '$prefix:' FROM {$page}_title)";
205 // An interwiki; try an alternate encoding with '-' for ':'
206 $titleSql = $this->db
->buildConcat( array( "'$prefix-'", $titleSql ) );
209 $sql = "SELECT {$page}_id AS id,
210 {$page}_title AS oldtitle,
211 $encNamespace AS namespace,
214 WHERE {$page}_namespace=0
215 AND {$page}_title LIKE '$likeprefix:%'";
217 $result = $this->db
->query( $sql, __METHOD__
);
220 foreach( $result as $row ) {
223 $this->db
->freeResult( $result );
229 * Report any conflicts we find
231 private function reportConflict( $row, $suffix ) {
232 $newTitle = Title
::makeTitleSafe( $row->namespace, $row->title
);
233 if( is_null($newTitle) ||
!$newTitle->canExist() ) {
234 // Title is also an illegal title...
235 // For the moment we'll let these slide to cleanupTitles or whoever.
236 $this->output( sprintf( "... %d (0,\"%s\")\n",
239 $this->output( "... *** cannot resolve automatically; illegal title ***\n" );
243 $this->output( sprintf( "... %d (0,\"%s\") -> (%d,\"%s\") [[%s]]\n",
246 $newTitle->getNamespace(),
247 $newTitle->getDBkey(),
248 $newTitle->getPrefixedText() ) );
250 $id = $newTitle->getArticleId();
252 $this->output( "... *** cannot resolve automatically; page exists with ID $id ***\n" );
260 * Resolve any conflicts
261 * @param $row Row from the page table to fix
262 * @param $resolveable bool
263 * @param $suffix String Suffix to append to the fixed page
265 private function resolveConflict( $row, $resolvable, $suffix ) {
267 $this->output( "... *** old title {$row->title}\n" );
269 $row->title
.= $suffix;
270 $this->output( "... *** new title {$row->title}\n" );
271 $title = Title
::makeTitleSafe( $row->namespace, $row->title
);
273 $this->output( "... !!! invalid title\n" );
276 if ( $id = $title->getArticleId() ) {
277 $this->output( "... *** page exists with ID $id ***\n" );
282 $this->output( "... *** using suffixed form [[" . $title->getPrefixedText() . "]] ***\n" );
284 $tables = array( 'page' => 'page' );
285 foreach( $tables as $table ) {
286 $this->resolveConflictOn( $row, $table, $prefix );
292 * Resolve a given conflict
293 * @param $row Row from the old broken entry
294 * @param $table String Table to update
295 * @param $prefix String Prefix for column name, like page or ar
297 private function resolveConflictOn( $row, $table, $prefix ) {
298 $this->output( "... resolving on $table... " );
299 $newTitle = Title
::makeTitleSafe( $row->namespace, $row->title
);
300 $this->db
->update( $table,
302 "{$prefix}_namespace" => $newTitle->getNamespace(),
303 "{$prefix}_title" => $newTitle->getDBkey(),
306 "{$prefix}_namespace" => 0,
307 "{$prefix}_title" => $row->oldtitle
,
310 $this->output( "ok.\n" );
315 $maintClass = "NamespaceConflictChecker";
316 require_once( DO_MAINTENANCE
);