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67bf9b96 C |
1 | 'use strict' |
2 | ||
feb4bdfd C |
3 | module.exports = function (sequelize, DataTypes) { |
4 | const Application = sequelize.define('Application', | |
5 | { | |
b769007f | 6 | migrationVersion: { |
feb4bdfd | 7 | type: DataTypes.INTEGER, |
67bf9b96 C |
8 | defaultValue: 0, |
9 | allowNull: false, | |
10 | validate: { | |
11 | isInt: true | |
12 | } | |
feb4bdfd C |
13 | } |
14 | }, | |
15 | { | |
16 | classMethods: { | |
b769007f C |
17 | loadMigrationVersion, |
18 | updateMigrationVersion | |
feb4bdfd C |
19 | } |
20 | } | |
21 | ) | |
22 | ||
23 | return Application | |
24 | } | |
00d6b0dd C |
25 | |
26 | // --------------------------------------------------------------------------- | |
27 | ||
b769007f | 28 | function loadMigrationVersion (callback) { |
feb4bdfd | 29 | const query = { |
b769007f | 30 | attributes: [ 'migrationVersion' ] |
00d6b0dd | 31 | } |
00d6b0dd | 32 | |
feb4bdfd | 33 | return this.findOne(query).asCallback(function (err, data) { |
b769007f | 34 | const version = data ? data.migrationVersion : 0 |
00d6b0dd C |
35 | |
36 | return callback(err, version) | |
37 | }) | |
38 | } | |
39 | ||
b769007f C |
40 | function updateMigrationVersion (newVersion, transaction, callback) { |
41 | const options = { | |
42 | where: {} | |
43 | } | |
44 | ||
45 | if (!callback) { | |
46 | transaction = callback | |
47 | } else { | |
48 | options.transaction = transaction | |
49 | } | |
50 | ||
51 | return this.update({ migrationVersion: newVersion }, options).asCallback(callback) | |
00d6b0dd | 52 | } |