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1 change: 1 addition & 0 deletions reading-list-manager/.gitignore
Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
node_modules/
5 changes: 5 additions & 0 deletions reading-list-manager/.prettierrc
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{
"semi": true,
"singleQuote": true,
"tabWidth": 2
}
31 changes: 30 additions & 1 deletion reading-list-manager/app.js
Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,36 @@
// 3. Show summary statistics
// 4. Add example of filtering by genre or read/unread status
// 5. Add example of marking a book as read
// Your implementation here

import {
printAllBooks,
printSummary,
addBook,
getUnreadBooks,
markAsRead,
} from './readingList.js';

console.log('📚 MY READING LIST 📚\n');

// Your implementation here
printAllBooks();
console.log('\n⚠️ UNREAD BOOKS:\n');
const unreadBooks = getUnreadBooks();

unreadBooks.forEach((book) => {
console.log(`- ${book.title} by ${book.author}`);
});
console.log('\n➕ Adding a new book...\n');

addBook({
id: Date.now(), // unique id
title: 'The Catcher in the Rye',
author: 'J.D. Salinger',
genre: 'Fiction',
read: false,
});

console.log('\n✅ Marking book with ID 1 as read...\n');

markAsRead(1);
printSummary();
45 changes: 44 additions & 1 deletion reading-list-manager/books.json
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@@ -1 +1,44 @@
[]
[
{
"id": 1,
"title": "1984",
"author": "George Orwell",
"genre": "Fiction",
"read": true
},
{
"id": 2,
"title": "Dune",
"author": "Frank Herbert",
"genre": "Sci-Fi",
"read": true
},
{
"id": 3,
"title": "The Hobbit",
"author": "J.R.R. Tolkien",
"genre": "Fantasy",
"read": false
},
{
"id": 4,
"title": "Sapiens",
"author": "Yuval Noah Harari",
"genre": "History",
"read": true
},
{
"id": 5,
"title": "Atomic Habits",
"author": "James Clear",
"genre": "Self-help",
"read": false
},
{
"id": 1771455250112,
"title": "The Catcher in the Rye",
"author": "J.D. Salinger",
"genre": "Fiction",
"read": false
}
]
105 changes: 105 additions & 0 deletions reading-list-manager/package-lock.json

Some generated files are not rendered by default. Learn more about how customized files appear on GitHub.

19 changes: 19 additions & 0 deletions reading-list-manager/package.json
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{
"name": "reading-list-manager",
"version": "1.0.0",
"description": "",
"main": "app.js",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1"
},
"keywords": [],
"author": "",
"license": "ISC",
"type": "module",
"dependencies": {
"chalk": "^4.1.2"
},
"devDependencies": {
"prettier": "^3.8.1"
}
}
88 changes: 77 additions & 11 deletions reading-list-manager/readingList.js
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@@ -1,53 +1,119 @@
// Place here the file operation functions for loading and saving books
import fs from 'fs';
import chalk from 'chalk';

function loadBooks() {
const filePath = './books.json';

export function loadBooks() {
// TODO: Implement this function
// Read from books.json
// Handle missing file (create empty array)
// Handle invalid JSON (notify user, use empty array)
// Use try-catch for error handling
try {
// ✅ If the file does not exist, return an empty array
if (!fs.existsSync(filePath)) {
console.log(
chalk.yellow('⚠ books.json not found. Starting with empty list.'),
);
return [];
}

const data = fs.readFileSync(filePath, 'utf-8');

return JSON.parse(data);
} catch (error) {
console.log(
chalk.red('❌ Error loading books. Invalid JSON or file issue.'),
);
return [];
}
}

function saveBooks(books) {
export function saveBooks(books) {
// TODO: Implement this function
// Write books array to books.json
// Use try-catch for error handling
try {
const jsonData = JSON.stringify(books, null, 2);

fs.writeFileSync(filePath, jsonData);

console.log(chalk.green('✅ Books saved successfully!'));
} catch (error) {
console.log(chalk.red('❌ Error saving books to file.'));
}
}

function addBook(book) {
export function addBook(book) {
// TODO: Implement this function
const books = loadBooks();
books.push(book);
saveBooks(books);
}

function getUnreadBooks() {
export function getUnreadBooks() {
// TODO: Implement this function using filter()
return loadBooks().filter((book) => book.read === false);
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Note that this will only match if the casing matches. I would've put everything lowercase for the check.

}

function getBooksByGenre(genre) {
export function getBooksByGenre(genre) {
// TODO: Implement this function using filter()
return loadBooks().filter((book) => book.genre === genre);
}

function markAsRead(id) {
export function markAsRead(id) {
// TODO: Implement this function using map()
const books = loadBooks();

const updated = books.map((book) =>
book.id === id ? { ...book, read: true } : book,
);

saveBooks(updated);
}

function getTotalBooks() {
export function getTotalBooks() {
// TODO: Implement this function using length
return loadBooks().length;
}

function hasUnreadBooks() {
export function hasUnreadBooks() {
// TODO: Implement this function using some()
return loadBooks().some((book) => book.read === false);
}

function printAllBooks() {
export function printAllBooks() {
// TODO: Implement this function
// Loop through and display with chalk
// Use green for read books, yellow for unread
// Use cyan for titles
const books = loadBooks();

console.log(chalk.bold('\n📚 MY READING LIST 📚\n'));

books.forEach((book) => {
const status = book.read ? chalk.green('✓ Read') : chalk.yellow('⚠ Unread');

console.log(
`${book.id}. ${chalk.cyan(book.title)} by ${book.author} (${book.genre}) ${status}`,
);
});
}

function printSummary() {
export function printSummary() {
// TODO: Implement this function
// Show statistics with chalk
// Display total books, read count, unread count
// Use bold for stats
}
const books = loadBooks();

const total = books.length;
const readCount = books.filter((b) => b.read).length;
const unreadCount = total - readCount;

console.log(chalk.bold('\n📊 SUMMARY 📊'));
console.log(chalk.bold(`Total Books: ${total}`));
console.log(chalk.green(`Read: ${readCount}`));
console.log(chalk.yellow(`Unread: ${unreadCount}\n`));
}