score-tracker/database/accounts/accounts.js

const database = require('./../database');
const passport = require('passport');
const passportLocal = require('passport-local');
const bcrypt = require('bcrypt');

passport.use(new passportLocal.Strategy((email, password, cb) => {
    query = `SELECT user_id, email, password, admin
            FROM accounts.users
            WHERE email = $1`;
    database.executeQuery(query, [email])
        .then(result => {
            if(result.length > 0) {
                const first = result[0];
                const matches = bcrypt.compareSync(password, first[2]);
                if(matches) {
                    cb(null, { id: first[0], email: first[1], admin: first[3] })
                }
                else
                {
                    cb(null, false)
                }
            } else {
                cb(null, false)
            }
        });
}));

passport.serializeUser((user, done) => {
    done(null, user.id)
})

passport.deserializeUser((id, cb) => {
    query = `SELECT user_id, email, admin
            FROM accounts.users
            WHERE id = $1`;
    database.executeQuery(query, [parseInt(id, 10)])
        .then(result => {
            cb(null, result[0]);
        });
});



async function createUser(email, password) {
    const salt = bcrypt.genSaltSync();
    const hash = bcrypt.hashSync(password, salt);

    const query = `INSERT INTO accounts.users(email, password)
            VALUES($1, $2)`;
    await database.executeQuery(query, [email, hash]);
}