PeerTube/server/lib/schedulers/update-videos-scheduler.ts

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import { logger } from '../../helpers/logger'
import { AbstractScheduler } from './abstract-scheduler'
import { ScheduleVideoUpdateModel } from '../../models/video/schedule-video-update'
import { retryTransactionWrapper } from '../../helpers/database-utils'
import { federateVideoIfNeeded } from '../activitypub'
import { SCHEDULER_INTERVALS_MS, sequelizeTypescript } from '../../initializers'
import { VideoPrivacy } from '../../../shared/models/videos'
export class UpdateVideosScheduler extends AbstractScheduler {
private static instance: AbstractScheduler
protected schedulerIntervalMs = SCHEDULER_INTERVALS_MS.updateVideos
private isRunning = false
private constructor () {
super()
}
async execute () {
if (this.isRunning === true) return
this.isRunning = true
try {
await retryTransactionWrapper(this.updateVideos.bind(this))
} catch (err) {
logger.error('Cannot execute update videos scheduler.', { err })
} finally {
this.isRunning = false
}
}
private async updateVideos () {
if (!await ScheduleVideoUpdateModel.areVideosToUpdate()) return undefined
return sequelizeTypescript.transaction(async t => {
const schedules = await ScheduleVideoUpdateModel.listVideosToUpdate(t)
for (const schedule of schedules) {
const video = schedule.Video
logger.info('Executing scheduled video update on %s.', video.uuid)
if (schedule.privacy) {
const oldPrivacy = video.privacy
const isNewVideo = oldPrivacy === VideoPrivacy.PRIVATE
video.privacy = schedule.privacy
if (isNewVideo === true) video.publishedAt = new Date()
await video.save({ transaction: t })
await federateVideoIfNeeded(video, isNewVideo, t)
}
await schedule.destroy({ transaction: t })
}
})
}
static get Instance () {
return this.instance || (this.instance = new this())
}
}