3 var BPromise = require('bluebird');
5 var logger = require('../config/logger')('migration');
6 var util = require('util');
8 var Sequence = function() {};
10 Sequence.prototype.enqueue = function(fn) {
11 this.tail = this.tail ? this.tail.finally(fn) : fn();
14 var Migration = function(queryInterface) {
15 this.queryInterface = queryInterface;
16 this.sequence = new Sequence();
19 Migration.prototype.changeColumn = function(table, column, type) {
21 this.sequence.enqueue(function() {
22 return _this.queryInterface
23 .changeColumn(table, column, type)
25 logger.info('Changed column %s in table %s', column, table);
27 .catch(function(err) {
28 logger.info(JSON.stringify(err));
33 Migration.prototype.addColumn = function(table, column, type) {
35 this.sequence.enqueue(function() {
36 return _this.queryInterface
37 .addColumn(table, column, type)
39 logger.info('Added column %s to %s', column, table);
41 .catch(function(err) {
42 logger.info(JSON.stringify(err));
47 Migration.prototype.dropTable = function(table) {
49 this.sequence.enqueue(function() {
50 return _this.queryInterface
55 logger.info('table dropped %s', table);
57 .catch(function(err) {
58 logger.info(JSON.stringify(err));
63 Migration.prototype.addIndex = function(table, column, indexName) {
65 this.sequence.enqueue(function() {
66 return _this.queryInterface.addIndex(table, column, {
70 logger.info('addIndex %s %s %s', table, column.join(','), indexName);
72 .catch(function(err) {
73 logger.info(JSON.stringify(err));
78 Migration.prototype.query = function(sql) {
80 this.sequence.enqueue(function() {
81 return _this.queryInterface.sequelize.query(sql)
83 logger.info('query %s', sql);
85 .catch(function(err) {
86 logger.info(JSON.stringify(err));
91 Migration.prototype.removeColumn = function(table, column) {
93 this.sequence.enqueue(function() {
94 return _this.queryInterface.removeColumn(table, column)
96 logger.info('Removed column %s from %s', column, table);
98 .catch(function(err) {
99 logger.info(util.inspect(err, {
107 Migration.prototype.final = function(resolve) {
109 this.sequence.enqueue(function() {
115 up: function(queryInterface, Sequelize) {
116 return new BPromise(function(resolve, reject) {
117 var migration = new Migration(queryInterface);
119 //START OPENCHANNEL MESSAGES
120 migration.addColumn('openchannel_messages', 'AttachmentId', {
121 type: Sequelize.INTEGER
123 migration.query('ALTER TABLE `openchannel_messages` \
124 ADD CONSTRAINT `openchannel_messages_ibfk_5` \
125 FOREIGN KEY (`AttachmentId`) \
126 REFERENCES attachments(`id`) \
128 ON DELETE SET NULL');
129 //END OPENCHANNEL MESSAGES
132 migration.final(resolve);
137 down: function(queryInterface, Sequelize) {
138 var migration = new Migration(queryInterface);