dcumcTest/models/user.js

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)
			}
		}
	})

	return User
}