PeerTube/server/lib/activitypub/process/process-like.ts

61 lines
2.2 KiB
TypeScript

import { VideoModel } from '@server/models/video/video'
import { ActivityLike } from '../../../../shared/models/activitypub'
import { getAPId } from '../../../helpers/activitypub'
import { retryTransactionWrapper } from '../../../helpers/database-utils'
import { sequelizeTypescript } from '../../../initializers/database'
import { AccountVideoRateModel } from '../../../models/account/account-video-rate'
import { APProcessorOptions } from '../../../types/activitypub-processor.model'
import { MActorSignature } from '../../../types/models'
import { federateVideoIfNeeded, getOrCreateAPVideo } from '../videos'
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: onlyVideo } = await getOrCreateAPVideo({ videoObject: videoUrl, fetchType: 'only-video' })
// We don't care about likes of remote videos
if (!onlyVideo.isOwned()) return
return sequelizeTypescript.transaction(async t => {
const video = await VideoModel.loadAndPopulateAccountAndServerAndTags(onlyVideo.id, t)
const existingRate = await AccountVideoRateModel.loadByAccountAndVideoOrUrl(byAccount.id, video.id, activity.id, t)
if (existingRate && existingRate.type === 'like') return
if (existingRate && existingRate.type === 'dislike') {
await video.decrement('dislikes', { transaction: t })
video.dislikes--
}
await video.increment('likes', { transaction: t })
video.likes++
const rate = existingRate || new AccountVideoRateModel()
rate.type = 'like'
rate.videoId = video.id
rate.accountId = byAccount.id
rate.url = activity.id
await rate.save({ transaction: t })
await federateVideoIfNeeded(video, false, t)
})
}