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[github/Chocobozzz/PeerTube.git] / 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 }