added request body parsing and cors config

Author: Maximilian Schwarzmüller

api/routes/orders.js

@@ -9,8 +9,13 @@ router.get('/', (req, res, next) => {
 });
 
 router.post('/', (req, res, next) => {
+    const order = {
+        productId: req.body.productId,
+        quantity: req.body.quantity
+    };
     res.status(201).json({
-        message: 'Order was created'
+        message: 'Order was created',
+        order: order
     });
 });
 

api/routes/products.js

@@ -8,8 +8,13 @@ router.get('/', (req, res, next) => {
 });
 
 router.post('/', (req, res, next) => {
+    const product = {
+        name: req.body.name,
+        price: req.body.price
+    };
     res.status(201).json({
-        message: 'Handling POST requests to /products'
+        message: 'Handling POST requests to /products',
+        createdProduct: product
     });
 });
 

app.js

@@ -1,29 +1,45 @@
-const express = require('express');
+const express = require("express");
 const app = express();
-const morgan = require('morgan');
+const morgan = require("morgan");
+const bodyParser = require("body-parser");
 
-const productRoutes = require('./api/routes/products');
-const orderRoutes = require('./api/routes/orders');
+const productRoutes = require("./api/routes/products");
+const orderRoutes = require("./api/routes/orders");
 
-app.use(morgan('dev'));
+app.use(morgan("dev"));
+app.use(bodyParser.urlencoded({ extended: false }));
+app.use(bodyParser.json());
+
+app.use((req, res, next) => {
+  res.header("Access-Control-Allow-Origin", "*");
+  res.header(
+    "Access-Control-Allow-Headers",
+    "Origin, X-Requested-With, Content-Type, Accept, Authorization"
+  );
+  if (req.method === 'OPTIONS') {
+      res.header('Access-Control-Allow-Methods', 'PUT, POST, PATCH, DELETE, GET');
+      return res.status(200).json({});
+  }
+  next();
+});
 
 // Routes which should handle requests
-app.use('/products', productRoutes);
-app.use('/orders', orderRoutes);
+app.use("/products", productRoutes);
+app.use("/orders", orderRoutes);
 
 app.use((req, res, next) => {
-    const error = new Error('Not found');
-    error.status = 404;
-    next(error);
-})
+  const error = new Error("Not found");
+  error.status = 404;
+  next(error);
+});
 
 app.use((error, req, res, next) => {
-    res.status(error.status || 500);
-    res.json({
-        error: {
-            message: error.message
-        }
-    });
+  res.status(error.status || 500);
+  res.json({
+    error: {
+      message: error.message
+    }
+  });
 });
 
-module.exports = app;
+module.exports = app;

package.json

@@ -15,6 +15,7 @@
   "author": "Maximilian Schwarzmüller",
   "license": "ISC",
   "dependencies": {
+    "body-parser": "^1.18.2",
     "express": "^4.16.2",
     "morgan": "^1.9.0"
   },