From: Brion Vibber <brion@users.mediawiki.org>
Date: Wed, 8 Feb 2006 02:59:56 +0000 (+0000)
Subject: * (bug 4147) Added cleanupWatchlist.php to clear out bogus watchlist entries
X-Git-Tag: 1.6.0~357
X-Git-Url: http://git.cyclocoop.org/%7B%24admin_url%7Dcompta/comptes/journal.php?a=commitdiff_plain;h=481b4677e041bed16dc5e9a246872287c54a2146;p=lhc%2Fweb%2Fwiklou.git

* (bug 4147) Added cleanupWatchlist.php to clear out bogus watchlist entries
---

diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index eb2a94a5e2..8829e767df 100644
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -603,6 +603,7 @@ fully support the editing toolbar, but was found to be too confusing.
 * (bug 4828) Fix genitive month-name variable for cs, pl, uk
 * (bug 4842) Fix 'show number of watching users' with enhanced RC
 * (bug 4889) Fix image talk namespace for Tamil
+* (bug 4147) Added cleanupWatchlist.php to clear out bogus watchlist entries
 
 
 === Caveats ===
diff --git a/maintenance/cleanupWatchlist.php b/maintenance/cleanupWatchlist.php
new file mode 100644
index 0000000000..1a1d574144
--- /dev/null
+++ b/maintenance/cleanupWatchlist.php
@@ -0,0 +1,141 @@
+<?php
+/*
+ * Script to remove broken, unparseable titles in the Watchlist.
+ *
+ * Usage: php cleanupWatchlist.php [--fix]
+ * Options:
+ *   --fix  Actually remove entries; without will only report.
+ *
+ * Copyright (C) 2005,2006 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
+ *
+ * @author Brion Vibber <brion at pobox.com>
+ * @package MediaWiki
+ * @subpackage maintenance
+ */
+
+$options = array( 'fix' );
+
+require_once( 'commandLine.inc' );
+require_once( 'FiveUpgrade.inc' );
+
+class WatchlistCleanup extends FiveUpgrade {
+	function WatchlistCleanup( $dryrun = false ) {
+		parent::FiveUpgrade();
+
+		$this->maxLag = 10; # if slaves are lagged more than 10 secs, wait
+		$this->dryrun = $dryrun;
+	}
+
+	function cleanup() {
+		$this->runTable( 'watchlist',
+			'',
+			array( &$this, 'processEntry' ) );
+	}
+
+	function init( $count, $table ) {
+		$this->processed = 0;
+		$this->updated = 0;
+		$this->count = $count;
+		$this->startTime = wfTime();
+		$this->table = $table;
+	}
+
+	function progress( $updated ) {
+		$this->updated += $updated;
+		$this->processed++;
+		if( $this->processed % 100 != 0 ) {
+			return;
+		}
+		$portion = $this->processed / $this->count;
+		$updateRate = $this->updated / $this->processed;
+
+		$now = wfTime();
+		$delta = $now - $this->startTime;
+		$estimatedTotalTime = $delta / $portion;
+		$eta = $this->startTime + $estimatedTotalTime;
+
+		global $wgDBname;
+		printf( "%s %s: %6.2f%% done on %s; ETA %s [%d/%d] %.2f/sec <%.2f%% updated>\n",
+			$wgDBname,
+			wfTimestamp( TS_DB, intval( $now ) ),
+			$portion * 100.0,
+			$this->table,
+			wfTimestamp( TS_DB, intval( $eta ) ),
+			$this->processed,
+			$this->count,
+			$this->processed / $delta,
+			$updateRate * 100.0 );
+		flush();
+	}
+
+	function runTable( $table, $where, $callback ) {
+		$fname = 'WatchlistCleanup::runTable';
+
+		$count = $this->dbw->selectField( $table, 'count(*)', '', $fname );
+		$this->init( $count, 'watchlist' );
+		$this->log( "Processing $table..." );
+
+		$tableName = $this->dbr->tableName( $table );
+		$sql = "SELECT * FROM $tableName $where";
+		$result = $this->dbr->query( $sql, $fname );
+
+		while( $row = $this->dbr->fetchObject( $result ) ) {
+			$updated = call_user_func( $callback, $row );
+		}
+		$this->log( "Finished $table... $this->updated of $this->processed rows updated" );
+		$this->dbr->freeResult( $result );
+	}
+
+	function processEntry( $row ) {
+		global $wgContLang;
+
+		$current = Title::makeTitle( $row->wl_namespace, $row->wl_title );
+		$display = $current->getPrefixedText();
+
+		$verified = UtfNormal::cleanUp( $display );
+
+		$title = Title::newFromText( $verified );
+
+		if( $row->wl_user == 0 || is_null( $title ) || !$title->equals( $current ) ) {
+			$this->log( "invalid watch by {$row->wl_user} for ({$row->wl_namespace}, \"{$row->wl_title}\")" );
+			$this->removeWatch( $row );
+			return $this->progress( 1 );
+		}
+
+		$this->progress( 0 );
+	}
+	
+	function removeWatch( $row ) {
+		if( !$this->dryrun) {
+			$dbw =& wfGetDB( DB_MASTER );
+			$dbw->delete( 'watchlist', array(
+				'wl_user'      => $row->wl_user,
+				'wl_namespace' => $row->wl_namespace,
+				'wl_title'     => $row->wl_title ),
+			'WatchlistCleanup::removeWatch' );
+			$this->log( '- removed' );
+		}
+	}
+}
+
+$wgUser->setName( 'Conversion script' );
+$caps = new WatchlistCleanup( !isset( $options['fix'] ) );
+$caps->cleanup();
+
+?>