update to MediaWiki 1.16.0

1 files changed, 281 insertions, 11 deletions

diff --git a/maintenance/rebuildrecentchanges.php b/maintenance/rebuildrecentchanges.php
index 9311d0fa..6c76dc59 100644
--- a/maintenance/rebuildrecentchanges.php
+++ b/maintenance/rebuildrecentchanges.php
@@ -3,22 +3,292 @@
  * Rebuild link tracking tables from scratch.  This takes several
  * hours, depending on the database size and server configuration.
  *
- * @file
- * @todo document
+ * 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
+ *
  * @ingroup Maintenance
+ * @todo Document
  */
 
-/** */
-require_once( "commandLine.inc" );
-require_once( "rebuildrecentchanges.inc" );
-$wgTitle = Title::newFromText( "Rebuild recent changes script" );
+require_once( dirname(__FILE__) . '/Maintenance.php' );
+
+class RebuildRecentchanges extends Maintenance {
+	public function __construct() {
+		parent::__construct();
+		$this->mDescription = "Rebuild recent changes";
+	}
+
+	public function execute() {
+		global $wgTitle;
+		$wgTitle = Title::newFromText( "Rebuild recent changes script" );
+		$this->rebuildRecentChangesTablePass1();
+		$this->rebuildRecentChangesTablePass2();
+		$this->rebuildRecentChangesTablePass3();
+		$this->rebuildRecentChangesTablePass4();
+		$this->purgeFeeds();
+		$this->output( "Done.\n" );
+	}
+
+	/**
+	 * Rebuild pass 1
+	 * DOCUMENT ME!
+	 */
+	function rebuildRecentChangesTablePass1()
+	{
+		$dbw = wfGetDB( DB_MASTER );
+	
+		$dbw->delete( 'recentchanges', '*' );
+	
+		$this->output( "Loading from page and revision tables...\n" );
+	
+		global $wgRCMaxAge;
+	
+		$this->output( '$wgRCMaxAge=' . $wgRCMaxAge );
+		$days = $wgRCMaxAge / 24 / 3600;
+		if ( intval($days) == $days ) {
+				$this->output( " (" . $days . " days)\n" );
+		} else {
+				$this->output( " (approx. " .  intval($days) . " days)\n" );
+		}
+	
+		$cutoff = time() - $wgRCMaxAge;
+		$dbw->insertSelect( 'recentchanges', array( 'page', 'revision' ),
+			array(
+				'rc_timestamp'  => 'rev_timestamp',
+				'rc_cur_time'   => 'rev_timestamp',
+				'rc_user'       => 'rev_user',
+				'rc_user_text'  => 'rev_user_text',
+				'rc_namespace'  => 'page_namespace',
+				'rc_title'      => 'page_title',
+				'rc_comment'    => 'rev_comment',
+				'rc_minor'      => 'rev_minor_edit',
+				'rc_bot'        => 0,
+				'rc_new'        => 'page_is_new',
+				'rc_cur_id'     => 'page_id',
+				'rc_this_oldid' => 'rev_id',
+				'rc_last_oldid' => 0, // is this ok?
+				'rc_type'       => $dbw->conditional( 'page_is_new != 0', RC_NEW, RC_EDIT ),
+				'rc_deleted'    => 'rev_deleted'
+			), array(
+				'rev_timestamp > ' . $dbw->addQuotes( $dbw->timestamp( $cutoff ) ),
+				'rev_page=page_id'
+			), __METHOD__,
+			array(), // INSERT options
+			array( 'ORDER BY' => 'rev_timestamp DESC', 'LIMIT' => 5000 ) // SELECT options
+		);
+	}
+
+	/**
+	 * Rebuild pass 2
+	 * DOCUMENT ME!
+	 */
+	private function rebuildRecentChangesTablePass2() {
+		$dbw = wfGetDB( DB_MASTER );
+		list ($recentchanges, $revision) = $dbw->tableNamesN( 'recentchanges', 'revision' );
+	
+		$this->output( "Updating links and size differences...\n" );
+	
+		# Fill in the rc_last_oldid field, which points to the previous edit
+		$sql = "SELECT rc_cur_id,rc_this_oldid,rc_timestamp FROM $recentchanges " .
+		  "ORDER BY rc_cur_id,rc_timestamp";
+		$res = $dbw->query( $sql, DB_MASTER );
+	
+		$lastCurId = 0;
+		$lastOldId = 0;
+		foreach ( $res as $obj ) {
+			$new = 0;
+			if( $obj->rc_cur_id != $lastCurId ) {
+				# Switch! Look up the previous last edit, if any
+				$lastCurId = intval( $obj->rc_cur_id );
+				$emit = $obj->rc_timestamp;
+				$sql2 = "SELECT rev_id,rev_len FROM $revision " .
+					"WHERE rev_page={$lastCurId} ".
+					"AND rev_timestamp<'{$emit}' ORDER BY rev_timestamp DESC";
+				$sql2 = $dbw->limitResult($sql2, 1, false);
+				$res2 = $dbw->query( $sql2 );
+				if( $row = $dbw->fetchObject( $res2 ) ) {
+					$lastOldId = intval($row->rev_id);
+					# Grab the last text size if available
+					$lastSize = !is_null($row->rev_len) ? intval($row->rev_len) : 'NULL';
+				} else {
+					# No previous edit
+					$lastOldId = 0;
+					$lastSize = 'NULL';
+					$new = 1; // probably true
+				}
+				$dbw->freeResult( $res2 );
+			}
+			if( $lastCurId == 0 ) {
+				$this->output( "Uhhh, something wrong? No curid\n" );
+			} else {
+				# Grab the entry's text size
+				$size = $dbw->selectField( 'revision', 'rev_len', array('rev_id' => $obj->rc_this_oldid ) );
+				$size = !is_null($size) ? intval($size) : 'NULL';
+	
+				$sql3 = "UPDATE $recentchanges SET rc_last_oldid=$lastOldId,rc_new=$new,rc_type=$new," .
+					"rc_old_len=$lastSize,rc_new_len=$size " .
+					"WHERE rc_cur_id={$lastCurId} AND rc_this_oldid={$obj->rc_this_oldid}";
+				$dbw->query( $sql3 );
+	
+				$lastOldId = intval( $obj->rc_this_oldid );
+				$lastSize = $size;
+			}
+		}
+		$dbw->freeResult( $res );
+	}
+
+	/**
+	 * Rebuild pass 3
+	 * DOCUMENT ME!
+	 */
+	private function rebuildRecentChangesTablePass3() {
+		$dbw = wfGetDB( DB_MASTER );
+	
+		$this->output( "Loading from user, page, and logging tables...\n" );
+	
+		global $wgRCMaxAge, $wgLogTypes, $wgLogRestrictions;
+		// Some logs don't go in RC. This should check for that
+		$basicRCLogs = array_diff( $wgLogTypes, array_keys( $wgLogRestrictions ) );
+	
+		// Escape...blah blah
+		$selectLogs = array();
+		foreach( $basicRCLogs as $logtype ) {
+			$safetype = $dbw->strencode( $logtype );
+			$selectLogs[] = "'$safetype'";
+		}
+	
+		$cutoff = time() - $wgRCMaxAge;
+		list($logging, $page) = $dbw->tableNamesN( 'logging', 'page' );
+		$dbw->insertSelect( 'recentchanges', array( 'user', "$logging LEFT JOIN $page ON (log_namespace=page_namespace AND log_title=page_title)" ),
+			array(
+				'rc_timestamp'  => 'log_timestamp',
+				'rc_cur_time'   => 'log_timestamp',
+				'rc_user'       => 'log_user',
+				'rc_user_text'  => 'user_name',
+				'rc_namespace'  => 'log_namespace',
+				'rc_title'      => 'log_title',
+				'rc_comment'    => 'log_comment',
+				'rc_minor'      => 0,
+				'rc_bot'        => 0,
+				'rc_patrolled'  => 1,
+				'rc_new'        => 0,
+				'rc_this_oldid' => 0,
+				'rc_last_oldid' => 0,
+				'rc_type'       => RC_LOG,
+				'rc_cur_id'     => $dbw->cascadingDeletes() ? 'page_id' : 'COALESCE(page_id, 0)',
+				'rc_log_type'   => 'log_type',
+				'rc_log_action' => 'log_action',
+				'rc_logid'      => 'log_id',
+				'rc_params'     => 'log_params',
+				'rc_deleted'    => 'log_deleted'
+			), array(
+				'log_timestamp > ' . $dbw->addQuotes( $dbw->timestamp( $cutoff ) ),
+				'log_user=user_id',
+				'log_type IN(' . implode(',',$selectLogs) . ')'
+			), __METHOD__,
+			array(), // INSERT options
+			array( 'ORDER BY' => 'log_timestamp DESC', 'LIMIT' => 5000 ) // SELECT options
+		);
+	}
+
+	/**
+	 * Rebuild pass 4
+	 * DOCUMENT ME!
+	 */
+	private function rebuildRecentChangesTablePass4() {
+		global $wgGroupPermissions, $wgUseRCPatrol;
+	
+		$dbw = wfGetDB( DB_MASTER );
+	
+		list($recentchanges,$usergroups,$user) = $dbw->tableNamesN( 'recentchanges', 'user_groups', 'user' );
+	
+		$botgroups = $autopatrolgroups = array();
+		foreach( $wgGroupPermissions as $group => $rights ) {
+			if( isset( $rights['bot'] ) && $rights['bot'] == true ) {
+				$botgroups[] = $dbw->addQuotes( $group );
+			}
+			if( $wgUseRCPatrol && isset( $rights['autopatrol'] ) && $rights['autopatrol'] == true ) {
+				$autopatrolgroups[] = $dbw->addQuotes( $group );
+			}
+		}
+		# Flag our recent bot edits
+		if( !empty($botgroups) ) {
+			$botwhere = implode(',',$botgroups);
+			$botusers = array();
+	
+			$this->output( "Flagging bot account edits...\n" );
+	
+			# Find all users that are bots
+			$sql = "SELECT DISTINCT user_name FROM $usergroups, $user " .
+				"WHERE ug_group IN($botwhere) AND user_id = ug_user";
+			$res = $dbw->query( $sql, DB_MASTER );
+	
+			foreach( $res as $obj ) {
+				$botusers[] = $dbw->addQuotes( $obj->user_name );
+			}
+			# Fill in the rc_bot field
+			if( !empty($botusers) ) {
+				$botwhere = implode(',',$botusers);
+				$sql2 = "UPDATE $recentchanges SET rc_bot=1 " .
+					"WHERE rc_user_text IN($botwhere)";
+				$dbw->query( $sql2 );
+			}
+		}
+		global $wgMiserMode;
+		# Flag our recent autopatrolled edits
+		if( !$wgMiserMode && !empty($autopatrolgroups) ) {
+			$patrolwhere = implode(',',$autopatrolgroups);
+			$patrolusers = array();
+	
+			$this->output( "Flagging auto-patrolled edits...\n" );
+	
+			# Find all users in RC with autopatrol rights
+			$sql = "SELECT DISTINCT user_name FROM $usergroups, $user " .
+				"WHERE ug_group IN($patrolwhere) AND user_id = ug_user";
+			$res = $dbw->query( $sql, DB_MASTER );
+	
+			foreach( $res as $obj ) {
+				$patrolusers[] = $dbw->addQuotes( $obj->user_name );
+			}
+	
+			# Fill in the rc_patrolled field
+			if( !empty($patrolusers) ) {
+				$patrolwhere = implode(',',$patrolusers);
+				$sql2 = "UPDATE $recentchanges SET rc_patrolled=1 " .
+					"WHERE rc_user_text IN($patrolwhere)";
+				$dbw->query( $sql2 );
+			}
+		}
+	
+		$dbw->freeResult( $res );
+	}
 
-$wgDBuser			= $wgDBadminuser;
-$wgDBpassword		= $wgDBadminpassword;
+	/**
+	 * Purge cached feeds in $messageMemc
+	 */
+	private function purgeFeeds() {
+		global $wgFeedClasses, $messageMemc;
 
-rebuildRecentChangesTable();
+		$this->output( "Deleting feed timestamps.\n" );
 
-print "Done.\n";
-exit();
+		foreach( $wgFeedClasses as $feed => $className ) {
+			$messageMemc->delete( wfMemcKey( 'rcfeed', $feed, 'timestamp' ) ); # Good enough for now.
+		}
+	}
 
+}
 
+$maintClass = "RebuildRecentchanges";
+require_once( DO_MAINTENANCE );