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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 { AbstractVideoStaticFileCache } from './abstract-video-static-file-cache' | |
5 | import { doRequestAndSaveToFile } from '@server/helpers/requests' | |
6 | ||
7 | class VideosPreviewCache extends AbstractVideoStaticFileCache <string> { | |
8 | ||
9 | private static instance: VideosPreviewCache | |
10 | ||
11 | private constructor () { | |
12 | super() | |
13 | } | |
14 | ||
15 | static get Instance () { | |
16 | return this.instance || (this.instance = new this()) | |
17 | } | |
18 | ||
19 | async getFilePathImpl (videoUUID: string) { | |
20 | const video = await VideoModel.loadByUUID(videoUUID) | |
21 | if (!video) return undefined | |
22 | ||
23 | if (video.isOwned()) return { isOwned: true, path: video.getPreview().getPath() } | |
24 | ||
25 | return this.loadRemoteFile(videoUUID) | |
26 | } | |
27 | ||
28 | protected async loadRemoteFile (key: string) { | |
29 | const video = await VideoModel.loadAndPopulateAccountAndServerAndTags(key) | |
30 | if (!video) return undefined | |
31 | ||
32 | if (video.isOwned()) throw new Error('Cannot load remote preview of owned video.') | |
33 | ||
34 | const preview = video.getPreview() | |
35 | const destPath = join(FILES_CACHE.PREVIEWS.DIRECTORY, preview.filename) | |
36 | ||
37 | const remoteUrl = preview.getFileUrl(video) | |
38 | await doRequestAndSaveToFile({ uri: remoteUrl }, destPath) | |
39 | ||
40 | return { isOwned: false, path: destPath } | |
41 | } | |
42 | } | |
43 | ||
44 | export { | |
45 | VideosPreviewCache | |
46 | } |