PeerTube/server/core/lib/files-cache/video-captions-simple-file-...

62 lines
1.9 KiB
TypeScript

import { join } from 'path'
import { logger } from '@server/helpers/logger.js'
import { doRequestAndSaveToFile } from '@server/helpers/requests.js'
import { CONFIG } from '../../initializers/config.js'
import { FILES_CACHE } from '../../initializers/constants.js'
import { VideoModel } from '../../models/video/video.js'
import { VideoCaptionModel } from '../../models/video/video-caption.js'
import { AbstractSimpleFileCache } from './shared/abstract-simple-file-cache.js'
class VideoCaptionsSimpleFileCache extends AbstractSimpleFileCache <string> {
private static instance: VideoCaptionsSimpleFileCache
private constructor () {
super()
}
static get Instance () {
return this.instance || (this.instance = new this())
}
async getFilePathImpl (filename: string) {
const videoCaption = await VideoCaptionModel.loadWithVideoByFilename(filename)
if (!videoCaption) return undefined
if (videoCaption.isOwned()) {
return { isOwned: true, path: join(CONFIG.STORAGE.CAPTIONS_DIR, videoCaption.filename) }
}
return this.loadRemoteFile(filename)
}
// Key is the caption filename
protected async loadRemoteFile (key: string) {
const videoCaption = await VideoCaptionModel.loadWithVideoByFilename(key)
if (!videoCaption) return undefined
if (videoCaption.isOwned()) throw new Error('Cannot load remote caption of owned video.')
// Used to fetch the path
const video = await VideoModel.loadFull(videoCaption.videoId)
if (!video) return undefined
const remoteUrl = videoCaption.getFileUrl(video)
const destPath = join(FILES_CACHE.VIDEO_CAPTIONS.DIRECTORY, videoCaption.filename)
try {
await doRequestAndSaveToFile(remoteUrl, destPath)
return { isOwned: false, path: destPath }
} catch (err) {
logger.info('Cannot fetch remote caption file %s.', remoteUrl, { err })
return undefined
}
}
}
export {
VideoCaptionsSimpleFileCache
}