1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
import * as express from 'express'
import { database as db } from '../../../initializers/database'
import {
logger,
retryTransactionWrapper
} from '../../../helpers'
import {
VIDEO_RATE_TYPES,
REQUEST_VIDEO_EVENT_TYPES,
REQUEST_VIDEO_QADU_TYPES
} from '../../../initializers'
import {
addEventsToRemoteVideo,
quickAndDirtyUpdatesVideoToFriends
} from '../../../lib'
import {
authenticate,
videoRateValidator
} from '../../../middlewares'
const rateVideoRouter = express.Router()
rateVideoRouter.put('/:id/rate',
authenticate,
videoRateValidator,
rateVideoRetryWrapper
)
// ---------------------------------------------------------------------------
export {
rateVideoRouter
}
// ---------------------------------------------------------------------------
function rateVideoRetryWrapper (req: express.Request, res: express.Response, next: express.NextFunction) {
const options = {
arguments: [ req, res ],
errorMessage: 'Cannot update the user video rate.'
}
retryTransactionWrapper(rateVideo, options)
.then(() => res.type('json').status(204).end())
.catch(err => next(err))
}
function rateVideo (req: express.Request, res: express.Response) {
const rateType = req.body.rating
const videoInstance = res.locals.video
const userInstance = res.locals.oauth.token.User
return db.sequelize.transaction(t => {
return db.UserVideoRate.load(userInstance.id, videoInstance.id, t)
.then(previousRate => {
const options = { transaction: t }
let likesToIncrement = 0
let dislikesToIncrement = 0
if (rateType === VIDEO_RATE_TYPES.LIKE) likesToIncrement++
else if (rateType === VIDEO_RATE_TYPES.DISLIKE) dislikesToIncrement++
// There was a previous rate, update it
if (previousRate) {
// We will remove the previous rate, so we will need to remove it from the video attribute
if (previousRate.type === VIDEO_RATE_TYPES.LIKE) likesToIncrement--
else if (previousRate.type === VIDEO_RATE_TYPES.DISLIKE) dislikesToIncrement--
previousRate.type = rateType
return previousRate.save(options).then(() => ({ t, likesToIncrement, dislikesToIncrement }))
} else { // There was not a previous rate, insert a new one
const query = {
userId: userInstance.id,
videoId: videoInstance.id,
type: rateType
}
return db.UserVideoRate.create(query, options).then(() => ({ likesToIncrement, dislikesToIncrement }))
}
})
.then(({ likesToIncrement, dislikesToIncrement }) => {
const options = { transaction: t }
const incrementQuery = {
likes: likesToIncrement,
dislikes: dislikesToIncrement
}
// Even if we do not own the video we increment the attributes
// It is usefull for the user to have a feedback
return videoInstance.increment(incrementQuery, options).then(() => ({ likesToIncrement, dislikesToIncrement }))
})
.then(({ likesToIncrement, dislikesToIncrement }) => {
// No need for an event type, we own the video
if (videoInstance.isOwned()) return { likesToIncrement, dislikesToIncrement }
const eventsParams = []
if (likesToIncrement !== 0) {
eventsParams.push({
videoId: videoInstance.id,
type: REQUEST_VIDEO_EVENT_TYPES.LIKES,
count: likesToIncrement
})
}
if (dislikesToIncrement !== 0) {
eventsParams.push({
videoId: videoInstance.id,
type: REQUEST_VIDEO_EVENT_TYPES.DISLIKES,
count: dislikesToIncrement
})
}
return addEventsToRemoteVideo(eventsParams, t).then(() => ({ likesToIncrement, dislikesToIncrement }))
})
.then(({ likesToIncrement, dislikesToIncrement }) => {
// We do not own the video, there is no need to send a quick and dirty update to friends
// Our rate was already sent by the addEvent function
if (videoInstance.isOwned() === false) return undefined
const qadusParams = []
if (likesToIncrement !== 0) {
qadusParams.push({
videoId: videoInstance.id,
type: REQUEST_VIDEO_QADU_TYPES.LIKES
})
}
if (dislikesToIncrement !== 0) {
qadusParams.push({
videoId: videoInstance.id,
type: REQUEST_VIDEO_QADU_TYPES.DISLIKES
})
}
return quickAndDirtyUpdatesVideoToFriends(qadusParams, t)
})
})
.then(() => logger.info('User video rate for video %s of user %s updated.', videoInstance.name, userInstance.username))
.catch(err => {
// This is just a debug because we will retry the insert
logger.debug('Cannot add the user video rate.', { error: err })
throw err
})
}
|
