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

   1 import { Transaction } from 'sequelize'
   2 import { ActivityAnnounce, ActivityAudience } from '@shared/models'
   3 import { logger } from '../../../helpers/logger'
   4 import { MActorLight, MVideo } from '../../../types/models'
   5 import { MVideoShare } from '../../../types/models/video'
   6 import { audiencify, getAudience } from '../audience'
   7 import { getActorsInvolvedInVideo, getAudienceFromFollowersOf } from './shared'
   8 import { broadcastToFollowers } from './shared/send-utils'
   9
  10 async function buildAnnounceWithVideoAudience (
  11   byActor: MActorLight,
  12   videoShare: MVideoShare,
  13   video: MVideo,
  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: MActorLight, videoShare: MVideoShare, video: MVideo, transaction: Transaction) {
  27   const { activity, actorsInvolvedInVideo } = await buildAnnounceWithVideoAudience(byActor, videoShare, video, transaction)
  28
  29   logger.info('Creating job to send announce %s.', videoShare.url)
  30
  31   return broadcastToFollowers({
  32     data: activity,
  33     byActor,
  34     toFollowersOf: actorsInvolvedInVideo,
  35     transaction,
  36     actorsException: [ byActor ],
  37     contextType: 'Announce'
  38   })
  39 }
  40
  41 function buildAnnounceActivity (url: string, byActor: MActorLight, object: string, audience?: ActivityAudience): ActivityAnnounce {
  42   if (!audience) audience = getAudience(byActor)
  43
  44   return audiencify({
  45     type: 'Announce' as 'Announce',
  46     id: url,
  47     actor: byActor.url,
  48     object
  49   }, audience)
  50 }
  51
  52 // ---------------------------------------------------------------------------
  53
  54 export {
  55   sendVideoAnnounce,
  56   buildAnnounceActivity,
  57   buildAnnounceWithVideoAudience
  58 }