index.js

import express from 'express';
import cors from 'cors';
import session from 'express-session';
import passport from 'passport';

// DO NOT UNCOMMENT THIS, I WILL FIND YOU AND DESTROY EVERYTHING YOU LOVE, TY :)
import passportSetup from './utils/passport.js'
import sequelize from './utils/database.js';

import User from './models/User.js';
import Fund from './models/Fund.js';
import Transaction from './models/Transaction.js';
import User_Portfolio from './models/User_Portfolio.js';

import authRoutes from './routes/authRoutes.js';
import googleAuthRoutes from './routes/googleAuthRoutes.js';
import fundsRoutes from './routes/fundsRoutes.js';
import userRoutes from './routes/userRoutes.js';

import dotenv from 'dotenv';
dotenv.config();

const app = express();
app.use(session({
    secret: 'pbl-be',
    resave: false,
    saveUninitialized: true,
}))
app.use(express.json({ limit: "50mb", extended: true }));
app.use(express.urlencoded({ limit: "50mb", extended: true }));
app.use(cors({
    origin: "http://localhost:3000",
    methods: "GET,POST,PUT,DELETE",
    credentials: true,
}));
app.use(passport.initialize());
app.use(passport.session());

const port = process.env.PORT || 5000;

app.use('/auth', authRoutes);
app.use('/google-auth', googleAuthRoutes);
app.use('/funds', fundsRoutes);
app.use('/user', userRoutes);

app.get("/", (req, res) => {
    res.send("Hello pbl");
});

/**
 * Relations @see https://sequelize.org/master/manual/assocs.html
 * 1 User - M Transaction
 */
User.hasMany(Transaction, {
    foreignKey: 'user_id',
    onDelete: 'NO ACTION'
});
Transaction.belongsTo(User, {
    foreignKey: 'user_id',
});

// N User - M Transaction
User.belongsToMany(Fund, { through: User_Portfolio, foreignKey: 'user_id', otherKey: 'fund_id' });
Fund.belongsToMany(User, { through: User_Portfolio, foreignKey: 'fund_id', otherKey: 'user_id' });

sequelize.sync()
    .then(() => {
        app.listen(port, () => {
            console.log("App running on port", port);
        });
    })
    .catch(err => console.log(err));