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peertube/server/lib/activitypub/process/process-dislike.ts
2020-06-18 10:46:27 +02:00

60 lines
2.4 KiB
TypeScript

import { ActivityCreate, ActivityDislike } from '../../../../shared'
import { DislikeObject } from '../../../../shared/models/activitypub/objects'
import { retryTransactionWrapper } from '../../../helpers/database-utils'
import { sequelizeTypescript } from '../../../initializers/database'
import { AccountVideoRateModel } from '../../../models/account/account-video-rate'
import { getOrCreateVideoAndAccountAndChannel } from '../videos'
import { forwardVideoRelatedActivity } from '../send/utils'
import { getVideoDislikeActivityPubUrl } from '../url'
import { APProcessorOptions } from '../../../types/activitypub-processor.model'
import { MActorSignature } from '../../../types/models'
async function processDislikeActivity (options: APProcessorOptions<ActivityCreate | ActivityDislike>) {
const { activity, byActor } = options
return retryTransactionWrapper(processDislike, activity, byActor)
}
// ---------------------------------------------------------------------------
export {
processDislikeActivity
}
// ---------------------------------------------------------------------------
async function processDislike (activity: ActivityCreate | ActivityDislike, byActor: MActorSignature) {
const dislikeObject = activity.type === 'Dislike' ? activity.object : (activity.object as DislikeObject).object
const byAccount = byActor.Account
if (!byAccount) throw new Error('Cannot create dislike with the non account actor ' + byActor.url)
const { video } = await getOrCreateVideoAndAccountAndChannel({ videoObject: dislikeObject })
return sequelizeTypescript.transaction(async t => {
const url = getVideoDislikeActivityPubUrl(byActor, video)
const existingRate = await AccountVideoRateModel.loadByAccountAndVideoOrUrl(byAccount.id, video.id, url)
if (existingRate && existingRate.type === 'dislike') return
await video.increment('dislikes', { transaction: t })
if (existingRate && existingRate.type === 'like') {
await video.decrement('likes', { transaction: t })
}
const rate = existingRate || new AccountVideoRateModel()
rate.type = 'dislike'
rate.videoId = video.id
rate.accountId = byAccount.id
rate.url = url
await rate.save({ transaction: t })
if (video.isOwned()) {
// Don't resend the activity to the sender
const exceptions = [ byActor ]
await forwardVideoRelatedActivity(activity, t, exceptions, video)
}
})
}