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- import { join } from 'path'
- import { FILES_CACHE } from '../../initializers/constants'
- import { VideoModel } from '../../models/video/video'
- import { VideoCaptionModel } from '../../models/video/video-caption'
- import { AbstractVideoStaticFileCache } from './abstract-video-static-file-cache'
- import { CONFIG } from '../../initializers/config'
- import { logger } from '../../helpers/logger'
- import { fetchRemoteVideoStaticFile } from '../activitypub'
- type GetPathParam = { videoId: string, language: string }
- class VideosCaptionCache extends AbstractVideoStaticFileCache <GetPathParam> {
- private static readonly KEY_DELIMITER = '%'
- private static instance: VideosCaptionCache
- private constructor () {
- super()
- }
- static get Instance () {
- return this.instance || (this.instance = new this())
- }
- async getFilePathImpl (params: GetPathParam) {
- const videoCaption = await VideoCaptionModel.loadByVideoIdAndLanguage(params.videoId, params.language)
- if (!videoCaption) return undefined
- if (videoCaption.isOwned()) return { isOwned: true, path: join(CONFIG.STORAGE.CAPTIONS_DIR, videoCaption.getCaptionName()) }
- const key = params.videoId + VideosCaptionCache.KEY_DELIMITER + params.language
- return this.loadRemoteFile(key)
- }
- protected async loadRemoteFile (key: string) {
- logger.debug('Loading remote caption file %s.', key)
- const [ videoId, language ] = key.split(VideosCaptionCache.KEY_DELIMITER)
- const videoCaption = await VideoCaptionModel.loadByVideoIdAndLanguage(videoId, language)
- 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.loadAndPopulateAccountAndServerAndTags(videoId)
- if (!video) return undefined
- // FIXME: use URL
- const remoteStaticPath = videoCaption.getCaptionStaticPath()
- const destPath = join(FILES_CACHE.VIDEO_CAPTIONS.DIRECTORY, videoCaption.getCaptionName())
- await fetchRemoteVideoStaticFile(video, remoteStaticPath, destPath)
- return { isOwned: false, path: destPath }
- }
- }
- export {
- VideosCaptionCache
- }
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