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server/core/lib/live-videos/live-video-jobs.ts

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+import { JobQueue } from '@server/lib/job-queue/index.js'
+import { LiveVideoModel, LiveVideoStatus } from '@server/models/video/live-video.js'
+import { getLiveVideoStartJobId, LIVE_VIDEO_START_JOB_TYPE, LIVE_VIDEO_START_LEAD_TIME_MS } from './shared.js'
+
+export async function syncLiveVideoStartJob (liveVideo: LiveVideoModel, options: {
+  replace: boolean
+}) {
+  const jobId = getLiveVideoStartJobId(liveVideo.id)
+  const existingJob = await JobQueue.Instance.getJob(LIVE_VIDEO_START_JOB_TYPE, jobId)
+
+  if (existingJob) {
+    const state = await existingJob.getState()
+
+    if (options.replace && state === 'active') {
+      return existingJob
+    }
+
+    if (!options.replace) {
+      if (state !== 'completed' && state !== 'failed') return existingJob
+    }
+
+    await existingJob.remove()
+  }
+
+  if (liveVideo.status !== LiveVideoStatus.SCHEDULED) return undefined
+  if (liveVideo.endTime.getTime() <= Date.now()) return undefined
+
+  const delay = Math.max(0, liveVideo.startTime.getTime() - Date.now() - LIVE_VIDEO_START_LEAD_TIME_MS)
+
+  return JobQueue.Instance.createJob({
+    type: LIVE_VIDEO_START_JOB_TYPE,
+    payload: { liveVideoId: liveVideo.id },
+    delay,
+    jobId
+  })
+}
+
+export async function removeLiveVideoStartJob (liveVideoId: number) {
+  const jobId = getLiveVideoStartJobId(liveVideoId)
+  const existingJob = await JobQueue.Instance.getJob(LIVE_VIDEO_START_JOB_TYPE, jobId)
+  if (!existingJob) return false
+
+  const state = await existingJob.getState()
+  if (state === 'active') return false
+
+  await existingJob.remove()
+  return true
+}