Added PurgeDeletedFiles script to purge recently deleted files. To be used before...
authorAaron Schulz <aaron@users.mediawiki.org>
Tue, 31 Jan 2012 22:03:36 +0000 (22:03 +0000)
committerAaron Schulz <aaron@users.mediawiki.org>
Tue, 31 Jan 2012 22:03:36 +0000 (22:03 +0000)
maintenance/purgeDeletedFiles.php [new file with mode: 0644]

diff --git a/maintenance/purgeDeletedFiles.php b/maintenance/purgeDeletedFiles.php
new file mode 100644 (file)
index 0000000..b2655f7
--- /dev/null
@@ -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 );