1 import { join } from 'path'
2 import { FILES_CACHE, STATIC_PATHS } from '../../initializers'
3 import { VideoModel } from '../../models/video/video'
4 import { AbstractVideoStaticFileCache } from './abstract-video-static-file-cache'
5 import { CONFIG } from '../../initializers/config'
7 class VideosPreviewCache extends AbstractVideoStaticFileCache <string> {
9 private static instance: VideosPreviewCache
11 private constructor () {
15 static get Instance () {
16 return this.instance || (this.instance = new this())
19 async getFilePath (videoUUID: string) {
20 const video = await VideoModel.loadByUUIDWithFile(videoUUID)
21 if (!video) return undefined
23 if (video.isOwned()) return join(CONFIG.STORAGE.PREVIEWS_DIR, video.getPreviewName())
25 return this.loadFromLRU(videoUUID)
28 protected async loadRemoteFile (key: string) {
29 const video = await VideoModel.loadAndPopulateAccountAndServerAndTags(key)
30 if (!video) return undefined
32 if (video.isOwned()) throw new Error('Cannot load remote preview of owned video.')
34 const remoteStaticPath = join(STATIC_PATHS.PREVIEWS, video.getPreviewName())
35 const destPath = join(FILES_CACHE.PREVIEWS.DIRECTORY, video.getPreviewName())
37 return this.saveRemoteVideoFileAndReturnPath(video, remoteStaticPath, destPath)