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
   9 async function sendLike (byActor: ActorModel, video: VideoModel, t: Transaction) {
  10   const url = getVideoLikeActivityPubUrl(byActor, video)
  11
  12   const accountsInvolvedInVideo = await getActorsInvolvedInVideo(video, t)
  13
  14   // Send to origin
  15   if (video.isOwned() === false) {
  16     const audience = getVideoAudience(video, accountsInvolvedInVideo)
  17     const data = likeActivityData(url, byActor, video, audience)
  18
  19     return unicastTo(data, byActor, video.VideoChannel.Account.Actor.sharedInboxUrl)
  20   }
  21
  22   // Send to followers
  23   const audience = getObjectFollowersAudience(accountsInvolvedInVideo)
  24   const data = likeActivityData(url, byActor, video, audience)
  25
  26   const followersException = [ byActor ]
  27   return broadcastToFollowers(data, byActor, accountsInvolvedInVideo, t, followersException)
  28 }
  29
  30 function likeActivityData (url: string, byActor: ActorModel, video: VideoModel, audience?: ActivityAudience): ActivityLike {
  31   if (!audience) audience = getAudience(byActor)
  32
  33   return audiencify(
  34     {
  35       type: 'Like' as 'Like',
  36       id: url,
  37       actor: byActor.url,
  38       object: video.url
  39     },
  40     audience
  41   )
  42 }
  43
  44 // ---------------------------------------------------------------------------
  45
  46 export {
  47   sendLike,
  48   likeActivityData
  49 }