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peertube/server/lib/cache/videos-preview-cache.ts
2018-07-16 14:31:40 +02:00

42 lines
1.3 KiB
TypeScript

import { join } from 'path'
import { CACHE, CONFIG, STATIC_PATHS } from '../../initializers'
import { VideoModel } from '../../models/video/video'
import { AbstractVideoStaticFileCache } from './abstract-video-static-file-cache'
class VideosPreviewCache extends AbstractVideoStaticFileCache <string> {
private static instance: VideosPreviewCache
private constructor () {
super()
}
static get Instance () {
return this.instance || (this.instance = new this())
}
async getFilePath (videoUUID: string) {
const video = await VideoModel.loadByUUID(videoUUID)
if (!video) return undefined
if (video.isOwned()) return join(CONFIG.STORAGE.PREVIEWS_DIR, video.getPreviewName())
return this.loadFromLRU(videoUUID)
}
protected async loadRemoteFile (key: string) {
const video = await VideoModel.loadByUUIDAndPopulateAccountAndServerAndTags(key)
if (!video) return undefined
if (video.isOwned()) throw new Error('Cannot load remote preview of owned video.')
const remoteStaticPath = join(STATIC_PATHS.PREVIEWS, video.getPreviewName())
const destPath = join(CACHE.PREVIEWS.DIRECTORY, video.getPreviewName())
return this.saveRemoteVideoFileAndReturnPath(video, remoteStaticPath, destPath)
}
}
export {
VideosPreviewCache
}