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<?php
/**
* Update image metadata records.
*
* Usage: php rebuildImages.php [--missing] [--dry-run]
* Options:
* --missing Crawl the uploads dir for images without records, and
* add them only.
*
* Copyright © 2005 Brooke Vibber <bvibber@wikimedia.org>
* https://www.mediawiki.org/
*
* 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
*
* @file
* @author Brooke Vibber <bvibber@wikimedia.org>
* @ingroup Maintenance
*/
// @codeCoverageIgnoreStart
require_once __DIR__ . '/Maintenance.php';
// @codeCoverageIgnoreEnd
use MediaWiki\FileRepo\File\FileSelectQueryBuilder;
use MediaWiki\FileRepo\LocalRepo;
use MediaWiki\Maintenance\Maintenance;
use MediaWiki\Specials\SpecialUpload;
use MediaWiki\User\User;
use Wikimedia\Rdbms\IMaintainableDatabase;
use Wikimedia\Rdbms\SelectQueryBuilder;
/**
* Maintenance script to update image metadata records.
*
* @ingroup Maintenance
*/
class ImageBuilder extends Maintenance {
/**
* @var IMaintainableDatabase
*/
protected $dbw;
/** @var bool */
private $dryrun;
/** @var LocalRepo|null */
private $repo;
/** @var int */
private $updated;
/** @var int */
private $processed;
/** @var int */
private $count;
/** @var float */
private $startTime;
/** @var string */
private $table;
public function __construct() {
parent::__construct();
$this->addDescription( 'Script to update image metadata records' );
$this->addOption( 'missing', 'Check for files without associated database record' );
$this->addOption( 'dry-run', 'Only report, don\'t update the database' );
}
public function execute() {
$this->dbw = $this->getPrimaryDB();
$this->dryrun = $this->hasOption( 'dry-run' );
if ( $this->dryrun ) {
$this->getServiceContainer()->getReadOnlyMode()
->setReason( 'Dry run mode, image upgrades are suppressed' );
}
if ( $this->hasOption( 'missing' ) ) {
$this->crawlMissing();
} else {
$this->build();
}
}
/**
* @return LocalRepo
*/
private function getRepo() {
if ( $this->repo === null ) {
$this->repo = $this->getServiceContainer()->getRepoGroup()
->newCustomLocalRepo( [
// make sure to update old, but compatible img_metadata fields.
'updateCompatibleMetadata' => true
] );
}
return $this->repo;
}
private function build() {
$this->buildImage();
$this->buildOldImage();
}
/**
* @param int $count
* @param string $table
*/
private function init( $count, $table ) {
$this->processed = 0;
$this->updated = 0;
$this->count = $count;
$this->startTime = microtime( true );
$this->table = $table;
}
private function progress( int $updated ) {
$this->updated += $updated;
$this->processed++;
if ( $this->processed % 100 != 0 ) {
return;
}
$portion = $this->processed / $this->count;
$updateRate = $this->updated / $this->processed;
$now = microtime( true );
$delta = $now - $this->startTime;
$estimatedTotalTime = $delta / $portion;
$eta = $this->startTime + $estimatedTotalTime;
$rate = $this->processed / $delta;
$this->output( sprintf( "%s: %6.2f%% done on %s; ETA %s [%d/%d] %.2f/sec <%.2f%% updated>\n",
wfTimestamp( TS_DB, intval( $now ) ),
$portion * 100.0,
$this->table,
wfTimestamp( TS_DB, intval( $eta ) ),
$this->processed,
$this->count,
$rate,
$updateRate * 100.0 ) );
flush();
}
private function buildTable( string $table, SelectQueryBuilder $queryBuilder, callable $callback ) {
$count = $this->dbw->newSelectQueryBuilder()
->select( 'count(*)' )
->from( $table )
->caller( __METHOD__ )->fetchField();
$this->init( $count, $table );
$this->output( "Processing $table...\n" );
$result = $queryBuilder->caller( __METHOD__ )->fetchResultSet();
foreach ( $result as $row ) {
$update = $callback( $row );
if ( $update ) {
$this->progress( 1 );
} else {
$this->progress( 0 );
}
}
$this->output( "Finished $table... $this->updated of $this->processed rows updated\n" );
}
private function buildImage() {
$callback = [ $this, 'imageCallback' ];
$this->buildTable( 'image', FileSelectQueryBuilder::newForFile( $this->getReplicaDB() ), $callback );
}
private function imageCallback( \stdClass $row ): bool {
// Create a File object from the row
// This will also upgrade it
$file = $this->getRepo()->newFileFromRow( $row );
return $file->getUpgraded();
}
private function buildOldImage() {
$this->buildTable( 'oldimage', FileSelectQueryBuilder::newForOldFile( $this->getReplicaDB() ),
[ $this, 'oldimageCallback' ] );
}
private function oldimageCallback( \stdClass $row ): bool {
// Create a File object from the row
// This will also upgrade it
if ( $row->oi_archive_name == '' ) {
$this->output( "Empty oi_archive_name for oi_name={$row->oi_name}\n" );
return false;
}
$file = $this->getRepo()->newFileFromRow( $row );
return $file->getUpgraded();
}
private function crawlMissing() {
$this->getRepo()->enumFiles( [ $this, 'checkMissingImage' ] );
}
public function checkMissingImage( string $fullpath ) {
$filename = wfBaseName( $fullpath );
$row = $this->dbw->newSelectQueryBuilder()
->select( [ 'img_name' ] )
->from( 'image' )
->where( [ 'img_name' => $filename ] )
->caller( __METHOD__ )->fetchRow();
if ( !$row ) {
// file not registered
$this->addMissingImage( $filename, $fullpath );
}
}
private function addMissingImage( string $filename, string $fullpath ) {
$timestamp = $this->dbw->timestamp( $this->getRepo()->getFileTimestamp( $fullpath ) );
$services = $this->getServiceContainer();
$altname = $services->getContentLanguage()->checkTitleEncoding( $filename );
if ( $altname != $filename ) {
if ( $this->dryrun ) {
$filename = $altname;
$this->output( "Estimating transcoding... $altname\n" );
} else {
// @fixme create renameFile()
// @phan-suppress-next-line PhanUndeclaredMethod See comment above...
$filename = $this->renameFile( $filename );
}
}
if ( $filename == '' ) {
$this->output( "Empty filename for $fullpath\n" );
return;
}
if ( !$this->dryrun ) {
$file = $services->getRepoGroup()->getLocalRepo()->newFile( $filename );
$pageText = SpecialUpload::getInitialPageText(
'(recovered file, missing upload log entry)'
);
$user = User::newSystemUser( User::MAINTENANCE_SCRIPT_USER, [ 'steal' => true ] );
$status = $file->recordUpload3(
'',
'(recovered file, missing upload log entry)',
$pageText,
$user,
false,
$timestamp
);
if ( !$status->isOK() ) {
$this->output( "Error uploading file $fullpath\n" );
return;
}
}
$this->output( $fullpath . "\n" );
}
}
// @codeCoverageIgnoreStart
$maintClass = ImageBuilder::class;
require_once RUN_MAINTENANCE_IF_MAIN;
// @codeCoverageIgnoreEnd