Netlify functions example

examples/ecommerce-netlify-functions/.config/development.js

@@ -2,5 +2,7 @@
 
 module.exports = Object.freeze({
   mongodbUri: 'mongodb://localhost:27017/ecommerce',
-  stripeSecretKey: 'YOUR STRIPE KEY HERE'
+  stripeSecretKey: 'YOUR STRIPE KEY HERE',
+  success_url: 'localhost:3000/success',
+  cancel_url: 'localhost:3000/cancel'
 });

examples/ecommerce-netlify-functions/.config/test.js

@@ -2,5 +2,8 @@
 
 module.exports = Object.freeze({
   mongodbUri: 'mongodb://localhost:27017/ecommerce_test',
-  stripeSecretKey: 'test'
+  stripeSecretKey: 'test',
+  success_url: 'localhost:3000/success',
+  cancel_url: 'localhost:3000/cancel'
+
 });

examples/ecommerce-netlify-functions/models.js

@@ -2,8 +2,9 @@
 const mongoose = require('mongoose');
 
 const productSchema = new mongoose.Schema({
-  productName: String,
-  productPrice: Number
+  name: String,
+  price: Number,
+  image: String
 });
 
 const Product = mongoose.model('Product', productSchema);

examples/ecommerce-netlify-functions/netlify/functions/addToCart.js

@@ -15,10 +15,12 @@ const handler = async(event) => {
       if (cart == null) {
         return { statusCode: 404, body: JSON.stringify({ message: 'Cart not found' }) };
       }
-
+      if(!Array.isArray(event.body.items)) {
+        return { statusCode: 500, body: JSON.stringify({ error: 'items is not an array' }) };
+      }
       for (const product of event.body.items) {
-        const exists = cart.items.find(item => item.productId.toString() === product.productId.toString());
-        if (!exists && products.find(p => product.productId.toString() === p._id.toString())) {
+        const exists = cart.items.find(item => item?.productId?.toString() === product?.productId?.toString());
+        if (!exists && products.find(p => product?.productId?.toString() === p?._id?.toString())) {
           cart.items.push(product);
           await cart.save();
         } else {

examples/ecommerce-netlify-functions/netlify/functions/checkout.js

@@ -1,7 +1,7 @@
 'use strict';
 
 const stripe = require('../../integrations/stripe')
-
+const config = require('../../.config');
 const { Cart, Order, Product } = require('../../models');
 const connect = require('../../connect');
 
@@ -19,19 +19,19 @@ const handler = async(event) => {
         price_data: {
           currency: 'usd',
           product_data: {
-            name: product.productName
+            name: product.name
           },
-          unit_amount: product.productPrice
+          unit_amount: product.price
         },
         quantity: cart.items[i].quantity
       });
-      total = total + (product.productPrice * cart.items[i].quantity);
+      total = total + (product.price * cart.items[i].quantity);
     }
     const session = await stripe.checkout.sessions.create({
       line_items: stripeProducts.line_items,
       mode: 'payment',
-      success_url: 'insert a url here',
-      cancel_url: 'insert a url here'
+      success_url: config.success_url,
+      cancel_url: config.cancel_url
     });
     const intent = await stripe.paymentIntents.retrieve(session.payment_intent);
     if (intent.status !== 'succeeded') {

examples/ecommerce-netlify-functions/seed.js

@@ -8,13 +8,27 @@ async function createProducts() {
   await mongoose.connect(config.mongodbUri);
 
   await Product.create({
-    productName: 'Dummy Product',
-    productPrice: 500
+    name: 'iPhone 12',
+    price: 500,
+    image: 'https://images.unsplash.com/photo-1611472173362-3f53dbd65d80'
   });
 
   await Product.create({
-    productName: 'Another Dummy Product',
-    productPrice: 600
+    name: 'iPhone SE',
+    price: 600,
+    image: 'https://images.unsplash.com/photo-1529618160092-2f8ccc8e087b'
+  });
+
+  await Product.create({
+    name: 'iPhone 12 Pro',
+    price: 700,
+    image: 'https://images.unsplash.com/photo-1603921326210-6edd2d60ca68'
+  });
+
+  await Product.create({
+    name: 'iPhone 11',
+    price: 800,
+    image: 'https://images.unsplash.com/photo-1574755393849-623942496936'
   });
 
   console.log('done');