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peertube/server/lib/video-state.ts
2021-11-09 15:00:21 +01:00

112 lines
3.8 KiB
TypeScript

import { Transaction } from 'sequelize'
import { logger } from '@server/helpers/logger'
import { CONFIG } from '@server/initializers/config'
import { sequelizeTypescript } from '@server/initializers/database'
import { VideoModel } from '@server/models/video/video'
import { VideoJobInfoModel } from '@server/models/video/video-job-info'
import { MVideoFullLight, MVideoUUID } from '@server/types/models'
import { VideoState } from '@shared/models'
import { federateVideoIfNeeded } from './activitypub/videos'
import { Notifier } from './notifier'
import { addMoveToObjectStorageJob } from './video'
function buildNextVideoState (currentState?: VideoState) {
if (currentState === VideoState.PUBLISHED) {
throw new Error('Video is already in its final state')
}
if (
currentState !== VideoState.TO_TRANSCODE &&
currentState !== VideoState.TO_MOVE_TO_EXTERNAL_STORAGE &&
CONFIG.TRANSCODING.ENABLED
) {
return VideoState.TO_TRANSCODE
}
if (
currentState !== VideoState.TO_MOVE_TO_EXTERNAL_STORAGE &&
CONFIG.OBJECT_STORAGE.ENABLED
) {
return VideoState.TO_MOVE_TO_EXTERNAL_STORAGE
}
return VideoState.PUBLISHED
}
function moveToNextState (video: MVideoUUID, isNewVideo = true) {
return sequelizeTypescript.transaction(async t => {
// Maybe the video changed in database, refresh it
const videoDatabase = await VideoModel.loadAndPopulateAccountAndServerAndTags(video.uuid, t)
// Video does not exist anymore
if (!videoDatabase) return undefined
// Already in its final state
if (videoDatabase.state === VideoState.PUBLISHED) {
return federateVideoIfNeeded(videoDatabase, false, t)
}
const newState = buildNextVideoState(videoDatabase.state)
if (newState === VideoState.PUBLISHED) {
return moveToPublishedState(videoDatabase, isNewVideo, t)
}
if (newState === VideoState.TO_MOVE_TO_EXTERNAL_STORAGE) {
return moveToExternalStorageState(videoDatabase, isNewVideo, t)
}
})
}
async function moveToExternalStorageState (video: MVideoFullLight, isNewVideo: boolean, transaction: Transaction) {
const videoJobInfo = await VideoJobInfoModel.load(video.id, transaction)
const pendingTranscode = videoJobInfo?.pendingTranscode || 0
// We want to wait all transcoding jobs before moving the video on an external storage
if (pendingTranscode !== 0) return false
await video.setNewState(VideoState.TO_MOVE_TO_EXTERNAL_STORAGE, isNewVideo, transaction)
logger.info('Creating external storage move job for video %s.', video.uuid, { tags: [ video.uuid ] })
try {
await addMoveToObjectStorageJob(video, isNewVideo)
return true
} catch (err) {
logger.error('Cannot add move to object storage job', { err })
return false
}
}
function moveToFailedTranscodingState (video: MVideoFullLight) {
return video.setNewState(VideoState.TRANSCODING_FAILED, false, undefined)
}
// ---------------------------------------------------------------------------
export {
buildNextVideoState,
moveToExternalStorageState,
moveToFailedTranscodingState,
moveToNextState
}
// ---------------------------------------------------------------------------
async function moveToPublishedState (video: MVideoFullLight, isNewVideo: boolean, transaction: Transaction) {
logger.info('Publishing video %s.', video.uuid, { tags: [ video.uuid ] })
const previousState = video.state
await video.setNewState(VideoState.PUBLISHED, isNewVideo, transaction)
// If the video was not published, we consider it is a new one for other instances
// Live videos are always federated, so it's not a new video
await federateVideoIfNeeded(video, isNewVideo, transaction)
if (isNewVideo) Notifier.Instance.notifyOnNewVideoIfNeeded(video)
if (previousState === VideoState.TO_TRANSCODE) {
Notifier.Instance.notifyOnVideoPublishedAfterTranscoding(video)
}
}