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import { Transaction } from 'sequelize'
import { AccountModel } from '../../models/account/account'
import { VideoModel } from '../../models/video/video'
import { sendLike, sendUndoDislike, sendUndoLike } from './send'
import { VideoRateType } from '../../../shared/models/videos'
import * as Bluebird from 'bluebird'
import { getOrCreateActorAndServerAndModel } from './actor'
import { AccountVideoRateModel } from '../../models/account/account-video-rate'
import { logger } from '../../helpers/logger'
import { CRAWL_REQUEST_CONCURRENCY } from '../../initializers'
import { doRequest } from '../../helpers/requests'
import { checkUrlsSameHost, getAPId } from '../../helpers/activitypub'
import { ActorModel } from '../../models/activitypub/actor'
import { getVideoDislikeActivityPubUrl, getVideoLikeActivityPubUrl } from './url'
import { sendDislike } from './send/send-dislike'
async function createRates (ratesUrl: string[], video: VideoModel, rate: VideoRateType) {
let rateCounts = 0
await Bluebird.map(ratesUrl, async rateUrl => {
try {
// Fetch url
const { body } = await doRequest({
uri: rateUrl,
json: true,
activityPub: true
})
if (!body || !body.actor) throw new Error('Body or body actor is invalid')
const actorUrl = getAPId(body.actor)
if (checkUrlsSameHost(actorUrl, rateUrl) !== true) {
throw new Error(`Rate url ${rateUrl} has not the same host than actor url ${actorUrl}`)
}
if (checkUrlsSameHost(body.id, rateUrl) !== true) {
throw new Error(`Rate url ${rateUrl} host is different from the AP object id ${body.id}`)
}
const actor = await getOrCreateActorAndServerAndModel(actorUrl)
const entry = {
videoId: video.id,
accountId: actor.Account.id,
type: rate,
url: body.id
}
const created = await AccountVideoRateModel.upsert(entry)
if (created) rateCounts += 1
} catch (err) {
logger.warn('Cannot add rate %s.', rateUrl, { err })
}
}, { concurrency: CRAWL_REQUEST_CONCURRENCY })
logger.info('Adding %d %s to video %s.', rateCounts, rate, video.uuid)
// This is "likes" and "dislikes"
if (rateCounts !== 0) await video.increment(rate + 's', { by: rateCounts })
return
}
async function sendVideoRateChange (account: AccountModel,
video: VideoModel,
likes: number,
dislikes: number,
t: Transaction) {
const actor = account.Actor
// Keep the order: first we undo and then we create
// Undo Like
if (likes < 0) await sendUndoLike(actor, video, t)
// Undo Dislike
if (dislikes < 0) await sendUndoDislike(actor, video, t)
// Like
if (likes > 0) await sendLike(actor, video, t)
// Dislike
if (dislikes > 0) await sendDislike(actor, video, t)
}
function getRateUrl (rateType: VideoRateType, actor: ActorModel, video: VideoModel) {
return rateType === 'like' ? getVideoLikeActivityPubUrl(actor, video) : getVideoDislikeActivityPubUrl(actor, video)
}
export {
getRateUrl,
createRates,
sendVideoRateChange
}
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