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

   1 import { Transaction } from 'sequelize'
   2 import { ActivityAudience, ActivityUpdate } from '../../../../shared/models/activitypub'
   3 import { VideoPrivacy } from '../../../../shared/models/videos'
   4 import { AccountModel } from '../../../models/account/account'
   5 import { ActorModel } from '../../../models/activitypub/actor'
   6 import { VideoModel } from '../../../models/video/video'
   7 import { VideoChannelModel } from '../../../models/video/video-channel'
   8 import { VideoShareModel } from '../../../models/video/video-share'
   9 import { getUpdateActivityPubUrl } from '../url'
  10 import { broadcastToFollowers } from './utils'
  11 import { audiencify, getAudience } from '../audience'
  12
  13 async function sendUpdateVideo (video: VideoModel, t: Transaction) {
  14   const byActor = video.VideoChannel.Account.Actor
  15
  16   const url = getUpdateActivityPubUrl(video.url, video.updatedAt.toISOString())
  17   const videoObject = video.toActivityPubObject()
  18   const audience = await getAudience(byActor, t, video.privacy === VideoPrivacy.PUBLIC)
  19
  20   const data = await updateActivityData(url, byActor, videoObject, t, audience)
  21
  22   const actorsInvolved = await VideoShareModel.loadActorsByShare(video.id, t)
  23   actorsInvolved.push(byActor)
  24
  25   return broadcastToFollowers(data, byActor, actorsInvolved, t)
  26 }
  27
  28 async function sendUpdateActor (accountOrChannel: AccountModel | VideoChannelModel, t: Transaction) {
  29   const byActor = accountOrChannel.Actor
  30
  31   const url = getUpdateActivityPubUrl(byActor.url, byActor.updatedAt.toISOString())
  32   const accountOrChannelObject = accountOrChannel.toActivityPubObject()
  33   const audience = await getAudience(byActor, t)
  34   const data = await updateActivityData(url, byActor, accountOrChannelObject, t, audience)
  35
  36   let actorsInvolved: ActorModel[]
  37   if (accountOrChannel instanceof AccountModel) {
  38     // Actors that shared my videos are involved too
  39     actorsInvolved = await VideoShareModel.loadActorsByVideoOwner(byActor.id, t)
  40   } else {
  41     // Actors that shared videos of my channel are involved too
  42     actorsInvolved = await VideoShareModel.loadActorsByVideoChannel(accountOrChannel.id, t)
  43   }
  44
  45   actorsInvolved.push(byActor)
  46
  47   return broadcastToFollowers(data, byActor, actorsInvolved, t)
  48 }
  49
  50 // ---------------------------------------------------------------------------
  51
  52 export {
  53   sendUpdateActor,
  54   sendUpdateVideo
  55 }
  56
  57 // ---------------------------------------------------------------------------
  58
  59 async function updateActivityData (
  60   url: string,
  61   byActor: ActorModel,
  62   object: any,
  63   t: Transaction,
  64   audience?: ActivityAudience
  65 ): Promise<ActivityUpdate> {
  66   if (!audience) {
  67     audience = await getAudience(byActor, t)
  68   }
  69
  70   return audiencify({
  71     type: 'Update' as 'Update',
  72     id: url,
  73     actor: byActor.url,
  74     object: audiencify(object, audience)
  75   }, audience)
  76 }