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1 | 'use strict' | |
2 | ||
3 | const map = require('lodash/map') | |
4 | ||
5 | const constants = require('../initializers/constants') | |
6 | const customPodsValidators = require('../helpers/custom-validators').pods | |
7 | ||
8 | // --------------------------------------------------------------------------- | |
9 | ||
10 | module.exports = function (sequelize, DataTypes) { | |
11 | const Pod = sequelize.define('Pod', | |
12 | { | |
13 | host: { | |
14 | type: DataTypes.STRING, | |
15 | allowNull: false, | |
16 | validate: { | |
17 | isHost: function (value) { | |
18 | const res = customPodsValidators.isHostValid(value) | |
19 | if (res === false) throw new Error('Host not valid.') | |
20 | } | |
21 | } | |
22 | }, | |
23 | publicKey: { | |
24 | type: DataTypes.STRING(5000), | |
25 | allowNull: false | |
26 | }, | |
27 | score: { | |
28 | type: DataTypes.INTEGER, | |
29 | defaultValue: constants.FRIEND_SCORE.BASE, | |
30 | allowNull: false, | |
31 | validate: { | |
32 | isInt: true, | |
33 | max: constants.FRIEND_SCORE.MAX | |
34 | } | |
35 | } | |
36 | }, | |
37 | { | |
38 | indexes: [ | |
39 | { | |
40 | fields: [ 'host' ] | |
41 | }, | |
42 | { | |
43 | fields: [ 'score' ] | |
44 | } | |
45 | ], | |
46 | classMethods: { | |
47 | associate, | |
48 | ||
49 | countAll, | |
50 | incrementScores, | |
51 | list, | |
52 | listAllIds, | |
53 | listBadPods, | |
54 | load, | |
55 | loadByHost, | |
56 | removeAll | |
57 | }, | |
58 | instanceMethods: { | |
59 | toFormatedJSON | |
60 | } | |
61 | } | |
62 | ) | |
63 | ||
64 | return Pod | |
65 | } | |
66 | ||
67 | // ------------------------------ METHODS ------------------------------ | |
68 | ||
69 | function toFormatedJSON () { | |
70 | const json = { | |
71 | id: this.id, | |
72 | host: this.host, | |
73 | score: this.score, | |
74 | createdAt: this.createdAt | |
75 | } | |
76 | ||
77 | return json | |
78 | } | |
79 | ||
80 | // ------------------------------ Statics ------------------------------ | |
81 | ||
82 | function associate (models) { | |
83 | this.belongsToMany(models.Request, { | |
84 | foreignKey: 'podId', | |
85 | through: models.RequestToPod, | |
86 | onDelete: 'cascade' | |
87 | }) | |
88 | } | |
89 | ||
90 | function countAll (callback) { | |
91 | return this.count().asCallback(callback) | |
92 | } | |
93 | ||
94 | function incrementScores (ids, value, callback) { | |
95 | if (!callback) callback = function () {} | |
96 | ||
97 | const update = { | |
98 | score: this.sequelize.literal('score +' + value) | |
99 | } | |
100 | ||
101 | const options = { | |
102 | where: { | |
103 | id: { | |
104 | $in: ids | |
105 | } | |
106 | }, | |
107 | // In this case score is a literal and not an integer so we do not validate it | |
108 | validate: false | |
109 | } | |
110 | ||
111 | return this.update(update, options).asCallback(callback) | |
112 | } | |
113 | ||
114 | function list (callback) { | |
115 | return this.findAll().asCallback(callback) | |
116 | } | |
117 | ||
118 | function listAllIds (callback) { | |
119 | const query = { | |
120 | attributes: [ 'id' ] | |
121 | } | |
122 | ||
123 | return this.findAll(query).asCallback(function (err, pods) { | |
124 | if (err) return callback(err) | |
125 | ||
126 | return callback(null, map(pods, 'id')) | |
127 | }) | |
128 | } | |
129 | ||
130 | function listBadPods (callback) { | |
131 | const query = { | |
132 | where: { | |
133 | score: { $lte: 0 } | |
134 | } | |
135 | } | |
136 | ||
137 | return this.findAll(query).asCallback(callback) | |
138 | } | |
139 | ||
140 | function load (id, callback) { | |
141 | return this.findById(id).asCallback(callback) | |
142 | } | |
143 | ||
144 | function loadByHost (host, callback) { | |
145 | const query = { | |
146 | where: { | |
147 | host: host | |
148 | } | |
149 | } | |
150 | ||
151 | return this.findOne(query).asCallback(callback) | |
152 | } | |
153 | ||
154 | function removeAll (callback) { | |
155 | return this.destroy().asCallback(callback) | |
156 | } |