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import { join } from 'path'
import { doRequestAndSaveToFile } from '@server/helpers/requests'
import { VideoFileModel } from '@server/models/video/video-file'
import { CONFIG } from '../../initializers/config'
import { FILES_CACHE } from '../../initializers/constants'
import { VideoModel } from '../../models/video/video'
import { AbstractVideoStaticFileCache } from './abstract-video-static-file-cache'
import { MVideo, MVideoFile } from '@server/types/models'
class VideosTorrentCache extends AbstractVideoStaticFileCache <string> {
private static instance: VideosTorrentCache
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)
await doRequestAndSaveToFile(remoteUrl, destPath)
const downloadName = this.buildDownloadName(video, file)
return { isOwned: false, path: destPath, downloadName }
}
private buildDownloadName (video: MVideo, file: MVideoFile) {
return `${video.name}-${file.resolution}p.torrent`
}
}
export {
VideosTorrentCache
}
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