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1 | import * as express from 'express' | |
2 | import { UserVideoRateUpdate } from '../../../../shared' | |
3 | import { retryTransactionWrapper } from '../../../helpers/database-utils' | |
4 | import { logger } from '../../../helpers/logger' | |
5 | import { sequelizeTypescript, VIDEO_RATE_TYPES } from '../../../initializers' | |
6 | import { sendVideoRateChange } from '../../../lib/activitypub' | |
7 | import { asyncMiddleware, authenticate, videoRateValidator } from '../../../middlewares' | |
8 | import { AccountModel } from '../../../models/account/account' | |
9 | import { AccountVideoRateModel } from '../../../models/account/account-video-rate' | |
10 | import { VideoModel } from '../../../models/video/video' | |
11 | ||
12 | const rateVideoRouter = express.Router() | |
13 | ||
14 | rateVideoRouter.put('/:id/rate', | |
15 | authenticate, | |
16 | asyncMiddleware(videoRateValidator), | |
17 | asyncMiddleware(rateVideoRetryWrapper) | |
18 | ) | |
19 | ||
20 | // --------------------------------------------------------------------------- | |
21 | ||
22 | export { | |
23 | rateVideoRouter | |
24 | } | |
25 | ||
26 | // --------------------------------------------------------------------------- | |
27 | ||
28 | async function rateVideoRetryWrapper (req: express.Request, res: express.Response, next: express.NextFunction) { | |
29 | const options = { | |
30 | arguments: [ req, res ], | |
31 | errorMessage: 'Cannot update the user video rate.' | |
32 | } | |
33 | ||
34 | await retryTransactionWrapper(rateVideo, options) | |
35 | ||
36 | return res.type('json').status(204).end() | |
37 | } | |
38 | ||
39 | async function rateVideo (req: express.Request, res: express.Response) { | |
40 | const body: UserVideoRateUpdate = req.body | |
41 | const rateType = body.rating | |
42 | const videoInstance: VideoModel = res.locals.video | |
43 | const accountInstance: AccountModel = res.locals.oauth.token.User.Account | |
44 | ||
45 | await sequelizeTypescript.transaction(async t => { | |
46 | const sequelizeOptions = { transaction: t } | |
47 | const previousRate = await AccountVideoRateModel.load(accountInstance.id, videoInstance.id, t) | |
48 | ||
49 | let likesToIncrement = 0 | |
50 | let dislikesToIncrement = 0 | |
51 | ||
52 | if (rateType === VIDEO_RATE_TYPES.LIKE) likesToIncrement++ | |
53 | else if (rateType === VIDEO_RATE_TYPES.DISLIKE) dislikesToIncrement++ | |
54 | ||
55 | // There was a previous rate, update it | |
56 | if (previousRate) { | |
57 | // We will remove the previous rate, so we will need to update the video count attribute | |
58 | if (previousRate.type === VIDEO_RATE_TYPES.LIKE) likesToIncrement-- | |
59 | else if (previousRate.type === VIDEO_RATE_TYPES.DISLIKE) dislikesToIncrement-- | |
60 | ||
61 | if (rateType === 'none') { // Destroy previous rate | |
62 | await previousRate.destroy({ transaction: t }) | |
63 | } else { // Update previous rate | |
64 | previousRate.type = rateType | |
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 | await sendVideoRateChange(accountInstance, videoInstance, likesToIncrement, dislikesToIncrement, t) | |
87 | }) | |
88 | ||
89 | logger.info('Account video rate for video %s of account %s updated.', videoInstance.name, accountInstance.name) | |
90 | } |