45 lines
1.2 KiB
JavaScript
45 lines
1.2 KiB
JavaScript
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const express = require('express');
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const router = express.Router();
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router.get('/', function(req, res, next) {
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res.setHeader('Content-Type', 'text/html');
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// If the product list isn't set in the session,
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// create a new list.
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let productList = false;
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if (!req.session.productList) {
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productList = [];
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} else {
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productList = req.session.productList;
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}
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// Add new product selected
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// Get product information
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let id = false;
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let name = false;
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let price = false;
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if (req.query.id && req.query.name && req.query.price) {
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id = req.query.id;
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name = req.query.name;
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price = req.query.price;
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} else {
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res.redirect("/listprod");
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}
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// Update quantity if add same item to order again
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if (productList.some(p => p.id == id)) {
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productList = productList.map(p => (p.id == id ? {...p, quantity: p.quantity + 1} : p));
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} else {
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productList.push({
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"id": id,
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"name": name,
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"price": price,
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"quantity": 1
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});
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}
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req.session.productList = productList;
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res.redirect("/showcart");
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});
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module.exports = router;
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