text: 'use strict'
  
  const fs = require('fs')
  const path = require('path')
  const Sequelize = require('sequelize')
  const basename = path.basename(__filename)
  const env = process.env.NODE_ENV || 'development'
  const config = require(__dirname + '/../config/config.js')[env]
  const db = {}
  
  let sequelize
  if (config.use_env_variable) {
    sequelize = new Sequelize(process.env[config.use_env_variable], config)
  } else {
    sequelize = new Sequelize(
      config.database,
      config.username,
      config.password,
      config
    )
  }
  
  fs.readdirSync(__dirname)
    .filter((file) => {
      return (
        file.indexOf('.') !== 0 && file !== basename && file.slice(-3) === '.js'
      )
    })
    .forEach((file) => {
      const model = require(path.join(__dirname, file))(
        sequelize,
        Sequelize.DataTypes
      )
      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
  