server/lib/activitypub/send/send-announce.ts

   1 import { Transaction } from 'sequelize'
   2 import { ActivityAnnounce, ActivityAudience } from '../../../../shared/models/activitypub'
   3 import { VideoModel } from '../../../models/video/video'
   4 import { broadcastToFollowers } from './utils'
   5 import { audiencify, getActorsInvolvedInVideo, getAudience, getAudienceFromFollowersOf } from '../audience'
   6 import { logger } from '../../../helpers/logger'
   7 import { ActorModelOnly } from '../../../typings/models'
   8 import { VideoShareModelOnly } from '../../../typings/models/video-share'
   9
  10 async function buildAnnounceWithVideoAudience (
  11   byActor: ActorModelOnly,
  12   videoShare: VideoShareModelOnly,
  13   video: VideoModel,
  14   t: Transaction
  15 ) {
  16   const announcedObject = video.url
  17
  18   const actorsInvolvedInVideo = await getActorsInvolvedInVideo(video, t)
  19   const audience = getAudienceFromFollowersOf(actorsInvolvedInVideo)
  20
  21   const activity = buildAnnounceActivity(videoShare.url, byActor, announcedObject, audience)
  22
  23   return { activity, actorsInvolvedInVideo }
  24 }
  25
  26 async function sendVideoAnnounce (byActor: ActorModelOnly, videoShare: VideoShareModelOnly, video: VideoModel, t: Transaction) {
  27   const { activity, actorsInvolvedInVideo } = await buildAnnounceWithVideoAudience(byActor, videoShare, video, t)
  28
  29   logger.info('Creating job to send announce %s.', videoShare.url)
  30
  31   const followersException = [ byActor ]
  32   return broadcastToFollowers(activity, byActor, actorsInvolvedInVideo, t, followersException)
  33 }
  34
  35 function buildAnnounceActivity (url: string, byActor: ActorModelOnly, object: string, audience?: ActivityAudience): ActivityAnnounce {
  36   if (!audience) audience = getAudience(byActor)
  37
  38   return audiencify({
  39     type: 'Announce' as 'Announce',
  40     id: url,
  41     actor: byActor.url,
  42     object
  43   }, audience)
  44 }
  45
  46 // ---------------------------------------------------------------------------
  47
  48 export {
  49   sendVideoAnnounce,
  50   buildAnnounceActivity,
  51   buildAnnounceWithVideoAudience
  52 }