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