import { logger } from './logger' import { generateVideoTmpPath } from './utils' import * as WebTorrent from 'webtorrent' import { createWriteStream, remove } from 'fs-extra' import { CONFIG } from '../initializers' import { join } from 'path' function downloadWebTorrentVideo (target: { magnetUri: string, torrentName: string }) { const id = target.magnetUri || target.torrentName const path = generateVideoTmpPath(id) logger.info('Importing torrent video %s', id) return new Promise((res, rej) => { const webtorrent = new WebTorrent() const torrentId = target.magnetUri || join(CONFIG.STORAGE.TORRENTS_DIR, target.torrentName) const options = { path: CONFIG.STORAGE.VIDEOS_DIR } const torrent = webtorrent.add(torrentId, options, torrent => { if (torrent.files.length !== 1) return rej(new Error('The number of files is not equal to 1 for ' + torrentId)) const file = torrent.files[ 0 ] const writeStream = createWriteStream(path) writeStream.on('finish', () => { webtorrent.destroy(async err => { if (err) return rej(err) if (target.torrentName) { remove(torrentId) .catch(err => logger.error('Cannot remove torrent %s in webtorrent download.', torrentId, { err })) } remove(join(CONFIG.STORAGE.VIDEOS_DIR, file.name)) .catch(err => logger.error('Cannot remove torrent file %s in webtorrent download.', file.name, { err })) res(path) }) }) file.createReadStream().pipe(writeStream) }) torrent.on('error', err => rej(err)) }) } // --------------------------------------------------------------------------- export { downloadWebTorrentVideo }