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 = getAudience(byActor, video.privacy === VideoPrivacy.PUBLIC)
  19
  20   const data = updateActivityData(url, byActor, videoObject, 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 = getAudience(byActor)
  34   const data = updateActivityData(url, byActor, accountOrChannelObject, 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 function updateActivityData (url: string, byActor: ActorModel, object: any, audience?: ActivityAudience): ActivityUpdate {
  60   if (!audience) audience = getAudience(byActor)
  61
  62   return audiencify(
  63     {
  64       type: 'Update' as 'Update',
  65       id: url,
  66       actor: byActor.url,
  67       object: audiencify(object, audience
  68       )
  69     },
  70     audience
  71   )
  72 }