import { join } from 'path' import { logger } from '@server/helpers/logger.js' import { doRequestAndSaveToFile } from '@server/helpers/requests.js' import { VideoFileModel } from '@server/models/video/video-file.js' import { MVideo, MVideoFile } from '@server/types/models/index.js' import { CONFIG } from '../../initializers/config.js' import { FILES_CACHE } from '../../initializers/constants.js' import { VideoModel } from '../../models/video/video.js' import { AbstractSimpleFileCache } from './shared/abstract-simple-file-cache.js' class VideoTorrentsSimpleFileCache extends AbstractSimpleFileCache { private static instance: VideoTorrentsSimpleFileCache private constructor () { super() } static get Instance () { return this.instance || (this.instance = new this()) } async getFilePathImpl (filename: string) { const file = await VideoFileModel.loadWithVideoOrPlaylistByTorrentFilename(filename) if (!file) return undefined if (file.getVideo().isOwned()) { const downloadName = this.buildDownloadName(file.getVideo(), file) return { isOwned: true, path: join(CONFIG.STORAGE.TORRENTS_DIR, file.torrentFilename), downloadName } } return this.loadRemoteFile(filename) } // Key is the torrent filename protected async loadRemoteFile (key: string) { const file = await VideoFileModel.loadWithVideoOrPlaylistByTorrentFilename(key) if (!file) return undefined if (file.getVideo().isOwned()) throw new Error('Cannot load remote file of owned video.') // Used to fetch the path const video = await VideoModel.loadFull(file.getVideo().id) if (!video) return undefined const remoteUrl = file.getRemoteTorrentUrl(video) const destPath = join(FILES_CACHE.TORRENTS.DIRECTORY, file.torrentFilename) try { await doRequestAndSaveToFile(remoteUrl, destPath) const downloadName = this.buildDownloadName(video, file) return { isOwned: false, path: destPath, downloadName } } catch (err) { logger.info('Cannot fetch remote torrent file %s.', remoteUrl, { err }) return undefined } } private buildDownloadName (video: MVideo, file: MVideoFile) { return `${video.name}-${file.resolution}p.torrent` } } export { VideoTorrentsSimpleFileCache }