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1 | import { join } from 'path' | |
2 | import { FILES_CACHE } from '../../initializers/constants' | |
3 | import { VideoModel } from '../../models/video/video' | |
4 | import { VideoCaptionModel } from '../../models/video/video-caption' | |
5 | import { AbstractVideoStaticFileCache } from './abstract-video-static-file-cache' | |
6 | import { CONFIG } from '../../initializers/config' | |
7 | import { logger } from '../../helpers/logger' | |
8 | import { fetchRemoteVideoStaticFile } from '../activitypub' | |
9 | ||
10 | type GetPathParam = { videoId: string, language: string } | |
11 | ||
12 | class VideosCaptionCache extends AbstractVideoStaticFileCache <GetPathParam> { | |
13 | ||
14 | private static readonly KEY_DELIMITER = '%' | |
15 | private static instance: VideosCaptionCache | |
16 | ||
17 | private constructor () { | |
18 | super() | |
19 | } | |
20 | ||
21 | static get Instance () { | |
22 | return this.instance || (this.instance = new this()) | |
23 | } | |
24 | ||
25 | async getFilePathImpl (params: GetPathParam) { | |
26 | const videoCaption = await VideoCaptionModel.loadByVideoIdAndLanguage(params.videoId, params.language) | |
27 | if (!videoCaption) return undefined | |
28 | ||
29 | if (videoCaption.isOwned()) return { isOwned: true, path: join(CONFIG.STORAGE.CAPTIONS_DIR, videoCaption.getCaptionName()) } | |
30 | ||
31 | const key = params.videoId + VideosCaptionCache.KEY_DELIMITER + params.language | |
32 | return this.loadRemoteFile(key) | |
33 | } | |
34 | ||
35 | protected async loadRemoteFile (key: string) { | |
36 | logger.debug('Loading remote caption file %s.', key) | |
37 | ||
38 | const [ videoId, language ] = key.split(VideosCaptionCache.KEY_DELIMITER) | |
39 | ||
40 | const videoCaption = await VideoCaptionModel.loadByVideoIdAndLanguage(videoId, language) | |
41 | if (!videoCaption) return undefined | |
42 | ||
43 | if (videoCaption.isOwned()) throw new Error('Cannot load remote caption of owned video.') | |
44 | ||
45 | // Used to fetch the path | |
46 | const video = await VideoModel.loadAndPopulateAccountAndServerAndTags(videoId) | |
47 | if (!video) return undefined | |
48 | ||
49 | // FIXME: use URL | |
50 | const remoteStaticPath = videoCaption.getCaptionStaticPath() | |
51 | const destPath = join(FILES_CACHE.VIDEO_CAPTIONS.DIRECTORY, videoCaption.getCaptionName()) | |
52 | ||
53 | await fetchRemoteVideoStaticFile(video, remoteStaticPath, destPath) | |
54 | ||
55 | return { isOwned: false, path: destPath } | |
56 | } | |
57 | } | |
58 | ||
59 | export { | |
60 | VideosCaptionCache | |
61 | } |