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