class ImageBuilder extends FiveUpgrade {
function ImageBuilder( $dryrun = false ) {
parent::FiveUpgrade();
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$this->maxLag = 10; # if slaves are lagged more than 10 secs, wait
$this->dryrun = $dryrun;
}
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function build() {
$this->buildImage();
$this->buildOldImage();
}
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function init( $count, $table ) {
$this->processed = 0;
$this->updated = 0;
$this->startTime = wfTime();
$this->table = $table;
}
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function progress( $updated ) {
$this->updated += $updated;
$this->processed++;
}
$portion = $this->processed / $this->count;
$updateRate = $this->updated / $this->processed;
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$now = wfTime();
$delta = $now - $this->startTime;
$estimatedTotalTime = $delta / $portion;
$eta = $this->startTime + $estimatedTotalTime;
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printf( "%s: %6.2f%% done on %s; ETA %s [%d/%d] %.2f/sec <%.2f%% updated>\n",
wfTimestamp( TS_DB, intval( $now ) ),
$portion * 100.0,
$updateRate * 100.0 );
flush();
}
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function buildTable( $table, $key, $callback ) {
$fname = 'ImageBuilder::buildTable';
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$count = $this->dbw->selectField( $table, 'count(*)', '', $fname );
$this->init( $count, $table );
$this->log( "Processing $table..." );
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$tableName = $this->dbr->tableName( $table );
$sql = "SELECT * FROM $tableName";
$result = $this->dbr->query( $sql, $fname );
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while( $row = $this->dbr->fetchObject( $result ) ) {
$update = call_user_func( $callback, $row );
if( is_array( $update ) ) {
$this->log( "Finished $table... $this->updated of $this->processed rows updated" );
$this->dbr->freeResult( $result );
}
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function buildImage() {
$callback = array( &$this, 'imageCallback' );
$this->buildTable( 'image', 'img_name', $callback );
}
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function imageCallback( $row ) {
if( $row->img_width ) {
// Already processed
return null;
}
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// Fill in the new image info fields
$info = $this->imageInfo( $row->img_name );
'img_major_mime' => $info['major'],
'img_minor_mime' => $info['minor'] );
}
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function buildOldImage() {
$this->buildTable( 'oldimage', 'oi_archive_name',
array( &$this, 'oldimageCallback' ) );
}
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function oldimageCallback( $row ) {
if( $row->oi_width ) {
return null;
}
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// Fill in the new image info fields
$info = $this->imageInfo( $row->oi_archive_name, 'wfImageArchiveDir', $row->oi_name );
return array(
'oi_height' => $info['height'],
'oi_bits' => $info['bits' ] );
}
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function crawlMissing() {
global $wgUploadDirectory, $wgHashedUploadDirectory;
if( $wgHashedUploadDirectory ) {
$this->crawlDirectory( $wgUploadDirectory );
}
}
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function crawlDirectory( $dir ) {
if( !file_exists( $dir ) ) {
return $this->log( "no directory, skipping $dir" );
if( $source === false ) {
return $this->log( "couldn't open dir, skipping $dir" );
}
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$this->log( "crawling $dir" );
while( false !== ( $filename = readdir( $source ) ) ) {
$fullpath = $dir . DIRECTORY_SEPARATOR . $filename;
}
closedir( $source );
}
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function checkMissingImage( $filename, $fullpath ) {
$fname = 'ImageBuilder::checkMissingImage';
$row = $this->dbw->selectRow( 'image',
array( 'img_name' ),
array( 'img_name' => $filename ),
$fname );
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if( $row ) {
// already known, move on
return;
$this->addMissingImage( $filename, $fullpath );
}
}
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function addMissingImage( $filename, $fullpath ) {
$fname = 'ImageBuilder::addMissingImage';
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$size = filesize( $fullpath );
$info = $this->imageInfo( $filename );
$timestamp = $this->dbw->timestamp( filemtime( $fullpath ) );
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global $wgContLang;
$altname = $wgContLang->checkTitleEncoding( $filename );
if( $altname != $filename ) {
$filename = $this->renameFile( $filename );
}
}
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if( $filename == '' ) {
$this->log( "Empty filename for $fullpath" );
return;
}
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$fields = array(
'img_name' => $filename,
'img_size' => $size,