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peertube/server/lib/activitypub/process/process-like.ts
2018-01-10 17:19:14 +01:00

60 lines
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 { ActorModel } from '../../../models/activitypub/actor'
import { getOrCreateActorAndServerAndModel } from '../actor'
import { forwardActivity } from '../send/misc'
import { getOrCreateAccountAndVideoAndChannel } from '../videos'
async function processLikeActivity (activity: ActivityLike) {
const actor = await getOrCreateActorAndServerAndModel(activity.actor)
return processLikeVideo(actor, activity)
}
// ---------------------------------------------------------------------------
export {
processLikeActivity
}
// ---------------------------------------------------------------------------
async function processLikeVideo (actor: ActorModel, activity: ActivityLike) {
const options = {
arguments: [ actor, activity ],
errorMessage: 'Cannot like the video with many retries.'
}
return retryTransactionWrapper(createVideoLike, options)
}
async function createVideoLike (byActor: ActorModel, activity: ActivityLike) {
const videoUrl = activity.object
const byAccount = byActor.Account
if (!byAccount) throw new Error('Cannot create like with the non account actor ' + byActor.url)
const { video } = await getOrCreateAccountAndVideoAndChannel(videoUrl)
return sequelizeTypescript.transaction(async t => {
const rate = {
type: 'like' as 'like',
videoId: video.id,
accountId: byAccount.id
}
const [ , created ] = await AccountVideoRateModel.findOrCreate({
where: rate,
defaults: rate,
transaction: t
})
if (created === true) await video.increment('likes', { transaction: t })
if (video.isOwned() && created === true) {
// Don't resend the activity to the sender
const exceptions = [ byActor ]
await forwardActivity(activity, t, exceptions)
}
})
}