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findMissingFiles.php
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1 <?php
21 require_once __DIR__ . '/Maintenance.php';
22 
24  public function __construct() {
25  parent::__construct();
26 
27  $this->addDescription( 'Find registered files with no corresponding file.' );
28  $this->addOption( 'start', 'Start after this file name', false, true );
29  $this->addOption( 'mtimeafter', 'Only include files changed since this time', false, true );
30  $this->addOption( 'mtimebefore', 'Only includes files changed before this time', false, true );
31  $this->setBatchSize( 300 );
32  }
33 
34  public function execute() {
35  $lastName = $this->getOption( 'start', '' );
36 
37  $repo = RepoGroup::singleton()->getLocalRepo();
38  $dbr = $repo->getReplicaDB();
39  $be = $repo->getBackend();
40  $batchSize = $this->getBatchSize();
41 
42  $mtime1 = $dbr->timestampOrNull( $this->getOption( 'mtimeafter', null ) );
43  $mtime2 = $dbr->timestampOrNull( $this->getOption( 'mtimebefore', null ) );
44 
45  $joinTables = [];
46  $joinConds = [];
47  if ( $mtime1 || $mtime2 ) {
48  $joinTables[] = 'page';
49  $joinConds['page'] = [ 'JOIN',
50  [ 'page_title = img_name', 'page_namespace' => NS_FILE ] ];
51  $joinTables[] = 'logging';
52  $on = [ 'log_page = page_id', 'log_type' => [ 'upload', 'move', 'delete' ] ];
53  if ( $mtime1 ) {
54  $on[] = "log_timestamp > {$dbr->addQuotes($mtime1)}";
55  }
56  if ( $mtime2 ) {
57  $on[] = "log_timestamp < {$dbr->addQuotes($mtime2)}";
58  }
59  $joinConds['logging'] = [ 'JOIN', $on ];
60  }
61 
62  do {
63  $res = $dbr->select(
64  array_merge( [ 'image' ], $joinTables ),
65  [ 'name' => 'img_name' ],
66  [ "img_name > " . $dbr->addQuotes( $lastName ) ],
67  __METHOD__,
68  // DISTINCT causes a pointless filesort
69  [ 'ORDER BY' => 'name', 'GROUP BY' => 'name',
70  'LIMIT' => $batchSize ],
71  $joinConds
72  );
73 
74  // Check if any of these files are missing...
75  $pathsByName = [];
76  foreach ( $res as $row ) {
77  $file = $repo->newFile( $row->name );
78  $pathsByName[$row->name] = $file->getPath();
79  $lastName = $row->name;
80  }
81  $be->preloadFileStat( [ 'srcs' => $pathsByName ] );
82  foreach ( $pathsByName as $path ) {
83  if ( $be->fileExists( [ 'src' => $path ] ) === false ) {
84  $this->output( "$path\n" );
85  }
86  }
87 
88  // Find all missing old versions of any of the files in this batch...
89  if ( count( $pathsByName ) ) {
90  $ores = $dbr->select( 'oldimage',
91  [ 'oi_name', 'oi_archive_name' ],
92  [ 'oi_name' => array_keys( $pathsByName ) ],
93  __METHOD__
94  );
95 
96  $checkPaths = [];
97  foreach ( $ores as $row ) {
98  if ( !strlen( $row->oi_archive_name ) ) {
99  continue; // broken row
100  }
101  $file = $repo->newFromArchiveName( $row->oi_name, $row->oi_archive_name );
102  $checkPaths[] = $file->getPath();
103  }
104 
105  foreach ( array_chunk( $checkPaths, $batchSize ) as $paths ) {
106  $be->preloadFileStat( [ 'srcs' => $paths ] );
107  foreach ( $paths as $path ) {
108  if ( $be->fileExists( [ 'src' => $path ] ) === false ) {
109  $this->output( "$path\n" );
110  }
111  }
112  }
113  }
114  } while ( $res->numRows() >= $batchSize );
115  }
116 }
117 
118 $maintClass = FindMissingFiles::class;
119 require_once RUN_MAINTENANCE_IF_MAIN;
if(PHP_SAPI !='cli-server') if(!isset( $_SERVER['SCRIPT_FILENAME'])) $file
Item class for a filearchive table row.
Definition: router.php:42
const RUN_MAINTENANCE_IF_MAIN
Definition: Maintenance.php:39
getOption( $name, $default=null)
Get an option, or return the default.
Abstract maintenance class for quickly writing and churning out maintenance scripts with minimal effo...
Definition: Maintenance.php:86
setBatchSize( $s=0)
Set the batch size.
static singleton()
Definition: RepoGroup.php:60
addDescription( $text)
Set the description text.
const NS_FILE
Definition: Defines.php:66
output( $out, $channel=null)
Throw some output to the user.
getBatchSize()
Returns batch size.
addOption( $name, $description, $required=false, $withArg=false, $shortName=false, $multiOccurrence=false)
Add a parameter to the script.