Hamed R.

reading-list-manager/.gitignore

@@ -0,0 +1 @@
+node_modules/

reading-list-manager/.prettierrc

@@ -0,0 +1,4 @@
+{
+  "singleQuote": true,
+  "semi": true
+}

reading-list-manager/app.js

@@ -1,13 +1,39 @@
-// This is the entrypoint for your application.
-// node app.js
-
-// TODO: Implement the main application logic here
-// 1. Load books on startup
-// 2. Display all books
-// 3. Show summary statistics
-// 4. Add example of filtering by genre or read/unread status
-// 5. Add example of marking a book as read
+const readingList = require('./readingList');
 
 console.log('📚 MY READING LIST 📚\n');
 
-// Your implementation here
+readingList.printAllBooks();
+
+readingList.printSummary();
+
+const fantasyBooks = readingList.getBooksByGenre('Fantasy');
+if (fantasyBooks.length > 0) {
+  console.log('\n📚 Filter: Fantasy genre 📚');
+  fantasyBooks.forEach((book, index) => {
+    const status = book.read ? '✓ Read' : '⚠ Unread';
+    console.log(
+      `${index + 1}. ${book.title} by ${book.author} (${book.genre}) ${status}`,
+    );
+  });
+}
+
+const unreadBooks = readingList.getUnreadBooks();
+if (unreadBooks.length > 0) {
+  console.log('\n📚 Filter: Unread books 📚');
+  unreadBooks.forEach((book, index) => {
+    console.log(
+      `${index + 1}. ${book.title} by ${book.author} (${book.genre}) ⚠ Unread`,
+    );
+  });
+}
+
+if (unreadBooks.length > 0) {
+  const bookToMark = unreadBooks[0];
+  readingList.markAsRead(bookToMark.id);
+
+  console.log(
+    `\nMarked as read: ${bookToMark.title} by ${bookToMark.author} ✓`,
+  );
+}
+
+readingList.printSummary();

reading-list-manager/books.json

@@ -1 +1,37 @@
-[]
+[
+  {
+    "id": 1,
+    "title": "1984",
+    "author": "George Orwell",
+    "genre": "Fiction",
+    "read": true
+  },
+  {
+    "id": 2,
+    "title": "Sapiens",
+    "author": "Yuval Noah Harari",
+    "genre": "Non-Fiction",
+    "read": true
+  },
+  {
+    "id": 3,
+    "title": "The Hobbit",
+    "author": "J.R.R. Tolkien",
+    "genre": "Fantasy",
+    "read": false
+  },
+  {
+    "id": 4,
+    "title": "Clean Code",
+    "author": "Robert C. Martin",
+    "genre": "Programming",
+    "read": true
+  },
+  {
+    "id": 5,
+    "title": "Pride and Prejudice",
+    "author": "Jane Austen",
+    "genre": "Romance",
+    "read": false
+  }
+]

reading-list-manager/package.json

@@ -0,0 +1,19 @@
+{
+  "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": "commonjs",
+  "dependencies": {
+    "chalk": "^4.1.2"
+  },
+  "devDependencies": {
+    "prettier": "^3.8.1"
+  }
+}

reading-list-manager/readingList.js

@@ -1,53 +1,105 @@
-// Place here the file operation functions for loading and saving books
+const fs = require('fs');
+const chalk = require('chalk');
+
+const BOOKS_FILE = 'books.json';
+
+// File operations
 
 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 {
+    const dataBuffer = fs.readFileSync(BOOKS_FILE);
+    const dataJSON = dataBuffer.toString();
+    return JSON.parse(dataJSON);
+  } catch (e) {
+    if (e.code === 'ENOENT') {
+      return [];
+    } else {
+      console.log(chalk.red('Error reading books.json, using empty list'));
+      return [];
+    }
+  }
 }
 
 function saveBooks(books) {
-  // TODO: Implement this function
-  // Write books array to books.json
-  // Use try-catch for error handling
+  try {
+    fs.writeFileSync(BOOKS_FILE, JSON.stringify(books, null, 2));
+  } catch (e) {
+    console.log(chalk.red('Error saving books:', e.message));
+  }
 }
 
+// Array methods
+
 function addBook(book) {
-  // TODO: Implement this function
+  const books = loadBooks();
+  books.push(book);
+  saveBooks(books);
 }
 
 function getUnreadBooks() {
-  // TODO: Implement this function using filter()
+  return loadBooks().filter((book) => !book.read);
 }
 
 function getBooksByGenre(genre) {
-  // TODO: Implement this function using filter()
+  return loadBooks().filter(
+    (book) => book.genre.toLowerCase() === genre.toLowerCase(),
+  );
 }
 
 function markAsRead(id) {
-  // TODO: Implement this function using map()
+  const books = loadBooks();
+  const updatedBooks = books.map((book) => {
+    if (book.id === id) {
+      return { ...book, read: true };
+    }
+    return book;
+  });
+  saveBooks(updatedBooks);
 }
 
 function getTotalBooks() {
-  // TODO: Implement this function using length
+  return loadBooks().length;
 }
 
 function hasUnreadBooks() {
-  // TODO: Implement this function using some()
+  return loadBooks().some((book) => !book.read);
 }
 
+// Display functions
+
 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('All Books:');
+  books.forEach((book, index) => {
+    const status = book.read ? chalk.green('✓ Read') : chalk.yellow('⚠ Unread');
+    console.log(
+      `${index + 1}. ${chalk.cyan(book.title)} by ${book.author} (${book.genre}) ${status}`,
+    );
+  });
 }
 
 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('\n📊 SUMMARY 📊');
+  console.log(chalk.bold(`Total Books: ${total}`));
+  console.log(chalk.green(`Read: ${readCount}`));
+  console.log(chalk.yellow(`Unread: ${unreadCount}\n`));
+}
+
+// Export functions
+
+module.exports = {
+  loadBooks,
+  saveBooks,
+  addBook,
+  getUnreadBooks,
+  getBooksByGenre,
+  markAsRead,
+  getTotalBooks,
+  hasUnreadBooks,
+  printAllBooks,
+  printSummary,
+};