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

   1 import { Transaction } from 'sequelize'
   2 import { ActivityAudience, ActivityLike } from '../../../../shared/models/activitypub'
   3 import { ActorModel } from '../../../models/activitypub/actor'
   4 import { VideoModel } from '../../../models/video/video'
   5 import { getVideoLikeActivityPubUrl } from '../url'
   6 import { broadcastToFollowers, unicastTo } from './utils'
   7 import { audiencify, getActorsInvolvedInVideo, getAudience, getObjectFollowersAudience, getVideoAudience } from '../audience'
   8 import { logger } from '../../../helpers/logger'
   9
  10 async function sendLike (byActor: ActorModel, video: VideoModel, t: Transaction) {
  11   logger.info('Creating job to like %s.', video.url)
  12
  13   const url = getVideoLikeActivityPubUrl(byActor, video)
  14
  15   const accountsInvolvedInVideo = await getActorsInvolvedInVideo(video, t)
  16
  17   // Send to origin
  18   if (video.isOwned() === false) {
  19     const audience = getVideoAudience(video, accountsInvolvedInVideo)
  20     const data = buildLikeActivity(url, byActor, video, audience)
  21
  22     return unicastTo(data, byActor, video.VideoChannel.Account.Actor.sharedInboxUrl)
  23   }
  24
  25   // Send to followers
  26   const audience = getObjectFollowersAudience(accountsInvolvedInVideo)
  27   const activity = buildLikeActivity(url, byActor, video, audience)
  28
  29   const followersException = [ byActor ]
  30   return broadcastToFollowers(activity, byActor, accountsInvolvedInVideo, t, followersException)
  31 }
  32
  33 function buildLikeActivity (url: string, byActor: ActorModel, video: VideoModel, audience?: ActivityAudience): ActivityLike {
  34   if (!audience) audience = getAudience(byActor)
  35
  36   return audiencify(
  37     {
  38       type: 'Like' as 'Like',
  39       id: url,
  40       actor: byActor.url,
  41       object: video.url
  42     },
  43     audience
  44   )
  45 }
  46
  47 // ---------------------------------------------------------------------------
  48
  49 export {
  50   sendLike,
  51   buildLikeActivity
  52 }