server/lib/jobs/transcoding-job-scheduler/video-file-transcoder-handler.ts

   1 import { database as db } from '../../../initializers/database'
   2 import { updateVideoToFriends } from '../../friends'
   3 import { logger } from '../../../helpers'
   4 import { VideoInstance } from '../../../models'
   5 import { VideoResolution } from '../../../../shared'
   6
   7 async function process (data: { videoUUID: string, resolution: VideoResolution }, jobId: number) {
   8   const video = await db.Video.loadByUUIDAndPopulateAccountAndPodAndTags(data.videoUUID)
   9   // No video, maybe deleted?
  10   if (!video) {
  11     logger.info('Do not process job %d, video does not exist.', jobId, { videoUUID: video.uuid })
  12     return undefined
  13   }
  14
  15   await video.transcodeOriginalVideofile(data.resolution)
  16
  17   return video
  18 }
  19
  20 function onError (err: Error, jobId: number) {
  21   logger.error('Error when transcoding video file in job %d.', jobId, err)
  22   return Promise.resolve()
  23 }
  24
  25 async function onSuccess (jobId: number, video: VideoInstance) {
  26   if (video === undefined) return undefined
  27
  28   logger.info('Job %d is a success.', jobId)
  29
  30   // Maybe the video changed in database, refresh it
  31   const videoDatabase = await db.Video.loadByUUIDAndPopulateAccountAndPodAndTags(video.uuid)
  32   // Video does not exist anymore
  33   if (!videoDatabase) return undefined
  34
  35   const remoteVideo = videoDatabase.toUpdateRemoteJSON()
  36
  37   // Now we'll add the video's meta data to our friends
  38   await updateVideoToFriends(remoteVideo, null)
  39
  40   return undefined
  41 }
  42
  43 // ---------------------------------------------------------------------------
  44
  45 export {
  46   process,
  47   onError,
  48   onSuccess
  49 }