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/database.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;
  