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
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
/*
Request Video for Quick And Dirty Updates like:
- views
- likes
- dislikes
We can't put it in the same system than basic requests for efficiency.
Moreover we don't want to slow down the basic requests with a lot of views/likes/dislikes requests.
So we put it an independant request scheduler.
*/
import { values } from 'lodash'
import * as Sequelize from 'sequelize'
import { database as db } from '../initializers/database'
import { REQUEST_VIDEO_QADU_TYPES } from '../initializers'
import { addMethodsToModel } from './utils'
import {
RequestVideoQaduClass,
RequestVideoQaduInstance,
RequestVideoQaduAttributes,
RequestVideoQaduMethods
} from './request-video-qadu-interface'
let RequestVideoQadu: Sequelize.Model<RequestVideoQaduInstance, RequestVideoQaduAttributes>
let countTotalRequests: RequestVideoQaduMethods.CountTotalRequests
let listWithLimitAndRandom: RequestVideoQaduMethods.ListWithLimitAndRandom
let removeByRequestIdsAndPod: RequestVideoQaduMethods.RemoveByRequestIdsAndPod
let removeAll: RequestVideoQaduMethods.RemoveAll
export default function (sequelize, DataTypes) {
RequestVideoQadu = sequelize.define('RequestVideoQadu',
{
type: {
type: DataTypes.ENUM(values(REQUEST_VIDEO_QADU_TYPES)),
allowNull: false
}
},
{
timestamps: false,
indexes: [
{
fields: [ 'podId' ]
},
{
fields: [ 'videoId' ]
}
]
}
)
const classMethods = [
associate,
listWithLimitAndRandom,
countTotalRequests,
removeAll,
removeByRequestIdsAndPod
]
addMethodsToModel(RequestVideoQadu, classMethods)
return RequestVideoQadu
}
// ------------------------------ STATICS ------------------------------
function associate (models) {
RequestVideoQadu.belongsTo(models.Pod, {
foreignKey: {
name: 'podId',
allowNull: false
},
onDelete: 'CASCADE'
})
RequestVideoQadu.belongsTo(models.Video, {
foreignKey: {
name: 'videoId',
allowNull: false
},
onDelete: 'CASCADE'
})
}
countTotalRequests = function (callback: RequestVideoQaduMethods.CountTotalRequestsCallback) {
const query = {}
return RequestVideoQadu.count(query).asCallback(callback)
}
listWithLimitAndRandom = function (limitPods: number, limitRequestsPerPod: number, callback: RequestVideoQaduMethods.ListWithLimitAndRandomCallback) {
const Pod = db.Pod
const tableJoin = ''
Pod.listRandomPodIdsWithRequest(limitPods, 'RequestVideoQadus', tableJoin, function (err, podIds) {
if (err) return callback(err)
// We don't have friends that have requests
if (podIds.length === 0) return callback(null, [])
const query = {
include: [
{
model: RequestVideoQadu['sequelize'].models.Pod,
where: {
id: {
$in: podIds
}
}
},
{
model: RequestVideoQadu['sequelize'].models.Video
}
]
}
RequestVideoQadu.findAll(query).asCallback(function (err, requests) {
if (err) return callback(err)
const requestsGrouped = groupAndTruncateRequests(requests, limitRequestsPerPod)
return callback(err, requestsGrouped)
})
})
}
removeByRequestIdsAndPod = function (ids: number[], podId: number, callback: RequestVideoQaduMethods.RemoveByRequestIdsAndPodCallback) {
const query = {
where: {
id: {
$in: ids
},
podId
}
}
RequestVideoQadu.destroy(query).asCallback(callback)
}
removeAll = function (callback: RequestVideoQaduMethods.RemoveAllCallback) {
// Delete all requests
RequestVideoQadu.truncate({ cascade: true }).asCallback(callback)
}
// ---------------------------------------------------------------------------
function groupAndTruncateRequests (requests: RequestVideoQaduInstance[], limitRequestsPerPod: number) {
const requestsGrouped = {}
requests.forEach(function (request) {
const pod = request.Pod
if (!requestsGrouped[pod.id]) requestsGrouped[pod.id] = []
if (requestsGrouped[pod.id].length < limitRequestsPerPod) {
requestsGrouped[pod.id].push({
request: request,
video: request.Video,
pod
})
}
})
return requestsGrouped
}
|
