node_learning_module_1/day1/models/index.js

"use strict";
/*Powered By: Manaknightdigital Inc. https://manaknightdigital.com/ Year: 2020*/
/**
 * Sequelize File
 * @copyright 2020 Manaknightdigital Inc.
 * @link https://manaknightdigital.com
 * @license Proprietary Software licensing
 * @author Ryan Wong
 *
 */
const fs = require("fs");
const path = require("path");
let Sequelize = require("sequelize");
const basename = path.basename(__filename);
const { DataTypes } = require("sequelize");

let db = {};

// SQLite configuration - stores data in a file instead of MySQL server
let sequelize = new Sequelize({
    dialect: "sqlite",
    storage: "./database.sqlite", // Database file location
    logging: console.log,
    define: {
        timestamps: false,
        underscoredAll: true,
        underscored: true,
    },
});

// Sync database tables
sequelize
    .sync({ alter: true })
    .then(() => {
        console.log("Database tables synchronized");
    })
    .catch((err) => {
        console.error("Error synchronizing database:", err);
    });

fs.readdirSync(__dirname)
    .filter((file) => {
        return (
            file.indexOf(".") !== 0 &&
            file !== basename &&
            file.slice(-3) === ".js"
        );
    })
    .forEach((file) => {
        var model = require(path.join(__dirname, file))(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;