sequelize.js
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var Utils = require("./utils")
, DAOFactory = require("./dao-factory")
, DataTypes = require('./data-types')
, DAOFactoryManager = require("./dao-factory-manager")
, Migrator = require("./migrator")
, QueryInterface = require("./query-interface")
module.exports = (function() {
var Sequelize = function(database, username, password, options) {
this.options = Utils._.extend({
dialect: 'mysql',
host: 'localhost',
port: 3306,
define: {},
query: {},
sync: {},
logging: console.log
}, options || {})
if(this.options.logging === true) {
console.log('DEPRECATION WARNING: The logging-option should be either a function or false. Default: console.log')
this.options.logging = console.log
}
if(this.options.logging == console.log) {
// using just console.log will break in node < 0.6
this.options.logging = function(s) { console.log(s) }
}
this.config = {
database: database,
username: username,
password: (( (["", null, false].indexOf(password) > -1) || (typeof password == 'undefined')) ? null : password),
host : this.options.host,
port : this.options.port,
pool : this.options.pool
}
var ConnectorManager = require("./dialects/" + this.options.dialect + "/connector-manager")
this.daoFactoryManager = new DAOFactoryManager(this)
this.connectorManager = new ConnectorManager(this, this.config)
}
Sequelize.Utils = Utils
Sequelize.Utils._.map(DataTypes, function(sql, accessor) { Sequelize[accessor] = sql})
Sequelize.prototype.getQueryInterface = function() {
this.queryInterface = this.queryInterface || new QueryInterface(this)
return this.queryInterface
}
Sequelize.prototype.getMigrator = function(options, force) {
if(force)
this.migrator = new Migrator(this, options)
else
this.migrator = this.migrator || new Migrator(this, options)
return this.migrator
}
Sequelize.prototype.define = function(daoName, attributes, options) {
options = options || {}
if(this.options.define)
options = Sequelize.Utils.merge(options, this.options.define)
var factory = new DAOFactory(daoName, attributes, options)
this.daoFactoryManager.addDAO(factory.init(this.daoFactoryManager))
return factory
}
Sequelize.prototype.import = function(path) {
var defineCall = require(path)
return defineCall(this, DataTypes)
}
Sequelize.prototype.migrate = function(options) {
this.getMigrator().migrate(options)
}
Sequelize.prototype.query = function(sql, callee, options) {
options = Utils._.extend(Utils._.clone(this.options.query), options || {})
options = Utils._.extend(options, {
logging: this.options.hasOwnProperty('logging') ? this.options.logging : console.log
})
return this.connectorManager.query(sql, callee, options)
}
Sequelize.prototype.sync = function(options) {
options = options || {}
if(this.options.sync)
options = Sequelize.Utils.merge(options, this.options.sync)
var self = this
return new Utils.CustomEventEmitter(function(emitter) {
var chainer = new Utils.QueryChainer
self.daoFactoryManager.daos.forEach(function(dao) { chainer.add(dao.sync(options)) })
chainer
.run()
.success(function() { emitter.emit('success', null) })
.error(function(err) { emitter.emit('failure', err) })
}).run()
}
Sequelize.prototype.drop = function() {
var self = this
return new Utils.CustomEventEmitter(function(emitter) {
var chainer = new Utils.QueryChainer
self.daoFactoryManager.daos.forEach(function(dao) { chainer.add(dao.drop()) })
chainer
.run()
.success(function() { emitter.emit('success', null) })
.error(function(err) { emitter.emit('failure', err) })
}).run()
}
return Sequelize
})()