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1 | import * as express from 'express' | |
2 | import { UserVideoRateUpdate } from '../../../../shared' | |
3 | import { logger, retryTransactionWrapper } from '../../../helpers' | |
4 | import { sequelizeTypescript, VIDEO_RATE_TYPES } from '../../../initializers' | |
5 | import { sendVideoRateChangeToFollowers, sendVideoRateChangeToOrigin } from '../../../lib/activitypub' | |
6 | import { asyncMiddleware, authenticate, videoRateValidator } from '../../../middlewares' | |
7 | import { AccountModel } from '../../../models/account/account' | |
8 | import { AccountVideoRateModel } from '../../../models/account/account-video-rate' | |
9 | import { VideoModel } from '../../../models/video/video' | |
10 | ||
11 | const rateVideoRouter = express.Router() | |
12 | ||
13 | rateVideoRouter.put('/:id/rate', | |
14 | authenticate, | |
15 | asyncMiddleware(videoRateValidator), | |
16 | asyncMiddleware(rateVideoRetryWrapper) | |
17 | ) | |
18 | ||
19 | // --------------------------------------------------------------------------- | |
20 | ||
21 | export { | |
22 | rateVideoRouter | |
23 | } | |
24 | ||
25 | // --------------------------------------------------------------------------- | |
26 | ||
27 | async function rateVideoRetryWrapper (req: express.Request, res: express.Response, next: express.NextFunction) { | |
28 | const options = { | |
29 | arguments: [ req, res ], | |
30 | errorMessage: 'Cannot update the user video rate.' | |
31 | } | |
32 | ||
33 | await retryTransactionWrapper(rateVideo, options) | |
34 | ||
35 | return res.type('json').status(204).end() | |
36 | } | |
37 | ||
38 | async function rateVideo (req: express.Request, res: express.Response) { | |
39 | const body: UserVideoRateUpdate = req.body | |
40 | const rateType = body.rating | |
41 | const videoInstance: VideoModel = res.locals.video | |
42 | const accountInstance: AccountModel = res.locals.oauth.token.User.Account | |
43 | ||
44 | await sequelizeTypescript.transaction(async t => { | |
45 | const sequelizeOptions = { transaction: t } | |
46 | const previousRate = await AccountVideoRateModel.load(accountInstance.id, videoInstance.id, t) | |
47 | ||
48 | let likesToIncrement = 0 | |
49 | let dislikesToIncrement = 0 | |
50 | ||
51 | if (rateType === VIDEO_RATE_TYPES.LIKE) likesToIncrement++ | |
52 | else if (rateType === VIDEO_RATE_TYPES.DISLIKE) dislikesToIncrement++ | |
53 | ||
54 | // There was a previous rate, update it | |
55 | if (previousRate) { | |
56 | // We will remove the previous rate, so we will need to update the video count attribute | |
57 | if (previousRate.type === VIDEO_RATE_TYPES.LIKE) likesToIncrement-- | |
58 | else if (previousRate.type === VIDEO_RATE_TYPES.DISLIKE) dislikesToIncrement-- | |
59 | ||
60 | if (rateType === 'none') { // Destroy previous rate | |
61 | await previousRate.destroy({ transaction: t }) | |
62 | } else { // Update previous rate | |
63 | previousRate.type = rateType | |
64 | ||
65 | await previousRate.save({ transaction: t }) | |
66 | } | |
67 | } else if (rateType !== 'none') { // There was not a previous rate, insert a new one if there is a rate | |
68 | const query = { | |
69 | accountId: accountInstance.id, | |
70 | videoId: videoInstance.id, | |
71 | type: rateType | |
72 | } | |
73 | ||
74 | await AccountVideoRateModel.create(query, sequelizeOptions) | |
75 | } | |
76 | ||
77 | const incrementQuery = { | |
78 | likes: likesToIncrement, | |
79 | dislikes: dislikesToIncrement | |
80 | } | |
81 | ||
82 | // Even if we do not own the video we increment the attributes | |
83 | // It is useful for the user to have a feedback | |
84 | await videoInstance.increment(incrementQuery, sequelizeOptions) | |
85 | ||
86 | if (videoInstance.isOwned()) { | |
87 | await sendVideoRateChangeToFollowers(accountInstance, videoInstance, likesToIncrement, dislikesToIncrement, t) | |
88 | } else { | |
89 | await sendVideoRateChangeToOrigin(accountInstance, videoInstance, likesToIncrement, dislikesToIncrement, t) | |
90 | } | |
91 | }) | |
92 | ||
93 | logger.info('Account video rate for video %s of account %s updated.', videoInstance.name, accountInstance.name) | |
94 | } |