54 lines
1.8 KiB
TypeScript
54 lines
1.8 KiB
TypeScript
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import { join } from 'path'
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import { CACHE, CONFIG } from '../../initializers'
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import { VideoModel } from '../../models/video/video'
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import { VideoCaptionModel } from '../../models/video/video-caption'
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import { AbstractVideoStaticFileCache } from './abstract-video-static-file-cache'
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type GetPathParam = { videoId: string, language: string }
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class VideosCaptionCache extends AbstractVideoStaticFileCache <GetPathParam> {
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private static readonly KEY_DELIMITER = '%'
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private static instance: VideosCaptionCache
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private constructor () {
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super()
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}
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static get Instance () {
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return this.instance || (this.instance = new this())
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}
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async getFilePath (params: GetPathParam) {
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const videoCaption = await VideoCaptionModel.loadByVideoIdAndLanguage(params.videoId, params.language)
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if (!videoCaption) return undefined
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if (videoCaption.isOwned()) return join(CONFIG.STORAGE.CAPTIONS_DIR, videoCaption.getCaptionName())
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const key = params.videoId + VideosCaptionCache.KEY_DELIMITER + params.language
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return this.loadFromLRU(key)
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}
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protected async loadRemoteFile (key: string) {
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const [ videoId, language ] = key.split(VideosCaptionCache.KEY_DELIMITER)
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const videoCaption = await VideoCaptionModel.loadByVideoIdAndLanguage(videoId, language)
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if (!videoCaption) return undefined
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if (videoCaption.isOwned()) throw new Error('Cannot load remote caption of owned video.')
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// Used to fetch the path
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const video = await VideoModel.loadByUUIDAndPopulateAccountAndServerAndTags(videoId)
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if (!video) return undefined
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const remoteStaticPath = videoCaption.getCaptionStaticPath()
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const destPath = join(CACHE.DIRECTORIES.VIDEO_CAPTIONS, videoCaption.getCaptionName())
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return this.saveRemoteVideoFileAndReturnPath(video, remoteStaticPath, destPath)
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}
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}
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export {
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VideosCaptionCache
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}
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