import * as Bluebird from 'bluebird'
import { Transaction } from 'sequelize'
import { doJSONRequest } from '@server/helpers/requests'
import { VideoRateType } from '../../../shared/models/videos'
import { checkUrlsSameHost, getAPId } from '../../helpers/activitypub'
import { logger } from '../../helpers/logger'
import { CRAWL_REQUEST_CONCURRENCY } from '../../initializers/constants'
import { AccountVideoRateModel } from '../../models/account/account-video-rate'
import { MAccountActor, MActorUrl, MVideo, MVideoAccountLight, MVideoId } from '../../types/models'
import { getOrCreateAPActor } from './actors'
import { sendLike, sendUndoDislike, sendUndoLike } from './send'
import { sendDislike } from './send/send-dislike'
import { getVideoDislikeActivityPubUrlByLocalActor, getVideoLikeActivityPubUrlByLocalActor } from './url'
async function createRates (ratesUrl: string[], video: MVideo, rate: VideoRateType) {
await Bluebird.map(ratesUrl, async rateUrl => {
try {
await createRate(rateUrl, video, rate)
} catch (err) {
logger.warn('Cannot add rate %s.', rateUrl, { err })
}
}, { concurrency: CRAWL_REQUEST_CONCURRENCY })
}
async function sendVideoRateChange (
account: MAccountActor,
video: MVideoAccountLight,
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 getLocalRateUrl (rateType: VideoRateType, actor: MActorUrl, video: MVideoId) {
return rateType === 'like'
? getVideoLikeActivityPubUrlByLocalActor(actor, video)
: getVideoDislikeActivityPubUrlByLocalActor(actor, video)
}
// ---------------------------------------------------------------------------
export {
getLocalRateUrl,
createRates,
sendVideoRateChange
}
// ---------------------------------------------------------------------------
async function createRate (rateUrl: string, video: MVideo, rate: VideoRateType) {
// Fetch url
const { body } = await doJSONRequest<any>(rateUrl, { 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 getOrCreateAPActor(actorUrl)
const entry = {
videoId: video.id,
accountId: actor.Account.id,
type: rate,
url: body.id
}
// Video "likes"/"dislikes" will be updated by the caller
await AccountVideoRateModel.upsert(entry)
}