includes/revisiondelete/RevDelFileList.php

   1 <?php
   2 /**
   3  * This program is free software; you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License as published by
   5  * the Free Software Foundation; either version 2 of the License, or
   6  * (at your option) any later version.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  16  * http://www.gnu.org/copyleft/gpl.html
  17  *
  18  * @file
  19  * @ingroup RevisionDelete
  20  */
  21
  22 /**
  23  * List for oldimage table items
  24  */
  25 class RevDelFileList extends RevDelList {
  26         /** @var array */
  27         var $storeBatch;
  28
  29         /** @var array */
  30         var $deleteBatch;
  31
  32         /** @var array */
  33         var $cleanupBatch;
  34
  35         public function getType() {
  36                 return 'oldimage';
  37         }
  38
  39         public static function getRelationType() {
  40                 return 'oi_archive_name';
  41         }
  42
  43         public static function getRestriction() {
  44                 return 'deleterevision';
  45         }
  46
  47         public static function getRevdelConstant() {
  48                 return File::DELETED_FILE;
  49         }
  50
  51         /**
  52          * @param DatabaseBase $db
  53          * @return mixed
  54          */
  55         public function doQuery( $db ) {
  56                 $archiveNames = array();
  57                 foreach ( $this->ids as $timestamp ) {
  58                         $archiveNames[] = $timestamp . '!' . $this->title->getDBkey();
  59                 }
  60
  61                 return $db->select( 'oldimage', OldLocalFile::selectFields(), array( 'oi_name' => $this->title->getDBkey(), 'oi_archive_name' => $archiveNames ), __METHOD__, array( 'ORDER BY' => 'oi_timestamp DESC' ) );
  62         }
  63
  64         public function newItem( $row ) {
  65                 return new RevDelFileItem( $this, $row );
  66         }
  67
  68         public function clearFileOps() {
  69                 $this->deleteBatch = array();
  70                 $this->storeBatch = array();
  71                 $this->cleanupBatch = array();
  72         }
  73
  74         public function doPreCommitUpdates() {
  75                 $status = Status::newGood();
  76                 $repo = RepoGroup::singleton()->getLocalRepo();
  77                 if ( $this->storeBatch ) {
  78                         $status->merge( $repo->storeBatch( $this->storeBatch, FileRepo::OVERWRITE_SAME ) );
  79                 }
  80                 if ( !$status->isOK() ) {
  81                         return $status;
  82                 }
  83                 if ( $this->deleteBatch ) {
  84                         $status->merge( $repo->deleteBatch( $this->deleteBatch ) );
  85                 }
  86                 if ( !$status->isOK() ) {
  87                         // Running cleanupDeletedBatch() after a failed storeBatch() with the DB already
  88                         // modified (but destined for rollback) causes data loss
  89                         return $status;
  90                 }
  91                 if ( $this->cleanupBatch ) {
  92                         $status->merge( $repo->cleanupDeletedBatch( $this->cleanupBatch ) );
  93                 }
  94
  95                 return $status;
  96         }
  97
  98         public function doPostCommitUpdates() {
  99                 $file = wfLocalFile( $this->title );
 100                 $file->purgeCache();
 101                 $file->purgeDescription();
 102                 $purgeUrls = array();
 103                 foreach ( $this->ids as $timestamp ) {
 104                         $archiveName = $timestamp . '!' . $this->title->getDBkey();
 105                         $file->purgeOldThumbnails( $archiveName );
 106                         $purgeUrls[] = $file->getArchiveUrl( $archiveName );
 107                 }
 108                 if ( $this->getConfig()->get( 'UseSquid' ) ) {
 109                         // purge full images from cache
 110                         SquidUpdate::purge( $purgeUrls );
 111                 }
 112
 113                 return Status::newGood();
 114         }
 115
 116         public function getSuppressBit() {
 117                 return File::DELETED_RESTRICTED;
 118         }
 119 }