const Sequelize = require('sequelize'); const Model = Sequelize.Model; module.exports = (sequelize) => { class Person extends Model { static associate(db) { Person.hasMany(db.MailAddress, {onDelete: 'cascade'}); Person.hasMany(db.PostalAddress, {onDelete: 'cascade'}); Person.hasMany(db.Phone, {onDelete: 'cascade'}); Person.belongsToMany(db.Group, {through:'PersonGroup'}); }; } Person.init({ lastname: Sequelize.STRING, firstname: Sequelize.STRING }, {sequelize, modelName: 'Person'}); return Person; };