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1 | import { join } from 'path' | |
2 | import { CACHE, CONFIG } from '../../initializers' | |
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 | ||
7 | type GetPathParam = { videoId: string, language: string } | |
8 | ||
9 | class VideosCaptionCache extends AbstractVideoStaticFileCache <GetPathParam> { | |
10 | ||
11 | private static readonly KEY_DELIMITER = '%' | |
12 | private static instance: VideosCaptionCache | |
13 | ||
14 | private constructor () { | |
15 | super() | |
16 | } | |
17 | ||
18 | static get Instance () { | |
19 | return this.instance || (this.instance = new this()) | |
20 | } | |
21 | ||
22 | async getFilePath (params: GetPathParam) { | |
23 | const videoCaption = await VideoCaptionModel.loadByVideoIdAndLanguage(params.videoId, params.language) | |
24 | if (!videoCaption) return undefined | |
25 | ||
26 | if (videoCaption.isOwned()) return join(CONFIG.STORAGE.CAPTIONS_DIR, videoCaption.getCaptionName()) | |
27 | ||
28 | const key = params.videoId + VideosCaptionCache.KEY_DELIMITER + params.language | |
29 | return this.loadFromLRU(key) | |
30 | } | |
31 | ||
32 | protected async loadRemoteFile (key: string) { | |
33 | const [ videoId, language ] = key.split(VideosCaptionCache.KEY_DELIMITER) | |
34 | ||
35 | const videoCaption = await VideoCaptionModel.loadByVideoIdAndLanguage(videoId, language) | |
36 | if (!videoCaption) return undefined | |
37 | ||
38 | if (videoCaption.isOwned()) throw new Error('Cannot load remote caption of owned video.') | |
39 | ||
40 | // Used to fetch the path | |
41 | const video = await VideoModel.loadAndPopulateAccountAndServerAndTags(videoId) | |
42 | if (!video) return undefined | |
43 | ||
44 | const remoteStaticPath = videoCaption.getCaptionStaticPath() | |
45 | const destPath = join(CACHE.VIDEO_CAPTIONS.DIRECTORY, videoCaption.getCaptionName()) | |
46 | ||
47 | return this.saveRemoteVideoFileAndReturnPath(video, remoteStaticPath, destPath) | |
48 | } | |
49 | } | |
50 | ||
51 | export { | |
52 | VideosCaptionCache | |
53 | } |