Init commit

server/core/lib/schedulers/live-video-start-scheduler.ts

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+import { logger, loggerTagsFactory } from '@server/helpers/logger.js'
+import { SCHEDULER_INTERVALS_MS } from '@server/initializers/constants.js'
+import { syncLiveVideoStartJob } from '@server/lib/live-videos/live-video-jobs.js'
+import { LIVE_VIDEO_START_LEAD_TIME_MS } from '@server/lib/live-videos/shared.js'
+import { LiveVideoModel } from '@server/models/video/live-video.js'
+import { AbstractScheduler } from './abstract-scheduler.js'
+
+const lTags = loggerTagsFactory('schedulers', 'live-video-start')
+const RECOVERY_WINDOW_MS = 5 * 60 * 1000
+
+export class LiveVideoStartScheduler extends AbstractScheduler {
+  private static instance: AbstractScheduler
+
+  protected schedulerIntervalMs = SCHEDULER_INTERVALS_MS.LIVE_VIDEO_START
+
+  private constructor () {
+    super({ randomRunOnEnable: false })
+  }
+
+  protected async internalExecute () {
+    logger.debug('Running live video start scheduler', lTags())
+
+    const now = Date.now()
+    const liveVideos = await LiveVideoModel.listForStarting({
+      startBefore: new Date(now + RECOVERY_WINDOW_MS + LIVE_VIDEO_START_LEAD_TIME_MS),
+      endAfter: new Date(now)
+    })
+    
+    for (const liveVideo of liveVideos) {
+      await syncLiveVideoStartJob(liveVideo, { replace: false })
+    }
+  }
+
+  static get Instance () {
+    return this.instance || (this.instance = new this())
+  }
+}