server.js

const express = require("express");
const bodyParser = require("body-parser");
const mongoose = require("mongoose");
const shortid = require("shortid");

const app = express();
app.use(bodyParser.json());

app.use("/", express.static(__dirname + "/build"));
app.get("/", (req, res) => res.sendFile(__dirname + "/build/index.html"));

mongoose.connect(process.env.MONGODB_URL || "mongodb://localhost/ecommerce-db", {
  useNewUrlParser: true,
  useCreateIndex: true,
  useUnifiedTopology: true,
});

const Product = mongoose.model("products", new mongoose.Schema({
    _id: { type: String, default: shortid.generate },
    title: String,
    description: String,
    image: String,
    price: Number,
    availableSizes: [String],
  })
);

app.get("/api/products", async (req, res) => {
  const products = await Product.find({});
  res.send(products);
});

app.post("/api/products", async (req, res) => {
  const newProduct = new Product(req.body);
  const savedProduct = await newProduct.save();
  res.send(savedProduct);
});

app.delete("/api/products/:id", async (req, res) => {
  const deletedProduct = await Product.findByIdAndDelete(req.params.id);
  res.send(deletedProduct);
});

const Order = mongoose.model("order", new mongoose.Schema(
    {
      _id: { type: String, default: shortid.generate },
      email: String,
      name: String,
      address: String,
      total: Number,
      cartItems: [{
          _id: String,
          title: String,
          price: Number,
          count: Number,
        }]
    },
    {
      timestamps: true,
    }
  ));
app.get("/api/orders", async (req, res) => {
  const orders = await Order.find({});
  res.send(orders);
})
app.post("/api/orders", async (req, res) => {
  if (
    !req.body.name ||
    !req.body.email ||
    !req.body.address ||
    !req.body.total ||
    !req.body.cartItems
  ) {
    return res.send({ message: "Data is required." });
  }
  const order = await Order(req.body).save();
  res.send(order);
});
app.delete("/api/orders/:id", async (req,res) => {
  const order = await Order.findByIdAndDelete(req.params.id);
  res.send(order);
})

const port = process.env.PORT || 5000;
app.listen(port, () => console.log("serve at http://localhost:5000"));