Add My Inventory project with frontend and backend

backend/.env

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+MONGO_URI=mongodb+srv://shayanqureshi2411:[email protected]/products?retryWrites=true&w=majority&appName=Cluster0
+PORT=5000

backend/config/db.js

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+import mongoose from "mongoose"
+
+
+export const ConnectDB = async() => {
+    try {
+        const conn= await mongoose.connect(process.env.MONGO_URI)
+        console.log(`MongoDB Connected ${conn.connection.host}`)
+    } catch (error) {
+        console.error(`Error : ${error.message}`);
+        process.exit(1);
+    }
+}

backend/controllers/productController.js

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+import mongoose from 'mongoose';
+import Product from "../models/productmodel.js"
+
+export const getProducts = async(req,res)=>{
+  try {
+    const allProducts = await Product.find({});
+    res.status(200).json({ success: true, data: allProducts });
+  } catch (error) {
+    console.error('Error fetching products:', error.message);
+    res.status(500).json({ success: false, message: "Server Error" });
+  }
+};
+
+export const createNewProduct= async(req, res)=>{
+  const product = req.body;
+
+  if (!product.name || !product.price || !product.image) {
+    return res.status(400).json({ success: false, message: "Please provide all required fields" });
+  }
+
+  const newProduct = new Product(product);
+
+  try {
+    await newProduct.save();
+    res.status(201).json({ success: true, data: newProduct });
+  } catch (error) {
+    console.error("Error creating product:", error.message);
+    res.status(500).json({ success: false, message: "Server Error" });
+  }
+};
+
+export const deleteProduct = async(req, res)=>{
+  const { id } = req.params;
+
+  if (!mongoose.Types.ObjectId.isValid(id)) {
+    return res.status(404).json({ success: false, message: "Invalid product ID" });
+  }
+
+  try {
+    const deletedProduct = await Product.findByIdAndDelete(id);
+    if (!deletedProduct) {
+      return res.status(404).json({ success: false, message: "Product not found" });
+    }
+    res.status(200).json({ success: true, message: "Product deleted" });
+  } catch (error) {
+    console.error("Error deleting product:", error.message);
+    res.status(500).json({ success: false, message: "Server Error" });
+  }
+};
+
+export const updateProduct = async(req, res)=>{
+  const { id } = req.params;
+  const product = req.body;
+
+  if (!mongoose.Types.ObjectId.isValid(id)) {
+    return res.status(400).json({ success: false, message: "Invalid product ID" });
+  }
+
+  try {
+    const updatedProduct = await Product.findByIdAndUpdate(id, product, { new: true });
+    if (!updatedProduct) {
+      return res.status(404).json({ success: false, message: "Product not found" });
+    }
+    res.status(200).json({ success: true, data: updatedProduct });
+  } catch (error) {
+    console.error("Error updating product:", error.message);
+    res.status(500).json({ success: false, message: "Server Error" });
+  }
+};

backend/index.js

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+import express from "express";
+import dotenv from "dotenv";
+import { ConnectDB } from "./config/db.js ";
+import cors from 'cors';
+
+import productRoutes from "./routes/productRoutes.js"  
+
+dotenv.config();
+const app = express();
+
+app.use(cors({ origin: 'http://localhost:5173' }));
+const PORT=process.env.PORT || 5000
+
+app.use(express.json());
+
+app.use('/api/products',productRoutes)
+
+app.listen(PORT, () => {
+  ConnectDB();
+  console.log("Server Started ! at http://localhost:"+PORT);
+});

backend/models/productmodel.js

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+import mongoose from "mongoose";
+
+const productSchema = new mongoose.Schema({
+    name :{
+        type: String,
+        required: true
+    },
+    price:{
+        type:Number,
+        required: true
+    },
+    image: {
+        type: String,
+        required: true
+    }
+},
+{timestamps: true})
+
+const Product = mongoose.model('Product',productSchema)
+
+export default Product;