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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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