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e02643f3 C |
1 | import * as Sequelize from 'sequelize' |
2 | ||
65fcc311 | 3 | import { isUserUsernameValid } from '../helpers' |
67bf9b96 | 4 | |
e02643f3 C |
5 | import { addMethodsToModel } from './utils' |
6 | import { | |
7 | AuthorClass, | |
8 | AuthorInstance, | |
9 | AuthorAttributes, | |
10 | ||
11 | AuthorMethods | |
12 | } from './author-interface' | |
13 | ||
14 | let Author: Sequelize.Model<AuthorInstance, AuthorAttributes> | |
15 | let findOrCreateAuthor: AuthorMethods.FindOrCreateAuthor | |
16 | ||
127944aa | 17 | export default function defineAuthor (sequelize: Sequelize.Sequelize, DataTypes: Sequelize.DataTypes) { |
e02643f3 | 18 | Author = sequelize.define<AuthorInstance, AuthorAttributes>('Author', |
feb4bdfd C |
19 | { |
20 | name: { | |
67bf9b96 C |
21 | type: DataTypes.STRING, |
22 | allowNull: false, | |
23 | validate: { | |
24 | usernameValid: function (value) { | |
65fcc311 | 25 | const res = isUserUsernameValid(value) |
67bf9b96 C |
26 | if (res === false) throw new Error('Username is not valid.') |
27 | } | |
28 | } | |
feb4bdfd C |
29 | } |
30 | }, | |
31 | { | |
319d072e C |
32 | indexes: [ |
33 | { | |
34 | fields: [ 'name' ] | |
35 | }, | |
36 | { | |
37 | fields: [ 'podId' ] | |
4712081f C |
38 | }, |
39 | { | |
5d67f289 C |
40 | fields: [ 'userId' ], |
41 | unique: true | |
42 | }, | |
43 | { | |
44 | fields: [ 'name', 'podId' ], | |
45 | unique: true | |
319d072e | 46 | } |
e02643f3 | 47 | ] |
feb4bdfd C |
48 | } |
49 | ) | |
50 | ||
e02643f3 C |
51 | const classMethods = [ associate, findOrCreateAuthor ] |
52 | addMethodsToModel(Author, classMethods) | |
53 | ||
feb4bdfd C |
54 | return Author |
55 | } | |
56 | ||
57 | // --------------------------------------------------------------------------- | |
58 | ||
59 | function associate (models) { | |
e02643f3 | 60 | Author.belongsTo(models.Pod, { |
feb4bdfd C |
61 | foreignKey: { |
62 | name: 'podId', | |
63 | allowNull: true | |
64 | }, | |
65 | onDelete: 'cascade' | |
66 | }) | |
4712081f | 67 | |
e02643f3 | 68 | Author.belongsTo(models.User, { |
4712081f C |
69 | foreignKey: { |
70 | name: 'userId', | |
71 | allowNull: true | |
72 | }, | |
73 | onDelete: 'cascade' | |
74 | }) | |
feb4bdfd | 75 | } |
4ff0d862 | 76 | |
69818c93 C |
77 | findOrCreateAuthor = function ( |
78 | name: string, | |
79 | podId: number, | |
80 | userId: number, | |
81 | transaction: Sequelize.Transaction, | |
82 | callback: AuthorMethods.FindOrCreateAuthorCallback | |
83 | ) { | |
4ff0d862 C |
84 | const author = { |
85 | name, | |
86 | podId, | |
87 | userId | |
88 | } | |
89 | ||
65fcc311 | 90 | const query: any = { |
4ff0d862 C |
91 | where: author, |
92 | defaults: author | |
93 | } | |
94 | ||
69818c93 | 95 | if (transaction !== null) query.transaction = transaction |
4ff0d862 | 96 | |
e02643f3 | 97 | Author.findOrCreate(query).asCallback(function (err, result) { |
ad4a8a1c C |
98 | if (err) return callback(err) |
99 | ||
4ff0d862 | 100 | // [ instance, wasCreated ] |
ad4a8a1c | 101 | return callback(null, result[0]) |
4ff0d862 C |
102 | }) |
103 | } |