signup.validator.js

const Joi = require('helpers/joi.adapter');

const userService = require('resources/user/user.service');

const schema = {
  firstName: Joi.string()
    .trim()
    .options({
      language: {
        any: { empty: '!!Your first name must be longer than 1 letter' },
      },
    }),
  lastName: Joi.string()
    .trim()
    .options({
      language: {
        any: { empty: '!!Your last name must be longer than 1 letter' },
      },
    }),
  email: Joi.string()
    .email({ minDomainSegments: 2 })
    .trim()
    .lowercase()
    .options({
      language: {
        string: { email: '!!Please enter a valid email address' },
        any: { empty: '!!Email is required' },
      },
    }),
  password: Joi.string()
    .trim()
    .min(6)
    .max(40)
    .options({
      language: {
        string: {
          min: '!!Password is too short',
          max: '!!Password is too long',
        },
        any: { empty: '!!Password is required' },
      },
    }),
};

const validateFunc = async (data) => {
  const userExists = await userService.exists({ email: data.email });
  const errors = [];
  if (userExists) {
    errors.push({ email: 'User with this email is already registered.' });
    return {
      errors,
    };
  }

  return {
    value: data,
    errors,
  };
};

module.exports = [Joi.validate(schema), validateFunc];