Created learning.txt

backend/config.js

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+export const PORT = 5555;
+
+export const mongoDBURL =
+'mongodb+srv://root:[email protected]/books?retryWrites=true&w=majority&appName=Cluster0';

backend/index.js

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+import express, { response } from "express";
+import { PORT, mongoDBURL } from "./config.js";
+import mongoose from "mongoose";
+import { Book } from "./models/bookModel.js";
+
+const app = express();
+
+app.use(express.json());
+
+app.get('/',(request, response) => {
+    console.log(request)
+    return response.status(234).send('Welcome To MERN Stack Tutorial')
+});
+
+// Route for Save a new Book
+app.post('/books', async (request, response) => {
+    try {
+        if(
+            !request.body.title||
+            !request.body.author||
+            !request.body.publishYear
+        ){}
+        const newBook = {
+            title: request.body.title,
+            author: request.body.author,
+            publishYear: request.body.publishYear,
+        };
+
+        const book = await Book.create(newBook);
+
+        return response.status(201).send(book);
+    } catch (error) {
+        console.log(error.message);
+        response.status(500).send({ message: error.message });
+    }
+});
+
+// Route for Get All Books from database
+app.get('/books', async (request, response) => {
+    try {
+        const books = await Book.find({});
+        return response.status(200).json(books);
+    } catch (error) {
+        console.log(error.message);
+        response.status(500).send({ message: error.message});
+
+    }
+});
+
+mongoose
+    .connect(mongoDBURL)
+    .then(() => {
+        console.log('App connected to database');
+        app.listen(PORT, () => {
+            console.log(`App is listening to port: ${PORT}`);
+        });
+    })
+    .catch((error) => {
+        console.log(error);
+    });

backend/models/bookModel.js

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+import mongoose from "mongoose";
+
+const bookSchema = mongoose.Schema(
+    {
+        title: {
+            type: String,
+            required: true,
+        },
+        author: {
+            type: String,
+            required: true,
+        },
+        publishYear: {
+            type: Number,
+            required: true,
+        },
+    },
+    {
+        timestamps: true,
+    }
+);
+
+export const Book = mongoose.model('Book', bookSchema);