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import * as Sequelize from 'sequelize'
import { addMethodsToModel } from '../utils'
import {
ApplicationAttributes,
ApplicationInstance,
ApplicationMethods
} from './application-interface'
let Application: Sequelize.Model<ApplicationInstance, ApplicationAttributes>
let loadMigrationVersion: ApplicationMethods.LoadMigrationVersion
let updateMigrationVersion: ApplicationMethods.UpdateMigrationVersion
let countTotal: ApplicationMethods.CountTotal
export default function defineApplication (sequelize: Sequelize.Sequelize, DataTypes: Sequelize.DataTypes) {
Application = sequelize.define<ApplicationInstance, ApplicationAttributes>('Application',
{
migrationVersion: {
type: DataTypes.INTEGER,
defaultValue: 0,
allowNull: false,
validate: {
isInt: true
}
}
}
)
const classMethods = [
countTotal,
loadMigrationVersion,
updateMigrationVersion
]
addMethodsToModel(Application, classMethods)
return Application
}
// ---------------------------------------------------------------------------
countTotal = function () {
return this.count()
}
loadMigrationVersion = function () {
const query = {
attributes: [ 'migrationVersion' ]
}
return Application.findOne(query).then(data => data ? data.migrationVersion : null)
}
updateMigrationVersion = function (newVersion: number, transaction: Sequelize.Transaction) {
const options: Sequelize.UpdateOptions = {
where: {},
transaction: transaction
}
return Application.update({ migrationVersion: newVersion }, options)
}
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