server/controllers/api/videos/rate.ts

   1 import express from 'express'
   2 import { HttpStatusCode, UserVideoRateUpdate } from '@shared/models'
   3 import { logger } from '../../../helpers/logger'
   4 import { VIDEO_RATE_TYPES } from '../../../initializers/constants'
   5 import { sequelizeTypescript } from '../../../initializers/database'
   6 import { getLocalRateUrl, sendVideoRateChange } from '../../../lib/activitypub/video-rates'
   7 import { asyncMiddleware, asyncRetryTransactionMiddleware, authenticate, videoUpdateRateValidator } from '../../../middlewares'
   8 import { AccountModel } from '../../../models/account/account'
   9 import { AccountVideoRateModel } from '../../../models/account/account-video-rate'
  10
  11 const rateVideoRouter = express.Router()
  12
  13 rateVideoRouter.put('/:id/rate',
  14   authenticate,
  15   asyncMiddleware(videoUpdateRateValidator),
  16   asyncRetryTransactionMiddleware(rateVideo)
  17 )
  18
  19 // ---------------------------------------------------------------------------
  20
  21 export {
  22   rateVideoRouter
  23 }
  24
  25 // ---------------------------------------------------------------------------
  26
  27 async function rateVideo (req: express.Request, res: express.Response) {
  28   const body: UserVideoRateUpdate = req.body
  29   const rateType = body.rating
  30   const videoInstance = res.locals.videoAll
  31   const userAccount = res.locals.oauth.token.User.Account
  32
  33   await sequelizeTypescript.transaction(async t => {
  34     const sequelizeOptions = { transaction: t }
  35
  36     const accountInstance = await AccountModel.load(userAccount.id, t)
  37     const previousRate = await AccountVideoRateModel.load(accountInstance.id, videoInstance.id, t)
  38
  39     // Same rate, nothing do to
  40     if (rateType === 'none' && !previousRate || previousRate?.type === rateType) return
  41
  42     let likesToIncrement = 0
  43     let dislikesToIncrement = 0
  44
  45     if (rateType === VIDEO_RATE_TYPES.LIKE) likesToIncrement++
  46     else if (rateType === VIDEO_RATE_TYPES.DISLIKE) dislikesToIncrement++
  47
  48     // There was a previous rate, update it
  49     if (previousRate) {
  50       // We will remove the previous rate, so we will need to update the video count attribute
  51       if (previousRate.type === 'like') likesToIncrement--
  52       else if (previousRate.type === 'dislike') dislikesToIncrement--
  53
  54       if (rateType === 'none') { // Destroy previous rate
  55         await previousRate.destroy(sequelizeOptions)
  56       } else { // Update previous rate
  57         previousRate.type = rateType
  58         previousRate.url = getLocalRateUrl(rateType, userAccount.Actor, videoInstance)
  59         await previousRate.save(sequelizeOptions)
  60       }
  61     } else if (rateType !== 'none') { // There was not a previous rate, insert a new one if there is a rate
  62       const query = {
  63         accountId: accountInstance.id,
  64         videoId: videoInstance.id,
  65         type: rateType,
  66         url: getLocalRateUrl(rateType, userAccount.Actor, videoInstance)
  67       }
  68
  69       await AccountVideoRateModel.create(query, sequelizeOptions)
  70     }
  71
  72     const incrementQuery = {
  73       likes: likesToIncrement,
  74       dislikes: dislikesToIncrement
  75     }
  76
  77     await videoInstance.increment(incrementQuery, sequelizeOptions)
  78
  79     await sendVideoRateChange(accountInstance, videoInstance, likesToIncrement, dislikesToIncrement, t)
  80
  81     logger.info('Account video rate for video %s of account %s updated.', videoInstance.name, accountInstance.name)
  82   })
  83
  84   return res.type('json')
  85             .status(HttpStatusCode.NO_CONTENT_204)
  86             .end()
  87 }