├── .gitignore
├── package.json
├── routes
    └── product.route.js
├── Models
    └── product.model.js
├── index.js
└── controllers
    └── product.controller.js


/.gitignore:
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1 | node_modules


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/package.json:
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 1 | {
 2 |   "name": "curd",
 3 |   "version": "1.0.0",
 4 |   "description": "",
 5 |   "main": "index.js",
 6 |   "scripts": {
 7 |     "test": "echo \"Error: no test specified\" && exit 1",
 8 |     "start": "nodemon index.js"
 9 |   },
10 |   "keywords": [],
11 |   "author": "",
12 |   "license": "ISC",
13 |   "dependencies": {
14 |     "dotenv": "^16.4.5",
15 |     "express": "^4.21.0",
16 |     "mongodb": "^6.9.0",
17 |     "mongoose": "^8.7.0",
18 |     "nodemon": "^3.1.7"
19 |   }
20 | }
21 | 


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/routes/product.route.js:
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 1 | const express = require('express');
 2 | const router = express.Router();
 3 | const Product =require("../Models/product.model.js")
 4 | const { getProducts, getProduct, createProduct, updateProduct, deleteProduct } = require('../controllers/product.controller.js');
 5 | 
 6 | // Routes
 7 | router.get('/', getProducts);
 8 | router.get("/:id", getProduct);
 9 | router.post("/", createProduct);
10 | router.put("/:id", updateProduct);
11 | router.delete("/:id", deleteProduct);
12 | 
13 | module.exports = router;
14 | 


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/Models/product.model.js:
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 1 | const mongoose = require('mongoose');
 2 | 
 3 | const ProductSchema = new mongoose.Schema(
 4 |   {
 5 |     name: {
 6 |       type: String,
 7 |       required: [true, "Please enter Product name"],
 8 |     },
 9 |     quantity: {
10 |       type: Number,
11 |       default: 0,
12 |     },
13 |     price: {
14 |       type: Number,
15 |       default: 0,
16 |     },
17 |   },
18 |   {
19 |     timestamps: true,
20 |   }
21 | );
22 | 
23 | const Product = mongoose.model('Product', ProductSchema);
24 | 
25 | module.exports = Product;
26 | 


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/index.js:
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 1 | const express = require('express');
 2 | const app = express();
 3 | const mongoose = require('mongoose');
 4 | const productRoute = require('./routes/product.route.js');
 5 | 
 6 | // Middleware configuration
 7 | app.use(express.json());
 8 | 
 9 | // Route
10 | app.use("/api/products", productRoute);
11 | 
12 | app.get('/', (req, res) => {
13 |   res.send('Hello, Express! This is Kaleeswaran');
14 | });
15 | 
16 | app.listen(5000, () => {
17 |   console.log('Server is running on port 5000');
18 | });
19 | 
20 | // MongoDB Connection
21 | mongoose.connect("mongodb+srv://kalees:Password%402024@crud.y0g05.mongodb.net/?retryWrites=true&w=majority&appName=CRUD")
22 |   .then(() => {
23 |     console.log("Connected to MongoDB");
24 |   })
25 |   .catch((err) => {
26 |     console.error("Connection Failed", err);
27 |   });
28 | 


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/controllers/product.controller.js:
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 1 | const Product = require('../Models/product.model.js');
 2 | 
 3 | const getProducts = async (req, res) => {
 4 |     try {
 5 |         const products = await Product.find({});
 6 |         res.status(200).json(products);
 7 |     } catch (error) {
 8 |         res.status(500).json({ message: error.message });
 9 |     }
10 | };
11 | 
12 | const getProduct = async (req, res) => {
13 |     try {
14 |         const { id } = req.params;
15 |         const product = await Product.findById(id);
16 |         res.status(200).json(product);
17 |     } catch (error) {
18 |         res.status(500).json({ message: error.message });
19 |     }
20 | };
21 | 
22 | const createProduct = async (req, res) => {
23 |     try {
24 |         const product = await Product.create(req.body);
25 |         res.status(200).json(product);
26 |     } catch (error) {
27 |         res.status(500).json({ message: error.message });
28 |     }
29 | };
30 | 
31 | const updateProduct = async (req, res) => {
32 |     try {
33 |         const { id } = req.params;
34 |         const product = await Product.findByIdAndUpdate(id, req.body, { new: true });
35 | 
36 |         if (!product) {
37 |             return res.status(404).json({ message: "Product not found" });
38 |         }
39 |         
40 |         res.status(200).json(product);
41 |     } catch (error) {
42 |         res.status(500).json({ message: error.message });
43 |     }
44 | };
45 | 
46 | const deleteProduct = async (req, res) => {
47 |     try {
48 |         const { id } = req.params;
49 |         const product = await Product.findByIdAndDelete(id);
50 | 
51 |         if (!product) {
52 |             return res.status(404).json({ message: "Product not found" });
53 |         }
54 | 
55 |         res.status(200).json({ message: "Deleted successfully" });
56 |     } catch (error) {
57 |         res.status(500).json({ message: error.message });
58 |     }
59 | };
60 | 
61 | module.exports = {
62 |     getProducts,
63 |     getProduct,
64 |     createProduct,
65 |     updateProduct,
66 |     deleteProduct
67 | };
68 | 


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