Bugfix/list all books

controllers/books.js

@@ -1,44 +1,66 @@
 import { v4 as uuidv4 } from 'uuid';
-let books = []
+import fs from 'fs';
 
 export const getBooks = (req, res) => {
-      res.send(books);
+	const books  = JSON.parse(fs.readFileSync('./data/books.json'));
+	res.send(books);
 }
 
 export const createBook = (req, res) => {
-      const book = req.body;
-      books.push({ ...book, id: uuidv4()});
-      res.send(`Book with the name ${book.bookTitle} added to the database!`);
-}
+	let books =  [...JSON.parse(fs.readFileSync('./data/books.json'))]
+	const book = req.body;
+	books.push({ ...book, id: uuidv4()});
+	fs.writeFileSync('./data/books.json', JSON.stringify(books), 'utf-8')
+	res.send(`Book with the name ${book.bookTitle} added to the database!`)
+  }
 
 export const getBook = (req, res) => {
-      const { id } = req.params;
-      const foundBook = books.find(book => book.id ==id);
-      res.send(foundBook);
+	const books  = JSON.parse(fs.readFileSync('./data/books.json'));
+	const { id } = req.params;
+	const foundBook = books.find(book => book.id ==id);
+	res.send(foundBook);
 }
 
 export const updateBook =  (req, res) => {
-      const { id } = req.params;
-      const {bookTitle, authorName, numberOfPages, price } = req.body;
-      const book = books.find((book) => book.id == id);
-
-      if(bookTitle) {
-         book.bookTitle = bookTitle;
-      }
-      if(authorName){
-         book.authorName = authorName;
-      }
-      if(numberOfPages){
-         book.numberOfPages = numberOfPages;
-      }
-      if(price){
-         book.price = price;
-      }
-      res.send(`Book with the id ${id} has been updated.`);
+	// get all books
+	let books =  [...JSON.parse(fs.readFileSync('./data/books.json'))]
+	// get update id
+	const { id } = req.params;
+	// get update payload
+	const {bookTitle, authorName, numberOfPages, price } = req.body;
+
+	// find books
+	const book = books.find((book) => book.id == id);
+	console.log(book);
+	// update payload
+	bookTitle ? book.bookTitle = bookTitle: null;
+	authorName ? book.authorName = authorName: null;
+	numberOfPages ? book.numberOfPages = numberOfPages : null;
+	price ? book.price = price: null;
+
+	console.log(book);
+	// get new array
+	const newBooks = books.filter((book)=>book.id != id)
+	console.log(newBooks);
+	// write  new file
+	const savedArray = [...newBooks,book]
+	console.log(savedArray);
+	fs.writeFileSync('./data/books.json', JSON.stringify(savedArray), 'utf-8')
+
+	res.send(`Book with the id ${id} has been updated.`);
 }
 export const deleteBook = (req, res) => {  
-      const { id } = req.params;
-      books = books.filter((book) => book.id !== id);
-      res.send(`Book with the id ${id} deleted from the database.`); 
+	// get all books
+	let books =  [...JSON.parse(fs.readFileSync('./data/books.json'))]
+	// get update id
+	const { id } = req.params;
+	// get new array
+	const newBooks = books.filter((book) => book.id !== id);
+	console.log(newBooks);
+	fs.writeFileSync('./data/books.json', JSON.stringify(newBooks), 'utf-8')
+
+	res.send(`Book with the id ${id} deleted from the database.`); 
 }
-
+
+
+

data/books.json

@@ -1,22 +1,3 @@
-[{
-  "bookTitle": "JS Fundamentals",
-  "authorName": "John Doe",
-  "numberOfPages": "300",
-  "price": "$20",
-  "ratings": "5 star"
-
-},
-{
-  "bookTitle": "Modern JavaScript",
-  "authorName": "Jane Doe",
-  "numberOfPages": "400",
-  "price": "$30",
-  "ratings": "5 star"
-},
-{
-  "bookTitle": "Advanced JavaScript",
-  "authorName": "Jonny Doe",
-  "numberOfPages": "400",
-  "price": "$35",
-  "ratings": "5 star"
-}]
+[{"bookTitle":"JS Fundamentals","authorName":"John Doe","numberOfPages":"300","price":"$20","ratings":"5 star","id":"df5fac54-6bf0-421c-a476-df5405fdac3f"},
+{"bookTitle":"Advanced JavaScript","authorName":"Jonny Doe","numberOfPages":"400","price":"$35","ratings":"5 star","id":"aad84636-c92c-4ee4-9f36-9e20103dc3d1"},
+{"bookTitle":"Modern JavaScript","authorName":"Jane Doe","numberOfPages":"500","price":"$30","ratings":"5 star","id":"e434d1f3-e2b3-4199-808e-bae71626d21d"}]

index.js

@@ -2,6 +2,7 @@ import express  from 'express';
 import  bodyParser from 'body-parser';
 import routes from './routes/books.js'
 
+
 const app = express();
 const PORT = 5000;