PeerTube/server/core/lib/activitypub/cache-file.ts

88 lines
3.0 KiB
TypeScript

import { Transaction } from 'sequelize'
import { MActorId, MVideoRedundancy, MVideoWithAllFiles } from '@server/types/models/index.js'
import { CacheFileObject, VideoStreamingPlaylistType } from '@peertube/peertube-models'
import { VideoRedundancyModel } from '../../models/redundancy/video-redundancy.js'
import { exists } from '@server/helpers/custom-validators/misc.js'
async function createOrUpdateCacheFile (cacheFileObject: CacheFileObject, video: MVideoWithAllFiles, byActor: MActorId, t: Transaction) {
const redundancyModel = await VideoRedundancyModel.loadByUrl(cacheFileObject.id, t)
if (redundancyModel) {
return updateCacheFile(cacheFileObject, redundancyModel, video, byActor, t)
}
return createCacheFile(cacheFileObject, video, byActor, t)
}
// ---------------------------------------------------------------------------
export {
createOrUpdateCacheFile
}
// ---------------------------------------------------------------------------
function createCacheFile (cacheFileObject: CacheFileObject, video: MVideoWithAllFiles, byActor: MActorId, t: Transaction) {
const attributes = cacheFileActivityObjectToDBAttributes(cacheFileObject, video, byActor)
return VideoRedundancyModel.create(attributes, { transaction: t })
}
function updateCacheFile (
cacheFileObject: CacheFileObject,
redundancyModel: MVideoRedundancy,
video: MVideoWithAllFiles,
byActor: MActorId,
t: Transaction
) {
if (redundancyModel.actorId !== byActor.id) {
throw new Error('Cannot update redundancy ' + redundancyModel.url + ' of another actor.')
}
const attributes = cacheFileActivityObjectToDBAttributes(cacheFileObject, video, byActor)
redundancyModel.expiresOn = attributes.expiresOn
redundancyModel.fileUrl = attributes.fileUrl
return redundancyModel.save({ transaction: t })
}
function cacheFileActivityObjectToDBAttributes (cacheFileObject: CacheFileObject, video: MVideoWithAllFiles, byActor: MActorId) {
if (cacheFileObject.url.mediaType === 'application/x-mpegURL') {
const url = cacheFileObject.url
const playlist = video.VideoStreamingPlaylists.find(t => t.type === VideoStreamingPlaylistType.HLS)
if (!playlist) throw new Error('Cannot find HLS playlist of video ' + video.url)
return {
expiresOn: cacheFileObject.expires ? new Date(cacheFileObject.expires) : null,
url: cacheFileObject.id,
fileUrl: url.href,
strategy: null,
videoStreamingPlaylistId: playlist.id,
actorId: byActor.id
}
}
const url = cacheFileObject.url
const urlFPS = exists(url.fps) // TODO: compat with < 6.1, remove in 7.0
? url.fps
: url['_:fps']
const videoFile = video.VideoFiles.find(f => {
return f.resolution === url.height && f.fps === urlFPS
})
if (!videoFile) throw new Error(`Cannot find video file ${url.height} ${urlFPS} of video ${video.url}`)
return {
expiresOn: cacheFileObject.expires ? new Date(cacheFileObject.expires) : null,
url: cacheFileObject.id,
fileUrl: url.href,
strategy: null,
videoFileId: videoFile.id,
actorId: byActor.id
}
}