111 lines
2.1 KiB
JavaScript
111 lines
2.1 KiB
JavaScript
"use strict";
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/**
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* Model: Users
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*/
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const utils = require(`../utils`);
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const db = require(`./db`);
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/**
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* Register user
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* @param {string} user.email User email
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* @param {string} user.password User password
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*/
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const register = async (user = {}) => {
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if (!user.email) {
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throw new Error(`"email" is required`);
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}
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if (!user.password) {
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throw new Error(`"password" is required`);
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}
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if (!utils.validateEmailAddress(user.email)) {
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throw new Error(`"${user.email}" is not a valid email address`);
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}
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// Check if user is already registered
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const existingUser = await getByEmail(user.email);
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if (existingUser) {
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throw new Error(`A user with email "${user.email}" is already registered`);
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}
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user.password = utils.hashPassword(user.password);
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await db.put(
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`user`,
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{
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hk: user.email,
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password: user.password,
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}).promise();
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};
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/**
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* Get user by email address
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* @param {string} email
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*/
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const getByEmail = async (email) => {
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if (!email) {
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throw new Error(`"email" is required`);
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}
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if (!utils.validateEmailAddress(email)) {
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throw new Error(`"${email}" is not a valid email address`);
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}
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let user = await db.getByKey(email).promise();
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user = user.Items && user.Items[0] ? user.Items[0] : null;
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if (user) {
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user = convertToPublicFormat(user);
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}
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return user;
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};
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/**
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* Get user by id
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* @param {string} id
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*/
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const getById = async (id) => {
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if (!id) {
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throw new Error(`"id" is required`);
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}
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let user = await db.getById(`user`, id).promise();
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user = user.Items && user.Items[0] ? user.Items[0] : null;
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if (user) {
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user = convertToPublicFormat(user);
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}
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return user;
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};
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/**
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* Convert user record to public format
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* This hides the keys used for the dynamodb's single table design and returns human-readable properties.
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* @param {*} user
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*/
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const convertToPublicFormat = (user = {}) => {
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user.email = user.hk || null;
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user.id = user.sk2 || null;
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if (user.hk) {
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delete user.hk;
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}
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if (user.sk) {
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delete user.sk;
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}
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if (user.sk2) {
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delete user.sk2;
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}
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if (user.password) {
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delete user.password;
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}
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return user;
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};
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module.exports = {
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register,
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getByEmail,
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getById,
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convertToPublicFormat,
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};
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