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