user.js

'use strict';
const bcrypt = require('bcrypt');
module.exports = (sequelize, DataTypes) => {
  const User = sequelize.define('User', {
    firstname: DataTypes.STRING,
    lastname: DataTypes.STRING,
    email:{
      type:DataTypes.STRING,
      validate:{
        isEmail:true
      }
    },
    username: DataTypes.STRING,
    password: DataTypes.STRING,
    isAdmin: DataTypes.BOOLEAN,
    isConnected: DataTypes.BOOLEAN
  }, {
    hooks:{
      beforeCreate: (user) => {
         return bcrypt.hash(user.password,10)
             .then((hash) => user.password = hash)
             .catch((err) => console.log(err))
      }
    }
  });
  User.associate = function(models) {
    // associations can be defined here
  };
  return User;
};