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| 1 | <?php |
| 2 | /** |
| 3 | * Report on number and size of transcodes. |
| 4 | */ |
| 5 | $IP = getenv( 'MW_INSTALL_PATH' ); |
| 6 | if ( $IP === false ) { |
| 7 | $IP = __DIR__ . '/../../..'; |
| 8 | } |
| 9 | require_once "$IP/maintenance/Maintenance.php"; |
| 10 | |
| 11 | use MediaWiki\TimedMediaHandler\Handlers\TextHandler\TextHandler; |
| 12 | use MediaWiki\TimedMediaHandler\TimedText; |
| 13 | use MediaWiki\TimedMediaHandler\TimedTextPage; |
| 14 | use MediaWiki\Title\Title; |
| 15 | use Wikimedia\Rdbms\IExpression; |
| 16 | use Wikimedia\Rdbms\LikeValue; |
| 17 | |
| 18 | class ConvertSubtitles extends Maintenance { |
| 19 | |
| 20 | /** @var int */ |
| 21 | private $count = 0; |
| 22 | /** @var int */ |
| 23 | private $failed = 0; |
| 24 | |
| 25 | public function __construct() { |
| 26 | parent::__construct(); |
| 27 | $this->addOption( "file", "process a single given TimedText 'file'", false, true ); |
| 28 | $this->addOption( "format", "output format, one of 'vtt' or 'srt'", false, true ); |
| 29 | $this->addOption( "dump", "dump output to stdout along with status", false, false ); |
| 30 | $this->addDescription( "convert one or more subtitle files and report on success." ); |
| 31 | $this->requireExtension( 'TimedMediaHandler' ); |
| 32 | } |
| 33 | |
| 34 | public function execute() { |
| 35 | $services = $this->getServiceContainer(); |
| 36 | $dbr = $services->getDBLoadBalancerFactory()->getReplicaDatabase(); |
| 37 | $where = [ 'page_namespace' => $services->getMainConfig()->get( 'TimedTextNS' ) ]; |
| 38 | if ( $this->hasOption( 'file' ) ) { |
| 39 | $file = Title::newFromText( $this->getOption( 'file' ), NS_FILE ); |
| 40 | if ( $file ) { |
| 41 | $where[] = $dbr->expr( 'page_title', IExpression::LIKE, |
| 42 | new LikeValue( $file->getDbKey() . '.', $dbr->anyString() ) ); |
| 43 | } else { |
| 44 | $this->fatalError( "Invalid file title\n" ); |
| 45 | } |
| 46 | } |
| 47 | $result = $dbr->newSelectQueryBuilder() |
| 48 | ->select( [ 'page_namespace', 'page_title' ] ) |
| 49 | ->from( 'page' ) |
| 50 | ->where( $where ) |
| 51 | ->orderBy( [ 'page_namespace', 'page_title' ] ) |
| 52 | ->caller( __METHOD__ ) |
| 53 | ->fetchResultSet(); |
| 54 | foreach ( $result as $row ) { |
| 55 | $data = $this->processWork( [ |
| 56 | 'page_namespace' => $row->page_namespace, |
| 57 | 'page_title' => $row->page_title, |
| 58 | ] ); |
| 59 | $this->count++; |
| 60 | if ( $data['result'] === 0 ) { |
| 61 | $this->output( "success on {$data['page_title']}\n" ); |
| 62 | } else { |
| 63 | $err = implode( "\n ", $data['errors'] ); |
| 64 | $this->output( "failure on {$data['page_title']}: $err\n" ); |
| 65 | $this->failed++; |
| 66 | } |
| 67 | if ( $this->hasOption( 'dump' ) ) { |
| 68 | $this->output( $data['output'] . "\n" ); |
| 69 | } |
| 70 | } |
| 71 | |
| 72 | $this->output( "$this->count subtitle conversions, $this->failed failed\n" ); |
| 73 | } |
| 74 | |
| 75 | /** |
| 76 | * Actual converter work. Split out so it's easy to parallelize |
| 77 | * or reuse in future. |
| 78 | * |
| 79 | * @param array $data |
| 80 | * @return array |
| 81 | */ |
| 82 | public function processWork( $data ) { |
| 83 | $title = Title::makeTitle( $data['page_namespace'], $data['page_title'] ); |
| 84 | $wikiPageFactory = $this->getServiceContainer()->getWikiPageFactory(); |
| 85 | $page = $wikiPageFactory->newFromTitle( $title ); |
| 86 | if ( $page->isRedirect() ) { |
| 87 | $title = $page->getRedirectTarget(); |
| 88 | $page = $wikiPageFactory->newFromTitle( $title ); |
| 89 | } |
| 90 | $content = $page->getContent(); |
| 91 | $raw = $content instanceof TextContent ? $content->getText() : ''; |
| 92 | |
| 93 | $errors = []; |
| 94 | $out = TextHandler::convertSubtitles( |
| 95 | TimedTextPage::SRT_SUBTITLE_FORMAT, |
| 96 | $this->getOption( 'format', TimedTextPage::VTT_SUBTITLE_FORMAT ), |
| 97 | $raw, |
| 98 | $errors |
| 99 | ); |
| 100 | if ( count( $errors ) ) { |
| 101 | return $data + [ |
| 102 | 'result' => 1, |
| 103 | 'errors' => array_map( [ $this, 'formatError' ], $errors ), |
| 104 | 'output' => $out, |
| 105 | ]; |
| 106 | } else { |
| 107 | return $data + [ |
| 108 | 'result' => 0, |
| 109 | 'output' => $out, |
| 110 | ]; |
| 111 | } |
| 112 | } |
| 113 | |
| 114 | /** |
| 115 | * @param TimedText\ParseError $error |
| 116 | * |
| 117 | * @return string |
| 118 | */ |
| 119 | public function formatError( TimedText\ParseError $error ) { |
| 120 | return $error->getError() . |
| 121 | " at line " . |
| 122 | $error->getLine() . |
| 123 | ": " . |
| 124 | $error->getInput(); |
| 125 | } |
| 126 | } |
| 127 | |
| 128 | // Tells it to run the class |
| 129 | $maintClass = ConvertSubtitles::class; |
| 130 | require_once RUN_MAINTENANCE_IF_MAIN; |