Begin moving video channel to actor
[oweals/peertube.git] / server / lib / jobs / transcoding-job-scheduler / video-file-optimizer-handler.ts
1 import * as Bluebird from 'bluebird'
2 import { computeResolutionsToTranscode, logger } from '../../../helpers'
3 import { sequelizeTypescript } from '../../../initializers'
4 import { VideoModel } from '../../../models/video/video'
5 import { shareVideoByServer } from '../../activitypub'
6 import { sendCreateVideo } from '../../activitypub/send'
7 import { JobScheduler } from '../job-scheduler'
8 import { TranscodingJobPayload } from './transcoding-job-scheduler'
9
10 async function process (data: TranscodingJobPayload, jobId: number) {
11   const video = await VideoModel.loadByUUIDAndPopulateAccountAndServerAndTags(data.videoUUID)
12   // No video, maybe deleted?
13   if (!video) {
14     logger.info('Do not process job %d, video does not exist.', jobId, { videoUUID: video.uuid })
15     return undefined
16   }
17
18   await video.optimizeOriginalVideofile()
19
20   return video
21 }
22
23 function onError (err: Error, jobId: number) {
24   logger.error('Error when optimized video file in job %d.', jobId, err)
25   return Promise.resolve()
26 }
27
28 async function onSuccess (jobId: number, video: VideoModel, jobScheduler: JobScheduler<TranscodingJobPayload, VideoModel>) {
29   if (video === undefined) return undefined
30
31   logger.info('Job %d is a success.', jobId)
32
33   // Maybe the video changed in database, refresh it
34   const videoDatabase = await VideoModel.loadByUUIDAndPopulateAccountAndServerAndTags(video.uuid)
35   // Video does not exist anymore
36   if (!videoDatabase) return undefined
37
38   // Now we'll add the video's meta data to our followers
39   await sendCreateVideo(video, undefined)
40   // TODO: share by channel
41   await shareVideoByServer(video, undefined)
42
43   const originalFileHeight = await videoDatabase.getOriginalFileHeight()
44
45   // Create transcoding jobs if there are enabled resolutions
46   const resolutionsEnabled = computeResolutionsToTranscode(originalFileHeight)
47   logger.info(
48     'Resolutions computed for video %s and origin file height of %d.', videoDatabase.uuid, originalFileHeight,
49     { resolutions: resolutionsEnabled }
50   )
51
52   if (resolutionsEnabled.length !== 0) {
53     try {
54       await sequelizeTypescript.transaction(async t => {
55         const tasks: Bluebird<any>[] = []
56
57         for (const resolution of resolutionsEnabled) {
58           const dataInput = {
59             videoUUID: videoDatabase.uuid,
60             resolution
61           }
62
63           const p = jobScheduler.createJob(t, 'videoFileTranscoder', dataInput)
64           tasks.push(p)
65         }
66
67         await Promise.all(tasks)
68       })
69
70       logger.info('Transcoding jobs created for uuid %s.', videoDatabase.uuid, { resolutionsEnabled })
71     } catch (err) {
72       logger.warn('Cannot transcode the video.', err)
73     }
74   } else {
75     logger.info('No transcoding jobs created for video %s (no resolutions enabled).')
76     return undefined
77   }
78 }
79
80 // ---------------------------------------------------------------------------
81
82 export {
83   process,
84   onError,
85   onSuccess
86 }