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 {
   7   audiencify,
   8   broadcastToFollowers,
   9   getActorsInvolvedInVideo,
  10   getAudience,
  11   getObjectFollowersAudience,
  12   getOriginVideoAudience,
  13   unicastTo
  14 } from './misc'
  15
  16 async function sendLikeToOrigin (byActor: ActorModel, video: VideoModel, t: Transaction) {
  17   const url = getVideoLikeActivityPubUrl(byActor, video)
  18
  19   const accountsInvolvedInVideo = await getActorsInvolvedInVideo(video, t)
  20   const audience = getOriginVideoAudience(video, accountsInvolvedInVideo)
  21   const data = await likeActivityData(url, byActor, video, t, audience)
  22
  23   return unicastTo(data, byActor, video.VideoChannel.Account.Actor.sharedInboxUrl, t)
  24 }
  25
  26 async function sendLikeToVideoFollowers (byActor: ActorModel, video: VideoModel, t: Transaction) {
  27   const url = getVideoLikeActivityPubUrl(byActor, video)
  28
  29   const accountsInvolvedInVideo = await getActorsInvolvedInVideo(video, t)
  30   const audience = getObjectFollowersAudience(accountsInvolvedInVideo)
  31   const data = await likeActivityData(url, byActor, video, t, audience)
  32
  33   const followersException = [ byActor ]
  34   return broadcastToFollowers(data, byActor, accountsInvolvedInVideo, t, followersException)
  35 }
  36
  37 async function likeActivityData (
  38   url: string,
  39   byActor: ActorModel,
  40   video: VideoModel,
  41   t: Transaction,
  42   audience?: ActivityAudience
  43 ): Promise<ActivityLike> {
  44   if (!audience) {
  45     audience = await getAudience(byActor, t)
  46   }
  47
  48   return audiencify({
  49     type: 'Like',
  50     id: url,
  51     actor: byActor.url,
  52     object: video.url
  53   }, audience)
  54 }
  55
  56 // ---------------------------------------------------------------------------
  57
  58 export {
  59   sendLikeToOrigin,
  60   sendLikeToVideoFollowers,
  61   likeActivityData
  62 }