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peertube/server/lib/activitypub/process/process-like.ts
2019-08-19 17:26:35 +02:00

60 lines
2.2 KiB
TypeScript

import { ActivityLike } from '../../../../shared/models/activitypub'
import { retryTransactionWrapper } from '../../../helpers/database-utils'
import { sequelizeTypescript } from '../../../initializers'
import { AccountVideoRateModel } from '../../../models/account/account-video-rate'
import { forwardVideoRelatedActivity } from '../send/utils'
import { getOrCreateVideoAndAccountAndChannel } from '../videos'
import { getVideoLikeActivityPubUrl } from '../url'
import { getAPId } from '../../../helpers/activitypub'
import { APProcessorOptions } from '../../../typings/activitypub-processor.model'
import { MActorSignature } from '../../../typings/models'
async function processLikeActivity (options: APProcessorOptions<ActivityLike>) {
const { activity, byActor } = options
return retryTransactionWrapper(processLikeVideo, byActor, activity)
}
// ---------------------------------------------------------------------------
export {
processLikeActivity
}
// ---------------------------------------------------------------------------
async function processLikeVideo (byActor: MActorSignature, activity: ActivityLike) {
const videoUrl = getAPId(activity.object)
const byAccount = byActor.Account
if (!byAccount) throw new Error('Cannot create like with the non account actor ' + byActor.url)
const { video } = await getOrCreateVideoAndAccountAndChannel({ videoObject: videoUrl })
return sequelizeTypescript.transaction(async t => {
const url = getVideoLikeActivityPubUrl(byActor, video)
const existingRate = await AccountVideoRateModel.loadByAccountAndVideoOrUrl(byAccount.id, video.id, url)
if (existingRate && existingRate.type === 'like') return
if (existingRate && existingRate.type === 'dislike') {
await video.decrement('dislikes', { transaction: t })
}
await video.increment('likes', { transaction: t })
const rate = existingRate || new AccountVideoRateModel()
rate.type = 'like'
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)
}
})
}