From 676ccf10c038b3a89191b72031c123e16ae00746 Mon Sep 17 00:00:00 2001
From: Aaron Schulz <aaron@users.mediawiki.org>
Date: Tue, 31 Jan 2012 22:03:36 +0000
Subject: [PATCH] Added PurgeDeletedFiles script to purge recently deleted
 files. To be used before initial Swift thumbnail deploy.

---
 maintenance/purgeDeletedFiles.php | 88 +++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 maintenance/purgeDeletedFiles.php

diff --git a/maintenance/purgeDeletedFiles.php b/maintenance/purgeDeletedFiles.php
new file mode 100644
index 0000000000..b2655f7509
--- /dev/null
+++ b/maintenance/purgeDeletedFiles.php
@@ -0,0 +1,88 @@
+<?php
+/**
+ * Scans the deletion log and purges affected files within a timeframe.
+ *
+ * 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
+ */
+
+require_once( dirname( __FILE__ ) . '/Maintenance.php' );
+
+class PurgeDeletedFiles extends Maintenance {
+	public function __construct() {
+		parent::__construct();
+		$this->mDescription = "Scan the logging table and purge files that where deleted.";
+		$this->addOption( 'starttime', 'Starting timestamp', false, true );
+		$this->addOption( 'endtime', 'Ending timestamp', false, true );
+	}
+
+	public function execute() {
+		$this->output( "Purging cache and thumbnails for deleted files...\n" );
+		$this->purgeFromLogType( 'delete' );
+		$this->output( "...deleted files purged.\n\n" );
+
+		$this->output( "Purging cache and thumbnails for suppressed files...\n" );
+		$this->purgeFromLogType( 'suppress' );
+		$this->output( "...suppressed files purged.\n" );
+	}
+
+	protected function purgeFromLogType( $logType ) {
+		$repo = RepoGroup::singleton()->getLocalRepo();
+		$db = $repo->getSlaveDB();
+
+		$conds = array(
+			'log_namespace' => NS_FILE,
+			'log_type'      => $logType,
+			'log_action'    => array( 'delete', 'revision' )
+		);
+		$start = $this->getOption( 'starttime' );
+		if ( $start ) {
+			$conds[] = 'log_timestamp >= ' . $db->addQuotes( $db->timestamp( $start ) );
+		}
+		$end = $this->getOption( 'endtime' );
+		if ( $end ) {
+			$conds[] = 'log_timestamp <= ' . $db->addQuotes( $db->timestamp( $end ) );
+		}
+
+		$res = $db->select( 'logging', array( 'log_title', 'log_timestamp' ), $conds, __METHOD__ );
+		foreach ( $res as $row ) {
+			$file = $repo->newFile( Title::makeTitle( NS_FILE, $row->log_title ) );
+
+			// Purge current version and any versions in oldimage table
+			$file->purgeEverything();
+			// Purge items from fileachive table (rows are likely here)
+			$this->purgeFromArchiveTable( $file );
+
+			$this->output( "Purged file {$row->log_title}; deleted on {$row->log_timestamp}.\n" );
+		}
+	}
+
+	protected function purgeFromArchiveTable( LocalFile $file ) {
+		$db = $file->getRepo()->getSlaveDB();
+		$res = $db->select( 'filearchive', 
+			array( 'fa_archive_name' ),
+			array( 'fa_name' => $file->getName() ),
+			__METHOD__
+		);
+		foreach ( $res as $row ) {
+			$file->purgeOldThumbnails( $row->fa_archive_name );
+		}
+	}
+}
+
+$maintClass = "PurgeDeletedFiles";
+require_once( RUN_MAINTENANCE_IF_MAIN );
-- 
2.20.1