Saved a new book with mongoose

backend/index.js

@@ -1,16 +1,46 @@
 import express from "express";
 import { PORT, mongoDBURL } from "./config.js";
 import mongoose from "mongoose";
+import { Book } from "./models/bookModel.js";
 
 const app = express();
 
+// Middleware for parsing JSON request body
+app.use(express.json());
+
 app.get("/", (request, response) => {
   console.log(request);
   return response
     .status(200)
     .send("Welcome to the MERN stack project, Bibliomania!");
 });
 
+// Route for saving a new book
+app.post("/books", async (request, response) => {
+  try {
+    if (
+      !request.body.title ||
+      !request.body.author ||
+      !request.body.publishYear
+    ) {
+      return response.status(404).send({
+        message: "Please send all required fields: title, author, 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 });
+  }
+});
+
 mongoose
   .connect(mongoDBURL)
   .then(() => {

backend/package.json

@@ -14,6 +14,7 @@
   "dependencies": {
     "express": "^4.18.2",
     "mongoose": "^8.0.2",
-    "nodemon": "^3.0.1"
+    "nodemon": "^3.0.1",
+    "punycode": "^2.3.1"
   }
 }