server/lib/activitypub/video-rates.ts

   1 import { Transaction } from 'sequelize'
   2 import { AccountModel } from '../../models/account/account'
   3 import { VideoModel } from '../../models/video/video'
   4 import { sendCreateDislike, sendLike, sendUndoDislike, sendUndoLike } from './send'
   5 import { VideoRateType } from '../../../shared/models/videos'
   6 import * as Bluebird from 'bluebird'
   7 import { getOrCreateActorAndServerAndModel } from './actor'
   8 import { AccountVideoRateModel } from '../../models/account/account-video-rate'
   9 import { logger } from '../../helpers/logger'
  10 import { CRAWL_REQUEST_CONCURRENCY } from '../../initializers'
  11
  12 async function createRates (actorUrls: string[], video: VideoModel, rate: VideoRateType) {
  13   let rateCounts = 0
  14
  15   await Bluebird.map(actorUrls, async actorUrl => {
  16     try {
  17       const actor = await getOrCreateActorAndServerAndModel(actorUrl)
  18       const [ , created ] = await AccountVideoRateModel
  19         .findOrCreate({
  20           where: {
  21             videoId: video.id,
  22             accountId: actor.Account.id
  23           },
  24           defaults: {
  25             videoId: video.id,
  26             accountId: actor.Account.id,
  27             type: rate
  28           }
  29         })
  30
  31       if (created) rateCounts += 1
  32     } catch (err) {
  33       logger.warn('Cannot add rate %s for actor %s.', rate, actorUrl, { err })
  34     }
  35   }, { concurrency: CRAWL_REQUEST_CONCURRENCY })
  36
  37   logger.info('Adding %d %s to video %s.', rateCounts, rate, video.uuid)
  38
  39   // This is "likes" and "dislikes"
  40   if (rateCounts !== 0) await video.increment(rate + 's', { by: rateCounts })
  41
  42   return
  43 }
  44
  45 async function sendVideoRateChange (account: AccountModel,
  46                               video: VideoModel,
  47                               likes: number,
  48                               dislikes: number,
  49                               t: Transaction) {
  50   const actor = account.Actor
  51
  52   // Keep the order: first we undo and then we create
  53
  54   // Undo Like
  55   if (likes < 0) await sendUndoLike(actor, video, t)
  56   // Undo Dislike
  57   if (dislikes < 0) await sendUndoDislike(actor, video, t)
  58
  59   // Like
  60   if (likes > 0) await sendLike(actor, video, t)
  61   // Dislike
  62   if (dislikes > 0) await sendCreateDislike(actor, video, t)
  63 }
  64
  65 export {
  66   createRates,
  67   sendVideoRateChange
  68 }