maintenance/findMissingFiles.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  * @author Aaron Schulz
  20  */
  21
  22 require_once __DIR__ . '/Maintenance.php';
  23
  24 class FindMissingFiles extends Maintenance {
  25         function __construct() {
  26                 parent::__construct();
  27
  28                 $this->mDescription = 'Find registered files with no corresponding file.';
  29                 $this->addOption( 'start', 'Starting file name', false, true );
  30                 $this->setBatchSize( 200 );
  31         }
  32
  33         function execute() {
  34                 $lastName = $this->getOption( 'start', '' );
  35
  36                 $repo = RepoGroup::singleton()->getLocalRepo();
  37                 $dbr = $repo->getSlaveDB();
  38                 $be = $repo->getBackend();
  39
  40                 do {
  41                         $res = $dbr->select( 'image',
  42                                 'img_name',
  43                                 array( "img_name >= " . $dbr->addQuotes( $lastName ) ),
  44                                 __METHOD__,
  45                                 array( 'ORDER BY' => 'img_name', 'LIMIT' => $this->mBatchSize )
  46                         );
  47
  48                         // Check if any of these files are missing...
  49                         $pathsByName = array();
  50                         foreach ( $res as $row ) {
  51                                 $file = $repo->newFile( $row->img_name );
  52                                 $pathsByName[$row->img_name] = $file->getPath();
  53                                 $lastName = $row->img_name;
  54                         }
  55                         $be->preloadFileStat( array( 'srcs' => $pathsByName ) );
  56                         foreach ( $pathsByName as $path ) {
  57                                 if ( $be->fileExists( array( 'src' => $path ) ) === false ) {
  58                                         $this->output( "$path\n" );
  59                                 }
  60                         }
  61
  62                         // Find all missing old versions of any of the files in this batch...
  63                         if ( count( $pathsByName ) ) {
  64                                 $ores = $dbr->select( 'oldimage',
  65                                         array( 'oi_name', 'oi_archive_name' ),
  66                                         array( 'oi_name' => array_keys( $pathsByName ) ),
  67                                         __METHOD__
  68                                 );
  69                                 foreach ( $ores as $row ) {
  70                                         if ( !strlen( $row->oi_archive_name ) ) {
  71                                                 continue; // broken row
  72                                         }
  73                                         $file = $repo->newFromArchiveName( $row->oi_name, $row->oi_archive_name );
  74                                         $path = $file->getPath();
  75                                         if ( $be->fileExists( array( 'src' => $path ) ) === false ) {
  76                                                 $this->output( "$path\n" );
  77                                         }
  78                                 }
  79                         }
  80                 } while ( $res->numRows() >= $this->mBatchSize );
  81         }
  82 }
  83
  84 $maintClass = 'FindMissingFiles';
  85 require_once RUN_MAINTENANCE_IF_MAIN;