expressCart/routes/index.js

859 lines
28 KiB
JavaScript

const express = require('express');
const router = express.Router();
const colors = require('colors');
const hash = require('object-hash');
const stripHtml = require('string-strip-html');
const moment = require('moment');
const _ = require('lodash');
const {
getId,
hooker,
clearSessionValue,
sortMenu,
getMenu,
getPaymentConfig,
getImages,
updateTotalCart,
emptyCart,
updateSubscriptionCheck,
getData,
addSitemapProducts,
getCountryList
} = require('../lib/common');
const countryList = getCountryList();
// These is the customer facing routes
router.get('/payment/:orderId', async (req, res, next) => {
const db = req.app.db;
const config = req.app.config;
// Get the order
const order = await db.orders.findOne({ _id: getId(req.params.orderId) });
if(!order){
res.render('error', { title: 'Not found', message: 'Order not found', helpers: req.handlebars.helpers, config });
return;
}
// If stock management is turned on payment approved update stock level
if(config.trackStock && req.session.paymentApproved){
order.orderProducts.forEach(async (product) => {
const dbProduct = await db.products.findOne({ _id: getId(product.productId) });
let newStockLevel = dbProduct.productStock - product.quantity;
if(newStockLevel < 1){
newStockLevel = 0;
}
// Update product stock
await db.products.updateOne({
_id: getId(product.productId)
}, {
$set: {
productStock: newStockLevel
}
}, { multi: false });
});
}
// If hooks are configured, send hook
if(config.orderHook){
await hooker(order);
};
res.render(`${config.themeViews}payment-complete`, {
title: 'Payment complete',
config: req.app.config,
session: req.session,
result: order,
message: clearSessionValue(req.session, 'message'),
messageType: clearSessionValue(req.session, 'messageType'),
helpers: req.handlebars.helpers,
showFooter: 'showFooter',
menu: sortMenu(await getMenu(db))
});
});
router.get('/emptycart', async (req, res, next) => {
emptyCart(req, res, '');
});
router.get('/checkout/information', async (req, res, next) => {
const config = req.app.config;
// if there is no items in the cart then render a failure
if(!req.session.cart){
req.session.message = 'The are no items in your cart. Please add some items before checking out';
req.session.messageType = 'danger';
res.redirect('/');
return;
}
let paymentType = '';
if(req.session.cartSubscription){
paymentType = '_subscription';
}
// render the payment page
res.render(`${config.themeViews}checkout-information`, {
title: 'Checkout',
config: req.app.config,
session: req.session,
paymentType,
cartClose: false,
page: 'checkout-information',
countryList,
message: clearSessionValue(req.session, 'message'),
messageType: clearSessionValue(req.session, 'messageType'),
helpers: req.handlebars.helpers,
showFooter: 'showFooter'
});
});
router.get('/checkout/shipping', async (req, res, next) => {
const config = req.app.config;
// if there is no items in the cart then render a failure
if(!req.session.cart){
req.session.message = 'The are no items in your cart. Please add some items before checking out';
req.session.messageType = 'danger';
res.redirect('/');
return;
}
if(!req.session.customerEmail){
req.session.message = 'Cannot proceed to shipping without customer information';
req.session.messageType = 'danger';
res.redirect('/checkout/information');
return;
}
// Net cart amount
const netCartAmount = req.session.totalCartAmount - req.session.totalCartShipping || 0;
// Recalculate shipping
config.modules.loaded.shipping.calculateShipping(
netCartAmount,
config,
req
);
// render the payment page
res.render(`${config.themeViews}checkout-shipping`, {
title: 'Checkout',
config: req.app.config,
session: req.session,
cartClose: false,
cartReadOnly: true,
page: 'checkout-shipping',
countryList,
message: clearSessionValue(req.session, 'message'),
messageType: clearSessionValue(req.session, 'messageType'),
helpers: req.handlebars.helpers,
showFooter: 'showFooter'
});
});
router.get('/checkout/cart', (req, res) => {
const config = req.app.config;
res.render(`${config.themeViews}checkout-cart`, {
page: req.query.path,
config,
session: req.session,
message: clearSessionValue(req.session, 'message'),
messageType: clearSessionValue(req.session, 'messageType'),
helpers: req.handlebars.helpers,
showFooter: 'showFooter'
});
});
router.get('/checkout/cartdata', (req, res) => {
const config = req.app.config;
res.status(200).json({
cart: req.session.cart,
session: req.session,
currencySymbol: config.currencySymbol || '$'
});
});
router.get('/checkout/payment', async (req, res) => {
const config = req.app.config;
// if there is no items in the cart then render a failure
if(!req.session.cart){
req.session.message = 'The are no items in your cart. Please add some items before checking out';
req.session.messageType = 'danger';
res.redirect('/');
return;
}
let paymentType = '';
if(req.session.cartSubscription){
paymentType = '_subscription';
}
// update total cart amount one last time before payment
await updateTotalCart(req, res);
res.render(`${config.themeViews}checkout-payment`, {
title: 'Checkout',
config: req.app.config,
paymentConfig: getPaymentConfig(),
session: req.session,
paymentPage: true,
paymentType,
cartClose: true,
cartReadOnly: true,
page: 'checkout-information',
countryList,
message: clearSessionValue(req.session, 'message'),
messageType: clearSessionValue(req.session, 'messageType'),
helpers: req.handlebars.helpers,
showFooter: 'showFooter'
});
});
router.post('/checkout/adddiscountcode', async (req, res) => {
const config = req.app.config;
const db = req.app.db;
// if there is no items in the cart return a failure
if(!req.session.cart){
res.status(400).json({
message: 'The are no items in your cart.'
});
return;
}
// Check if the discount module is loaded
if(!config.modules.loaded.discount){
res.status(400).json({
message: 'Access denied.'
});
return;
}
// Check defined or null
if(!req.body.discountCode || req.body.discountCode === ''){
res.status(400).json({
message: 'Discount code is invalid or expired'
});
return;
}
// Validate discount code
const discount = await db.discounts.findOne({ code: req.body.discountCode });
if(!discount){
res.status(400).json({
message: 'Discount code is invalid or expired'
});
return;
}
// Validate date validity
if(!moment().isBetween(moment(discount.start), moment(discount.end))){
res.status(400).json({
message: 'Discount is expired'
});
return;
}
// Set the discount code
req.session.discountCode = discount.code;
// Update the cart amount
await updateTotalCart(req, res);
// Return the message
res.status(200).json({
message: 'Discount code applied'
});
});
router.post('/checkout/removediscountcode', async (req, res) => {
// if there is no items in the cart return a failure
if(!req.session.cart){
res.status(400).json({
message: 'The are no items in your cart.'
});
return;
}
// Delete the discount code
delete req.session.discountCode;
// update total cart amount
await updateTotalCart(req, res);
// Return the message
res.status(200).json({
message: 'Discount code removed'
});
});
// show an individual product
router.get('/product/:id', async (req, res) => {
const db = req.app.db;
const config = req.app.config;
const product = await db.products.findOne({ $or: [{ _id: getId(req.params.id) }, { productPermalink: req.params.id }] });
if(!product){
res.render('error', { title: 'Not found', message: 'Order not found', helpers: req.handlebars.helpers, config });
return;
}
if(product.productPublished === false){
res.render('error', { title: 'Not found', message: 'Product not found', helpers: req.handlebars.helpers, config });
return;
}
const productOptions = product.productOptions;
// If JSON query param return json instead
if(req.query.json === 'true'){
res.status(200).json(product);
return;
}
// show the view
const images = await getImages(product._id, req, res);
res.render(`${config.themeViews}product`, {
title: product.productTitle,
result: product,
productOptions: productOptions,
images: images,
productDescription: stripHtml(product.productDescription),
metaDescription: config.cartTitle + ' - ' + product.productTitle,
config: config,
session: req.session,
pageUrl: config.baseUrl + req.originalUrl,
message: clearSessionValue(req.session, 'message'),
messageType: clearSessionValue(req.session, 'messageType'),
helpers: req.handlebars.helpers,
showFooter: 'showFooter',
menu: sortMenu(await getMenu(db))
});
});
// Gets the current cart
router.get('/cart/retrieve', async (req, res, next) => {
const db = req.app.db;
// Get the cart from the DB using the session id
const cart = await db.cart.findOne({ sessionId: getId(req.session.id) });
res.status(200).json({ cart: cart.cart });
});
// Updates a single product quantity
router.post('/product/updatecart', async (req, res, next) => {
const db = req.app.db;
const config = req.app.config;
const cartItem = req.body;
// Check cart exists
if(!req.session.cart){
emptyCart(req, res, 'json', 'There are no items if your cart or your cart is expired');
return;
}
// Calculate the quantity to update
let productQuantity = cartItem.quantity ? cartItem.quantity : 1;
if(typeof productQuantity === 'string'){
productQuantity = parseInt(productQuantity);
}
if(productQuantity === 0){
// quantity equals zero so we remove the item
delete req.session.cart[cartItem.cartId];
res.status(400).json({ message: 'There was an error updating the cart', totalCartItems: Object.keys(req.session.cart).length });
return;
}
const product = await db.products.findOne({ _id: getId(req.session.cart[cartItem.cartId].productId) });
if(!product){
res.status(400).json({ message: 'There was an error updating the cart', totalCartItems: Object.keys(req.session.cart).length });
return;
}
// If stock management on check there is sufficient stock for this product
if(config.trackStock){
if(productQuantity > product.productStock){
res.status(400).json({ message: 'There is insufficient stock of this product.', totalCartItems: Object.keys(req.session.cart).length });
return;
}
}
const productPrice = parseFloat(product.productPrice).toFixed(2);
if(!req.session.cart[cartItem.cartId]){
res.status(400).json({ message: 'There was an error updating the cart', totalCartItems: Object.keys(req.session.cart).length });
return;
}
// Update the cart
req.session.cart[cartItem.cartId].quantity = productQuantity;
req.session.cart[cartItem.cartId].totalItemPrice = productPrice * productQuantity;
// update total cart amount
await updateTotalCart(req, res);
// Update checking cart for subscription
updateSubscriptionCheck(req, res);
// Update cart to the DB
await db.cart.updateOne({ sessionId: req.session.id }, {
$set: { cart: req.session.cart }
});
res.status(200).json({ message: 'Cart successfully updated', totalCartItems: Object.keys(req.session.cart).length });
});
// Remove single product from cart
router.post('/product/removefromcart', async (req, res, next) => {
const db = req.app.db;
// Check for item in cart
if(!req.session.cart[req.body.cartId]){
return res.status(400).json({ message: 'Product not found in cart' });
}
// remove item from cart
delete req.session.cart[req.body.cartId];
// If not items in cart, empty it
if(Object.keys(req.session.cart).length === 0){
return emptyCart(req, res, 'json');
}
// Update cart in DB
await db.cart.updateOne({ sessionId: req.session.id }, {
$set: { cart: req.session.cart }
});
// update total cart
await updateTotalCart(req, res);
// Update checking cart for subscription
updateSubscriptionCheck(req, res);
return res.status(200).json({ message: 'Product successfully removed', totalCartItems: Object.keys(req.session.cart).length });
});
// Totally empty the cart
router.post('/product/emptycart', async (req, res, next) => {
emptyCart(req, res, 'json');
});
// Add item to cart
router.post('/product/addtocart', async (req, res, next) => {
const db = req.app.db;
const config = req.app.config;
let productQuantity = req.body.productQuantity ? parseInt(req.body.productQuantity) : 1;
const productComment = req.body.productComment ? req.body.productComment : null;
// If maxQuantity set, ensure the quantity doesn't exceed that value
if(config.maxQuantity && productQuantity > config.maxQuantity){
return res.status(400).json({
message: 'The quantity exceeds the max amount. Please contact us for larger orders.'
});
}
// Don't allow negative quantity
if(productQuantity < 1){
productQuantity = 1;
}
// setup cart object if it doesn't exist
if(!req.session.cart){
req.session.cart = {};
}
// Get the product from the DB
const product = await db.products.findOne({ _id: getId(req.body.productId) });
// No product found
if(!product){
return res.status(400).json({ message: 'Error updating cart. Please try again.' });
}
// If cart already has a subscription you cannot add anything else
if(req.session.cartSubscription){
return res.status(400).json({ message: 'Subscription already existing in cart. You cannot add more.' });
}
// If existing cart isn't empty check if product is a subscription
if(Object.keys(req.session.cart).length !== 0){
if(product.productSubscription){
return res.status(400).json({ message: 'You cannot combine subscription products with existing in your cart. Empty your cart and try again.' });
}
}
// If stock management on check there is sufficient stock for this product
if(config.trackStock && product.productStock){
// If there is more stock than total (ignoring held)
if(productQuantity > product.productStock){
return res.status(400).json({ message: 'There is insufficient stock of this product.' });
}
const stockHeld = await db.cart.aggregate(
{
$match: {
cart: { $elemMatch: { productId: product._id.toString() } }
}
},
{ $unwind: '$cart' },
{
$group: {
_id: '$cart.productId',
sumHeld: { $sum: '$cart.quantity' }
}
},
{
$project: {
sumHeld: 1
}
}
).toArray();
// If there is stock
if(stockHeld.length > 0){
const totalHeld = _.find(stockHeld, { _id: product._id.toString() }).sumHeld;
const netStock = product.productStock - totalHeld;
// Check there is sufficient stock
if(productQuantity > netStock){
return res.status(400).json({ message: 'There is insufficient stock of this product.' });
}
}
}
const productPrice = parseFloat(product.productPrice).toFixed(2);
let options = {};
if(req.body.productOptions){
try{
if(typeof req.body.productOptions === 'object'){
options = req.body.productOptions;
}else{
options = JSON.parse(req.body.productOptions);
}
}catch(ex){}
}
// Product with options hash
const productHash = hash({
productId: product._id.toString(),
options
});
// if exists we add to the existing value
let cartQuantity = 0;
if(req.session.cart[productHash]){
cartQuantity = parseInt(req.session.cart[productHash].quantity) + productQuantity;
req.session.cart[productHash].quantity = cartQuantity;
req.session.cart[productHash].totalItemPrice = productPrice * parseInt(req.session.cart[productHash].quantity);
}else{
// Set the card quantity
cartQuantity = productQuantity;
// new product deets
const productObj = {};
productObj.productId = product._id;
productObj.title = product.productTitle;
productObj.quantity = productQuantity;
productObj.totalItemPrice = productPrice * productQuantity;
productObj.options = options;
productObj.productImage = product.productImage;
productObj.productComment = productComment;
productObj.productSubscription = product.productSubscription;
if(product.productPermalink){
productObj.link = product.productPermalink;
}else{
productObj.link = product._id;
}
// merge into the current cart
req.session.cart[productHash] = productObj;
}
// Update cart to the DB
await db.cart.updateOne({ sessionId: req.session.id }, {
$set: { cart: req.session.cart }
}, { upsert: true });
// update total cart amount
await updateTotalCart(req, res);
// Update checking cart for subscription
updateSubscriptionCheck(req, res);
if(product.productSubscription){
req.session.cartSubscription = product.productSubscription;
}
return res.status(200).json({
message: 'Cart successfully updated',
cartId: productHash,
totalCartItems: req.session.totalCartItems
});
});
// search products
router.get('/search/:searchTerm/:pageNum?', (req, res) => {
const db = req.app.db;
const searchTerm = req.params.searchTerm;
const productsIndex = req.app.productsIndex;
const config = req.app.config;
const numberProducts = config.productsPerPage ? config.productsPerPage : 6;
const lunrIdArray = [];
productsIndex.search(searchTerm).forEach((id) => {
lunrIdArray.push(getId(id.ref));
});
let pageNum = 1;
if(req.params.pageNum){
pageNum = req.params.pageNum;
}
Promise.all([
getData(req, pageNum, { _id: { $in: lunrIdArray } }),
getMenu(db)
])
.then(([results, menu]) => {
// If JSON query param return json instead
if(req.query.json === 'true'){
res.status(200).json(results.data);
return;
}
res.render(`${config.themeViews}index`, {
title: 'Results',
results: results.data,
filtered: true,
session: req.session,
metaDescription: req.app.config.cartTitle + ' - Search term: ' + searchTerm,
searchTerm: searchTerm,
message: clearSessionValue(req.session, 'message'),
messageType: clearSessionValue(req.session, 'messageType'),
productsPerPage: numberProducts,
totalProductCount: results.totalProducts,
pageNum: pageNum,
paginateUrl: 'search',
config: config,
menu: sortMenu(menu),
helpers: req.handlebars.helpers,
showFooter: 'showFooter'
});
})
.catch((err) => {
console.error(colors.red('Error searching for products', err));
});
});
// search products
router.get('/category/:cat/:pageNum?', (req, res) => {
const db = req.app.db;
const searchTerm = req.params.cat;
const productsIndex = req.app.productsIndex;
const config = req.app.config;
const numberProducts = config.productsPerPage ? config.productsPerPage : 6;
const lunrIdArray = [];
productsIndex.search(searchTerm).forEach((id) => {
lunrIdArray.push(getId(id.ref));
});
let pageNum = 1;
if(req.params.pageNum){
pageNum = req.params.pageNum;
}
Promise.all([
getData(req, pageNum, { _id: { $in: lunrIdArray } }),
getMenu(db)
])
.then(([results, menu]) => {
const sortedMenu = sortMenu(menu);
// If JSON query param return json instead
if(req.query.json === 'true'){
res.status(200).json(results.data);
return;
}
res.render(`${config.themeViews}index`, {
title: `Category: ${searchTerm}`,
results: results.data,
filtered: true,
session: req.session,
searchTerm: searchTerm,
metaDescription: `${req.app.config.cartTitle} - Category: ${searchTerm}`,
message: clearSessionValue(req.session, 'message'),
messageType: clearSessionValue(req.session, 'messageType'),
productsPerPage: numberProducts,
totalProductCount: results.totalProducts,
pageNum: pageNum,
menuLink: _.find(sortedMenu.items, (obj) => { return obj.link === searchTerm; }),
paginateUrl: 'category',
config: config,
menu: sortedMenu,
helpers: req.handlebars.helpers,
showFooter: 'showFooter'
});
})
.catch((err) => {
console.error(colors.red('Error getting products for category', err));
});
});
// Language setup in cookie
router.get('/lang/:locale', (req, res) => {
res.cookie('locale', req.params.locale, { maxAge: 900000, httpOnly: true });
res.redirect('back');
});
// return sitemap
router.get('/sitemap.xml', (req, res, next) => {
const sm = require('sitemap');
const config = req.app.config;
addSitemapProducts(req, res, (err, products) => {
if(err){
console.error(colors.red('Error generating sitemap.xml', err));
}
const sitemap = sm.createSitemap(
{
hostname: config.baseUrl,
cacheTime: 600000,
urls: [
{ url: '/', changefreq: 'weekly', priority: 1.0 }
]
});
const currentUrls = sitemap.urls;
const mergedUrls = currentUrls.concat(products);
sitemap.urls = mergedUrls;
// render the sitemap
sitemap.toXML((err, xml) => {
if(err){
return res.status(500).end();
}
res.header('Content-Type', 'application/xml');
res.send(xml);
return true;
});
});
});
router.get('/page/:pageNum', (req, res, next) => {
const db = req.app.db;
const config = req.app.config;
const numberProducts = config.productsPerPage ? config.productsPerPage : 6;
Promise.all([
getData(req, req.params.pageNum),
getMenu(db)
])
.then(([results, menu]) => {
// If JSON query param return json instead
if(req.query.json === 'true'){
res.status(200).json(results.data);
return;
}
res.render(`${config.themeViews}index`, {
title: 'Shop',
results: results.data,
session: req.session,
message: clearSessionValue(req.session, 'message'),
messageType: clearSessionValue(req.session, 'messageType'),
metaDescription: req.app.config.cartTitle + ' - Products page: ' + req.params.pageNum,
config: req.app.config,
productsPerPage: numberProducts,
totalProductCount: results.totalProducts,
pageNum: req.params.pageNum,
paginateUrl: 'page',
helpers: req.handlebars.helpers,
showFooter: 'showFooter',
menu: sortMenu(menu)
});
})
.catch((err) => {
console.error(colors.red('Error getting products for page', err));
});
});
// The main entry point of the shop
router.get('/:page?', async (req, res, next) => {
const db = req.app.db;
const config = req.app.config;
const numberProducts = config.productsPerPage ? config.productsPerPage : 6;
// if no page is specified, just render page 1 of the cart
if(!req.params.page){
Promise.all([
getData(req, 1, {}),
getMenu(db)
])
.then(([results, menu]) => {
// If JSON query param return json instead
if(req.query.json === 'true'){
res.status(200).json(results.data);
return;
}
res.render(`${config.themeViews}index`, {
title: `${config.cartTitle} - Shop`,
theme: config.theme,
results: results.data,
session: req.session,
message: clearSessionValue(req.session, 'message'),
messageType: clearSessionValue(req.session, 'messageType'),
config,
productsPerPage: numberProducts,
totalProductCount: results.totalProducts,
pageNum: 1,
paginateUrl: 'page',
helpers: req.handlebars.helpers,
showFooter: 'showFooter',
menu: sortMenu(menu)
});
})
.catch((err) => {
console.error(colors.red('Error getting products for page', err));
});
}else{
if(req.params.page === 'admin'){
next();
return;
}
// lets look for a page
const page = db.pages.findOne({ pageSlug: req.params.page, pageEnabled: 'true' });
// if we have a page lets render it, else throw 404
if(page){
res.render(`${config.themeViews}page`, {
title: page.pageName,
page: page,
searchTerm: req.params.page,
session: req.session,
message: clearSessionValue(req.session, 'message'),
messageType: clearSessionValue(req.session, 'messageType'),
config: req.app.config,
metaDescription: req.app.config.cartTitle + ' - ' + page,
helpers: req.handlebars.helpers,
showFooter: 'showFooter',
menu: sortMenu(await getMenu(db))
});
}else{
res.status(404).render('error', {
title: '404 Error - Page not found',
config: req.app.config,
message: '404 Error - Page not found',
helpers: req.handlebars.helpers,
showFooter: 'showFooter',
menu: sortMenu(await getMenu(db))
});
}
}
});
module.exports = router;