Node 5

.env

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+PORT=8080
+MONGO_PASSWORD=Haiderali_560

controller/product.js

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+const model = require('../model/product')
+
+console.log(model.Product);
+const Product = model.Product;
+
+exports.createProduct = async (req, res) => {
+  try {
+    const product = new Product(req.body);
+    const dbResponse = await product.save();
+    res.status(201).json(dbResponse);
+  }
+  catch (error) {
+    res.status(201).json(error);
+  }
+}
+
+exports.getAllProducts = async (req, res) => {
+  try {
+    const dbResponse = await Product.find();
+    res.status(201).json(dbResponse);
+  }
+  catch (error) {
+    res.status(201).json(error);
+  }
+};
+
+exports.getProduct = async (req, res) => {
+  try {
+    const id = req.params.id;
+    const dbResponse = await Product.findById(id);
+    res.status(201).json(dbResponse);
+  }
+  catch (error) {
+    res.status(201).json(error);
+  }
+};
+
+exports.replaceProduct = async (req, res) => {
+  try {
+    const id = req.params.id;
+    const dbResponse = await Product.findOneAndReplace({ _id: id }, req.body, { new: true });
+    res.status(201).json(dbResponse);
+  }
+  catch (error) {
+    res.status(400).json(error);
+  }
+};
+
+exports.updateProduct = async (req, res) => {
+  try {
+    const id = req.params.id;
+    const dbResponse = await Product.findOneAndUpdate({ _id: id }, req.body, { new: true });
+    res.status(201).json(dbResponse);
+  }
+  catch (error) {
+    res.status(400).json(error);
+  }
+};
+
+exports.deleteProduct = async (req, res) => {
+  try {
+    const id = req.params.id;
+    const dbResponse = await Product.findOneAndDelete({ _id: id });
+    res.status(201).json(dbResponse);
+  }
+  catch (error) {
+    res.status(400).json(error);
+  }
+};

controller/user.js

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+const fs = require('fs');
+// const index = fs.readFileSync('index.html', 'utf-8');
+const data = JSON.parse(fs.readFileSync('data.json', 'utf-8'));
+const users = data.users;
+
+exports.createUser = (req, res) => {
+  console.log(req.body);
+  users.push(req.body);
+  res.status(201).json(req.body);
+};
+
+exports.getAllUsers = (req, res) => {
+  res.json(users);
+};
+
+exports.getUser = (req, res) => {
+  const id = +req.params.id;
+  const user = users.find((p) => p.id === id);
+  res.json(user);
+};
+exports.replaceUser = (req, res) => {
+  const id = +req.params.id;
+  const userIndex = users.findIndex((p) => p.id === id);
+  users.splice(userIndex, 1, { ...req.body, id: id });
+  res.status(201).json();
+};
+exports.updateUser = (req, res) => {
+  const id = +req.params.id;
+  const userIndex = users.findIndex((p) => p.id === id);
+  const user = users[userIndex];
+  users.splice(userIndex, 1, { ...user, ...req.body });
+  res.status(201).json();
+};
+exports.deleteUser = (req, res) => {
+  const id = +req.params.id;
+  const userIndex = users.findIndex((p) => p.id === id);
+  const user = users[userIndex];
+  users.splice(userIndex, 1);
+  res.status(201).json(user);
+};