segunolalive/helloBooks

import dbConfig from '../config/config';

const fs = require('fs');
const path = require('path');
const Sequelize = require('sequelize');

const basename = path.basename(module.filename);
const env = process.env.NODE_ENV || 'development';

const config = dbConfig[env];

const db = {};

const sequelize = config.use_env_variable ?
  new Sequelize(process.env[config.use_env_variable]) :
  new Sequelize(
    config.database,
    config.username,
    config.password,
    config
  );

fs
  .readdirSync(__dirname)
  .filter(file =>
    file.indexOf('.') !== 0 &&
    (file !== basename) &&
    (file.slice(-3) === '.js')
  )
  .forEach((file) => {
    const model = sequelize.import(path.join(__dirname, file));
    db[model.name] = model;
  });

Object.keys(db).forEach((modelName) => {
  if (db[modelName].associate) {
    db[modelName].associate(db);
  }
});

db.sequelize = sequelize;
db.Sequelize = Sequelize;

module.exports = db;