let randomColor = require('randomcolor') module.exports = (sequelize, DataTypes) => { let User = sequelize.define('User', { username: { type: DataTypes.STRING, unique: true }, color: { type: DataTypes.STRING, defaultValue () { return randomColor() } }, hash: DataTypes.STRING, admin: { type: DataTypes.BOOLEAN, defaultValue: false } }, { classMethods: { associate (models) { User.hasMany(models.Post) }, includeOptions (lastId, limit) { let models = sequelize.models let options = models.Post.includeOptions()[0] options.where = { id: { $gt: lastId } } options.limit = limit options.order = [['id', 'ASC']] return [options] } } }) return User }