server/controllers/api/videos/rate.ts

   1 import * as express from 'express'
   2 import { UserVideoRateUpdate } from '../../../../shared'
   3 import { HttpStatusCode } from '../../../../shared/models/http/http-error-codes'
   4 import { logger } from '../../../helpers/logger'
   5 import { VIDEO_RATE_TYPES } from '../../../initializers/constants'
   6 import { sequelizeTypescript } from '../../../initializers/database'
   7 import { getLocalRateUrl, sendVideoRateChange } from '../../../lib/activitypub/video-rates'
   8 import { asyncMiddleware, asyncRetryTransactionMiddleware, authenticate, videoUpdateRateValidator } from '../../../middlewares'
   9 import { AccountModel } from '../../../models/account/account'
  10 import { AccountVideoRateModel } from '../../../models/account/account-video-rate'
  11
  12 const rateVideoRouter = express.Router()
  13
  14 rateVideoRouter.put('/:id/rate',
  15   authenticate,
  16   asyncMiddleware(videoUpdateRateValidator),
  17   asyncRetryTransactionMiddleware(rateVideo)
  18 )
  19
  20 // ---------------------------------------------------------------------------
  21
  22 export {
  23   rateVideoRouter
  24 }
  25
  26 // ---------------------------------------------------------------------------
  27
  28 async function rateVideo (req: express.Request, res: express.Response) {
  29   const body: UserVideoRateUpdate = req.body
  30   const rateType = body.rating
  31   const videoInstance = res.locals.videoAll
  32   const userAccount = res.locals.oauth.token.User.Account
  33
  34   await sequelizeTypescript.transaction(async t => {
  35     const sequelizeOptions = { transaction: t }
  36
  37     const accountInstance = await AccountModel.load(userAccount.id, t)
  38     const previousRate = await AccountVideoRateModel.load(accountInstance.id, videoInstance.id, t)
  39
  40     // Same rate, nothing do to
  41     if (rateType === 'none' && !previousRate || previousRate?.type === rateType) return
  42
  43     let likesToIncrement = 0
  44     let dislikesToIncrement = 0
  45
  46     if (rateType === VIDEO_RATE_TYPES.LIKE) likesToIncrement++
  47     else if (rateType === VIDEO_RATE_TYPES.DISLIKE) dislikesToIncrement++
  48
  49     // There was a previous rate, update it
  50     if (previousRate) {
  51       // We will remove the previous rate, so we will need to update the video count attribute
  52       if (previousRate.type === 'like') likesToIncrement--
  53       else if (previousRate.type === 'dislike') dislikesToIncrement--
  54
  55       if (rateType === 'none') { // Destroy previous rate
  56         await previousRate.destroy(sequelizeOptions)
  57       } else { // Update previous rate
  58         previousRate.type = rateType
  59         previousRate.url = getLocalRateUrl(rateType, userAccount.Actor, videoInstance)
  60         await previousRate.save(sequelizeOptions)
  61       }
  62     } else if (rateType !== 'none') { // There was not a previous rate, insert a new one if there is a rate
  63       const query = {
  64         accountId: accountInstance.id,
  65         videoId: videoInstance.id,
  66         type: rateType,
  67         url: getLocalRateUrl(rateType, userAccount.Actor, videoInstance)
  68       }
  69
  70       await AccountVideoRateModel.create(query, sequelizeOptions)
  71     }
  72
  73     const incrementQuery = {
  74       likes: likesToIncrement,
  75       dislikes: dislikesToIncrement
  76     }
  77
  78     await videoInstance.increment(incrementQuery, sequelizeOptions)
  79
  80     await sendVideoRateChange(accountInstance, videoInstance, likesToIncrement, dislikesToIncrement, t)
  81
  82     logger.info('Account video rate for video %s of account %s updated.', videoInstance.name, accountInstance.name)
  83   })
  84
  85   return res.type('json')
  86             .status(HttpStatusCode.NO_CONTENT_204)
  87             .end()
  88 }