joi validation

stuff.js

const Joi = require('joi');
const bcrypt = require('bcrypt');
const { checkRecordsExists, insertRecord } = require('../utils/sqlSchemaFunction');

const SignUpSchema = Joi.object({
  email: Joi.string().email({ minDomainSegments: 2, tlds: { allow: ['com', 'net'] } }).required(),
  username: Joi.string().alphanum().min(3).max(15).required(),
  password: Joi.string().min(8).required(),
});

const register = async (req, res) => {
  try {
    const { email, username, password } = await SignUpSchema.validateAsync(
      req.body, { abortEarly: false }
    );

    const salt = await bcrypt.genSalt(10);
    const hashedPassword = await bcrypt.hash(password, salt);
    
    const user = { username, email, password: hashedPassword };

    const userAlreadyExists = await checkRecordsExists('users', 'email', email);

    if (userAlreadyExists) {
      return res.status(400).json('Email must be unique');
    }

    await insertRecord("users", user);
    res.status(200).json('User created successfully');
  } catch (err) {
    if (Joi.isError(err)) {
      return res.status(400).json(err.details);
    }

    res.status(500).json({ err: err.message });
  }
};