From 0051255bf9f85b913b69db9ba22f41c2642db68a Mon Sep 17 00:00:00 2001
From: bvijayalakshmi7711
 <149994121+bvijayalakshmi7711@users.noreply.github.com>
Date: Fri, 1 Aug 2025 11:10:32 +0530
Subject: [PATCH] Update general.js

---
 final_project/router/general.js | 72 +++++++++++++++++++++++++--------
 1 file changed, 56 insertions(+), 16 deletions(-)

diff --git a/final_project/router/general.js b/final_project/router/general.js
index 9eb0ac1a91..128ea0e4e9 100644
--- a/final_project/router/general.js
+++ b/final_project/router/general.js
@@ -11,33 +11,73 @@ public_users.post("/register", (req,res) => {
 });
 
 // Get the book list available in the shop
-public_users.get('/',function (req, res) {
-  //Write your code here
-  return res.status(300).json({message: "Yet to be implemented"});
+const books = require('./booksdb.js');
+
+public_users.get('/', function (req, res) {
+  return res.status(200).send(JSON.stringify(books, null, 4));
 });
 
 // Get book details based on ISBN
-public_users.get('/isbn/:isbn',function (req, res) {
-  //Write your code here
-  return res.status(300).json({message: "Yet to be implemented"});
- });
+public_users.get('/isbn/:isbn', function (req, res) {
+  const isbn = req.params.isbn;
+  const book = books[isbn];
+  if (book) {
+    return res.status(200).send(book);
+  } else {
+    return res.status(404).send("Book not found");
+  }
+});
+
   
 // Get book details based on author
-public_users.get('/author/:author',function (req, res) {
-  //Write your code here
-  return res.status(300).json({message: "Yet to be implemented"});
+public_users.get('/author/:author', function (req, res) {
+  const author = req.params.author;
+  const matchingBooks = [];
+
+  for (let isbn in books) {
+    if (books[isbn].author === author) {
+      matchingBooks.push(books[isbn]);
+    }
+  }
+
+  if (matchingBooks.length > 0) {
+    return res.status(200).send(matchingBooks);
+  } else {
+    return res.status(404).send("No books found by this author");
+  }
 });
 
+
 // Get all books based on title
-public_users.get('/title/:title',function (req, res) {
-  //Write your code here
-  return res.status(300).json({message: "Yet to be implemented"});
+public_users.get('/title/:title', function (req, res) {
+  const title = req.params.title;
+  const matchingBooks = [];
+
+  for (let isbn in books) {
+    if (books[isbn].title === title) {
+      matchingBooks.push(books[isbn]);
+    }
+  }
+
+  if (matchingBooks.length > 0) {
+    return res.status(200).send(matchingBooks);
+  } else {
+    return res.status(404).send("No books found with this title");
+  }
 });
 
+
 //  Get book review
-public_users.get('/review/:isbn',function (req, res) {
-  //Write your code here
-  return res.status(300).json({message: "Yet to be implemented"});
+public_users.get('/review/:isbn', function (req, res) {
+  const isbn = req.params.isbn;
+  const book = books[isbn];
+
+  if (book && book.reviews) {
+    return res.status(200).send(book.reviews);
+  } else {
+    return res.status(404).send("No reviews found for this book");
+  }
 });
 
+
 module.exports.general = public_users;