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import { join } from 'path'
import { FILES_CACHE, STATIC_PATHS } from '../../initializers/constants'
import { VideoModel } from '../../models/video/video'
import { AbstractVideoStaticFileCache } from './abstract-video-static-file-cache'
import { CONFIG } from '../../initializers/config'
import { fetchRemoteVideoStaticFile } from '../activitypub'
class VideosPreviewCache extends AbstractVideoStaticFileCache <string> {
private static instance: VideosPreviewCache
private constructor () {
super()
}
static get Instance () {
return this.instance || (this.instance = new this())
}
async getFilePathImpl (videoUUID: string) {
const video = await VideoModel.loadByUUIDWithFile(videoUUID)
if (!video) return undefined
if (video.isOwned()) return { isOwned: true, path: join(CONFIG.STORAGE.PREVIEWS_DIR, video.getPreview().filename) }
return this.loadRemoteFile(videoUUID)
}
protected async loadRemoteFile (key: string) {
const video = await VideoModel.loadAndPopulateAccountAndServerAndTags(key)
if (!video) return undefined
if (video.isOwned()) throw new Error('Cannot load remote preview of owned video.')
// FIXME: use URL
const remoteStaticPath = join(STATIC_PATHS.PREVIEWS, video.getPreview().filename)
const destPath = join(FILES_CACHE.PREVIEWS.DIRECTORY, video.getPreview().filename)
await fetchRemoteVideoStaticFile(video, remoteStaticPath, destPath)
return { isOwned: false, path: destPath }
}
}
export {
VideosPreviewCache
}
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