const express = require('express'); const router = express.Router(); const colors = require('colors'); const async = require('async'); const _ = require('lodash'); const { getId, hooker, showCartCloseBtn, clearSessionValue, sortMenu, getMenu, getPaymentConfig, getImages, updateTotalCartAmount, getData, addSitemapProducts } = require('../lib/common'); // These is the customer facing routes router.get('/payment/:orderId', async (req, res, next) => { const db = req.app.db; const config = req.app.config; // render the payment complete message db.orders.findOne({ _id: getId(req.params.orderId) }, async (err, order) => { if(err){ console.info(err.stack); } // 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.update({ _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, pageCloseBtn: showCartCloseBtn('payment'), 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('/checkout', 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; } // render the checkout res.render(`${config.themeViews}checkout`, { title: 'Checkout', config: req.app.config, session: req.session, pageCloseBtn: showCartCloseBtn('checkout'), checkout: 'hidden', page: 'checkout', message: clearSessionValue(req.session, 'message'), messageType: clearSessionValue(req.session, 'messageType'), helpers: req.handlebars.helpers, showFooter: 'showFooter' }); }); router.get('/pay', async (req, res, next) => { const config = req.app.config; // if there is no items in the cart then render a failure if(!req.session.cart){ req.session.message = 'The are no items in your cart. Please add some items before checking out'; req.session.messageType = 'danger'; res.redirect('/checkout'); return; } // render the payment page res.render(`${config.themeViews}pay`, { title: 'Pay', config: req.app.config, paymentConfig: getPaymentConfig(), pageCloseBtn: showCartCloseBtn('pay'), session: req.session, paymentPage: true, page: 'pay', message: clearSessionValue(req.session, 'message'), messageType: clearSessionValue(req.session, 'messageType'), helpers: req.handlebars.helpers, showFooter: 'showFooter' }); }); router.get('/cartPartial', (req, res) => { const config = req.app.config; res.render(`${config.themeViews}cart`, { pageCloseBtn: showCartCloseBtn(req.query.path), page: req.query.path, layout: false, helpers: req.handlebars.helpers, config: req.app.config, session: req.session }); }); // show an individual product router.get('/product/:id', (req, res) => { const db = req.app.db; const config = req.app.config; db.products.findOne({ $or: [{ _id: getId(req.params.id) }, { productPermalink: req.params.id }] }, (err, result) => { // render 404 if page is not published if(err){ res.render('error', { title: 'Not found', message: 'Product not found', helpers: req.handlebars.helpers, config }); } if(err || result == null || result.productPublished === 'false'){ res.render('error', { title: 'Not found', message: 'Product not found', helpers: req.handlebars.helpers, config }); }else{ const productOptions = result.productOptions; // If JSON query param return json instead if(req.query.json === 'true'){ res.status(200).json(result); return; } // show the view getImages(result._id, req, res, async (images) => { res.render(`${config.themeViews}product`, { title: result.productTitle, result: result, productOptions: productOptions, images: images, productDescription: result.productDescription, metaDescription: config.cartTitle + ' - ' + result.productTitle, pageCloseBtn: showCartCloseBtn('product'), 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)) }); }); } }); }); // Updates a single product quantity router.post('/product/updatecart', (req, res, next) => { const db = req.app.db; const config = req.app.config; const cartItems = JSON.parse(req.body.items); let hasError = false; let stockError = false; async.eachSeries(cartItems, (cartItem, callback) => { const productQuantity = cartItem.itemQuantity ? cartItem.itemQuantity : 1; if(cartItem.itemQuantity === 0){ // quantity equals zero so we remove the item req.session.cart.splice(cartItem.cartIndex, 1); callback(null); }else{ db.products.findOne({ _id: getId(cartItem.productId) }, (err, product) => { if(err){ console.error(colors.red('Error updating cart', err)); } if(product){ // If stock management on check there is sufficient stock for this product if(config.trackStock){ if(productQuantity > product.productStock){ hasError = true; stockError = true; callback(null); return; } } const productPrice = parseFloat(product.productPrice).toFixed(2); if(req.session.cart[cartItem.cartIndex]){ req.session.cart[cartItem.cartIndex].quantity = productQuantity; req.session.cart[cartItem.cartIndex].totalItemPrice = productPrice * productQuantity; callback(null); } }else{ hasError = true; callback(null); } }); } }, async () => { // update total cart amount updateTotalCartAmount(req, res); // Update cart to the DB await db.cart.update({ sessionId: req.session.id }, { $set: { cart: req.session.cart } }); // show response if(hasError === false){ res.status(200).json({ message: 'Cart successfully updated', totalCartItems: Object.keys(req.session.cart).length }); }else{ if(stockError){ res.status(400).json({ message: 'There is insufficient stock of this product.', totalCartItems: Object.keys(req.session.cart).length }); }else{ res.status(400).json({ message: 'There was an error updating the cart', totalCartItems: Object.keys(req.session.cart).length }); } } }); }); // Remove single product from cart router.post('/product/removefromcart', (req, res, next) => { const db = req.app.db; let itemRemoved = false; // remove item from cart async.each(req.session.cart, (item, callback) => { if(item){ if(item.productId === req.body.cartId){ itemRemoved = true; req.session.cart = _.pull(req.session.cart, item); } } callback(); }, async () => { // Update cart in DB await db.cart.update({ sessionId: req.session.id }, { $set: { cart: req.session.cart } }); // update total cart amount updateTotalCartAmount(req, res); if(itemRemoved === false){ return res.status(400).json({ message: 'Product not found in cart' }); } 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) => { const db = req.app.db; // Remove from session delete req.session.cart; delete req.session.orderId; // Remove cart from DB await db.cart.removeOne({ sessionId: req.session.id }); // update total cart amount updateTotalCartAmount(req, res); res.status(200).json({ message: 'Cart successfully emptied', totalCartItems: 0 }); }); // Add item to cart router.post('/product/addtocart', (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; // Don't allow negative quantity if(productQuantity < 0){ productQuantity = 1; } // setup cart object if it doesn't exist if(!req.session.cart){ req.session.cart = []; } // Get the item from the DB db.products.findOne({ _id: getId(req.body.productId) }, async (err, product) => { if(err){ console.error(colors.red('Error adding to cart', err)); return res.status(400).json({ message: 'Error updating cart. Please try again.' }); } // No product found if(!product){ return res.status(400).json({ message: 'Error updating cart. Please try again.' }); } // If stock management on check there is sufficient stock for this product if(config.trackStock && product.productStock){ 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); // Doc used to test if existing in the cart with the options. If not found, we add new. let options = {}; if(req.body.productOptions){ options = JSON.parse(req.body.productOptions); } const findDoc = { productId: req.body.productId, options: options }; // if exists we add to the existing value const cartIndex = _.findIndex(req.session.cart, findDoc); let cartQuantity = 0; if(cartIndex > -1){ cartQuantity = parseInt(req.session.cart[cartIndex].quantity) + productQuantity; req.session.cart[cartIndex].quantity = cartQuantity; req.session.cart[cartIndex].totalItemPrice = productPrice * parseInt(req.session.cart[cartIndex].quantity); }else{ // Doesnt exist so we add to the cart session req.session.cartTotalItems = req.session.cartTotalItems + productQuantity; // Set the card quantity cartQuantity = productQuantity; // new product deets const productObj = {}; productObj.productId = req.body.productId; productObj.title = product.productTitle; productObj.quantity = productQuantity; productObj.totalItemPrice = productPrice * productQuantity; productObj.options = options; productObj.productImage = product.productImage; productObj.productComment = productComment; if(product.productPermalink){ productObj.link = product.productPermalink; }else{ productObj.link = product._id; } // merge into the current cart req.session.cart.push(productObj); } // Update cart to the DB await db.cart.update({ sessionId: req.session.id }, { $set: { cart: req.session.cart } }, { upsert: true }); // update total cart amount updateTotalCartAmount(req, res); // update how many products in the shopping cart req.session.cartTotalItems = req.session.cart.reduce((a, b) => +a + +b.quantity, 0); return res.status(200).json({ message: 'Cart successfully updated', totalCartItems: req.session.cartTotalItems }); }); }); // 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, pageCloseBtn: showCartCloseBtn('search'), 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', results: results.data, filtered: true, session: req.session, searchTerm: searchTerm, metaDescription: req.app.config.cartTitle + ' - Category: ' + searchTerm, pageCloseBtn: showCartCloseBtn('category'), 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)); }); }); // 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(`${config.themeViews}index`, { title: 'Shop', results: results.data, session: req.session, message: clearSessionValue(req.session, 'message'), messageType: clearSessionValue(req.session, 'messageType'), metaDescription: req.app.config.cartTitle + ' - Products page: ' + req.params.pageNum, pageCloseBtn: showCartCloseBtn('page'), config: req.app.config, productsPerPage: numberProducts, totalProductCount: results.totalProducts, pageNum: req.params.pageNum, paginateUrl: 'page', helpers: req.handlebars.helpers, showFooter: 'showFooter', menu: sortMenu(menu) }); }) .catch((err) => { console.error(colors.red('Error getting products for page', err)); }); }); // The main entry point of the shop router.get('/:page?', (req, res, next) => { const db = req.app.db; const config = req.app.config; const numberProducts = config.productsPerPage ? config.productsPerPage : 6; // if no page is specified, just render page 1 of the cart if(!req.params.page){ Promise.all([ getData(req, 1, {}), getMenu(db) ]) .then(([results, menu]) => { // If JSON query param return json instead if(req.query.json === 'true'){ res.status(200).json(results.data); return; } res.render(`${config.themeViews}index`, { title: `${config.cartTitle} - Shop`, theme: config.theme, results: results.data, session: req.session, message: clearSessionValue(req.session, 'message'), messageType: clearSessionValue(req.session, 'messageType'), pageCloseBtn: showCartCloseBtn('page'), config: req.app.config, productsPerPage: numberProducts, totalProductCount: results.totalProducts, pageNum: 1, paginateUrl: 'page', helpers: req.handlebars.helpers, showFooter: 'showFooter', menu: sortMenu(menu) }); }) .catch((err) => { console.error(colors.red('Error getting products for page', err)); }); }else{ if(req.params.page === 'admin'){ next(); return; } // lets look for a page db.pages.findOne({ pageSlug: req.params.page, pageEnabled: 'true' }, async (err, page) => { if(err){ console.error(colors.red('Error getting page', err)); } // if we have a page lets render it, else throw 404 if(page){ res.render(`${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'), pageCloseBtn: showCartCloseBtn('page'), 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;