server/lib/activitypub/process/process-dislike.ts

   1 import { ActivityCreate, ActivityDislike } from '../../../../shared'
   2 import { DislikeObject } from '../../../../shared/models/activitypub/objects'
   3 import { retryTransactionWrapper } from '../../../helpers/database-utils'
   4 import { sequelizeTypescript } from '../../../initializers'
   5 import { AccountVideoRateModel } from '../../../models/account/account-video-rate'
   6 import { ActorModel } from '../../../models/activitypub/actor'
   7 import { getOrCreateVideoAndAccountAndChannel } from '../videos'
   8 import { forwardVideoRelatedActivity } from '../send/utils'
   9 import { getVideoDislikeActivityPubUrl } from '../url'
  10
  11 async function processDislikeActivity (activity: ActivityCreate | ActivityDislike, byActor: ActorModel) {
  12   return retryTransactionWrapper(processDislike, activity, byActor)
  13 }
  14
  15 // ---------------------------------------------------------------------------
  16
  17 export {
  18   processDislikeActivity
  19 }
  20
  21 // ---------------------------------------------------------------------------
  22
  23 async function processDislike (activity: ActivityCreate | ActivityDislike, byActor: ActorModel) {
  24   const dislikeObject = activity.type === 'Dislike' ? activity.object : (activity.object as DislikeObject).object
  25   const byAccount = byActor.Account
  26
  27   if (!byAccount) throw new Error('Cannot create dislike with the non account actor ' + byActor.url)
  28
  29   const { video } = await getOrCreateVideoAndAccountAndChannel({ videoObject: dislikeObject })
  30
  31   return sequelizeTypescript.transaction(async t => {
  32     const rate = {
  33       type: 'dislike' as 'dislike',
  34       videoId: video.id,
  35       accountId: byAccount.id
  36     }
  37
  38     const [ , created ] = await AccountVideoRateModel.findOrCreate({
  39       where: rate,
  40       defaults: Object.assign({}, rate, { url: getVideoDislikeActivityPubUrl(byActor, video) }),
  41       transaction: t
  42     })
  43     if (created === true) await video.increment('dislikes', { transaction: t })
  44
  45     if (video.isOwned() && created === true) {
  46       // Don't resend the activity to the sender
  47       const exceptions = [ byActor ]
  48
  49       await forwardVideoRelatedActivity(activity, t, exceptions, video)
  50     }
  51   })
  52 }