server/controllers/api/videos/live.ts

   1 import * as express from 'express'
   2 import { v4 as uuidv4 } from 'uuid'
   3 import { createReqFiles } from '@server/helpers/express-utils'
   4 import { CONFIG } from '@server/initializers/config'
   5 import { ASSETS_PATH, MIMETYPES } from '@server/initializers/constants'
   6 import { getVideoActivityPubUrl } from '@server/lib/activitypub/url'
   7 import { buildLocalVideoFromReq, buildVideoThumbnailsFromReq, setVideoTags } from '@server/lib/video'
   8 import { videoLiveAddValidator, videoLiveGetValidator } from '@server/middlewares/validators/videos/video-live'
   9 import { VideoLiveModel } from '@server/models/video/video-live'
  10 import { MVideoDetails, MVideoFullLight } from '@server/types/models'
  11 import { VideoCreate, VideoState } from '../../../../shared'
  12 import { logger } from '../../../helpers/logger'
  13 import { sequelizeTypescript } from '../../../initializers/database'
  14 import { createVideoMiniatureFromExisting } from '../../../lib/thumbnail'
  15 import { asyncMiddleware, asyncRetryTransactionMiddleware, authenticate } from '../../../middlewares'
  16 import { VideoModel } from '../../../models/video/video'
  17
  18 const liveRouter = express.Router()
  19
  20 const reqVideoFileLive = createReqFiles(
  21   [ 'thumbnailfile', 'previewfile' ],
  22   MIMETYPES.IMAGE.MIMETYPE_EXT,
  23   {
  24     thumbnailfile: CONFIG.STORAGE.TMP_DIR,
  25     previewfile: CONFIG.STORAGE.TMP_DIR
  26   }
  27 )
  28
  29 liveRouter.post('/live',
  30   authenticate,
  31   reqVideoFileLive,
  32   asyncMiddleware(videoLiveAddValidator),
  33   asyncRetryTransactionMiddleware(addLiveVideo)
  34 )
  35
  36 liveRouter.get('/live/:videoId',
  37   authenticate,
  38   asyncMiddleware(videoLiveGetValidator),
  39   asyncRetryTransactionMiddleware(getVideoLive)
  40 )
  41
  42 // ---------------------------------------------------------------------------
  43
  44 export {
  45   liveRouter
  46 }
  47
  48 // ---------------------------------------------------------------------------
  49
  50 async function getVideoLive (req: express.Request, res: express.Response) {
  51   const videoLive = res.locals.videoLive
  52
  53   return res.json(videoLive.toFormattedJSON())
  54 }
  55
  56 async function addLiveVideo (req: express.Request, res: express.Response) {
  57   const videoInfo: VideoCreate = req.body
  58
  59   // Prepare data so we don't block the transaction
  60   const videoData = buildLocalVideoFromReq(videoInfo, res.locals.videoChannel.id)
  61   videoData.isLive = true
  62   videoData.state = VideoState.WAITING_FOR_LIVE
  63   videoData.duration = 0
  64
  65   const video = new VideoModel(videoData) as MVideoDetails
  66   video.url = getVideoActivityPubUrl(video) // We use the UUID, so set the URL after building the object
  67
  68   const videoLive = new VideoLiveModel()
  69   videoLive.streamKey = uuidv4()
  70
  71   const [ thumbnailModel, previewModel ] = await buildVideoThumbnailsFromReq({
  72     video,
  73     files: req.files,
  74     fallback: type => {
  75       return createVideoMiniatureFromExisting({ inputPath: ASSETS_PATH.DEFAULT_LIVE_BACKGROUND, video, type, automaticallyGenerated: true })
  76     }
  77   })
  78
  79   const { videoCreated } = await sequelizeTypescript.transaction(async t => {
  80     const sequelizeOptions = { transaction: t }
  81
  82     const videoCreated = await video.save(sequelizeOptions) as MVideoFullLight
  83
  84     if (thumbnailModel) await videoCreated.addAndSaveThumbnail(thumbnailModel, t)
  85     if (previewModel) await videoCreated.addAndSaveThumbnail(previewModel, t)
  86
  87     // Do not forget to add video channel information to the created video
  88     videoCreated.VideoChannel = res.locals.videoChannel
  89
  90     videoLive.videoId = videoCreated.id
  91     await videoLive.save(sequelizeOptions)
  92
  93     await setVideoTags({ video, tags: videoInfo.tags, transaction: t })
  94
  95     logger.info('Video live %s with uuid %s created.', videoInfo.name, videoCreated.uuid)
  96
  97     return { videoCreated }
  98   })
  99
 100   return res.json({
 101     video: {
 102       id: videoCreated.id,
 103       uuid: videoCreated.uuid
 104     }
 105   })
 106 }