mirror of https://github.com/Chocobozzz/PeerTube
83 lines
2.8 KiB
TypeScript
83 lines
2.8 KiB
TypeScript
import { ActivityPlaylistUrlObject, ActivityVideoUrlObject, CacheFileObject } from '../../../shared/index'
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import { VideoModel } from '../../models/video/video'
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import { VideoRedundancyModel } from '../../models/redundancy/video-redundancy'
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import { Transaction } from 'sequelize'
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import { VideoStreamingPlaylistType } from '../../../shared/models/videos/video-streaming-playlist.type'
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function cacheFileActivityObjectToDBAttributes (cacheFileObject: CacheFileObject, video: VideoModel, byActor: { id?: number }) {
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if (cacheFileObject.url.mediaType === 'application/x-mpegURL') {
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const url = cacheFileObject.url
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const playlist = video.VideoStreamingPlaylists.find(t => t.type === VideoStreamingPlaylistType.HLS)
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if (!playlist) throw new Error('Cannot find HLS playlist of video ' + video.url)
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return {
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expiresOn: new Date(cacheFileObject.expires),
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url: cacheFileObject.id,
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fileUrl: url.href,
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strategy: null,
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videoStreamingPlaylistId: playlist.id,
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actorId: byActor.id
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}
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}
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const url = cacheFileObject.url
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const videoFile = video.VideoFiles.find(f => {
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return f.resolution === url.height && f.fps === url.fps
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})
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if (!videoFile) throw new Error(`Cannot find video file ${url.height} ${url.fps} of video ${video.url}`)
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return {
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expiresOn: new Date(cacheFileObject.expires),
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url: cacheFileObject.id,
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fileUrl: url.href,
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strategy: null,
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videoFileId: videoFile.id,
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actorId: byActor.id
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}
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}
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async function createOrUpdateCacheFile (cacheFileObject: CacheFileObject, video: VideoModel, byActor: { id?: number }, t: Transaction) {
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const redundancyModel = await VideoRedundancyModel.loadByUrl(cacheFileObject.id, t)
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if (!redundancyModel) {
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await createCacheFile(cacheFileObject, video, byActor, t)
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} else {
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await updateCacheFile(cacheFileObject, redundancyModel, video, byActor, t)
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}
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}
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function createCacheFile (cacheFileObject: CacheFileObject, video: VideoModel, byActor: { id?: number }, t: Transaction) {
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const attributes = cacheFileActivityObjectToDBAttributes(cacheFileObject, video, byActor)
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return VideoRedundancyModel.create(attributes, { transaction: t })
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}
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function updateCacheFile (
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cacheFileObject: CacheFileObject,
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redundancyModel: VideoRedundancyModel,
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video: VideoModel,
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byActor: { id?: number },
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t: Transaction
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) {
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if (redundancyModel.actorId !== byActor.id) {
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throw new Error('Cannot update redundancy ' + redundancyModel.url + ' of another actor.')
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}
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const attributes = cacheFileActivityObjectToDBAttributes(cacheFileObject, video, byActor)
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redundancyModel.set('expires', attributes.expiresOn)
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redundancyModel.set('fileUrl', attributes.fileUrl)
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return redundancyModel.save({ transaction: t })
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}
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export {
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createOrUpdateCacheFile,
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createCacheFile,
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updateCacheFile,
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cacheFileActivityObjectToDBAttributes
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}
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