Diana C.

.prettierignore

@@ -0,0 +1 @@
+

.prettierrc

@@ -0,0 +1,9 @@
+
+{
+  "semi": true,
+  "singleQuote": true,
+  "tabWidth": 2,
+  "trailingComma": "es5",
+  "printWidth": 80
+}
+

package.json

@@ -0,0 +1,27 @@
+{
+  "devDependencies": {
+    "prettier": "^3.8.1"
+  },
+  "name": "c55-core-week-6",
+  "version": "1.0.0",
+  "description": "The week 6 assignment for the HackYourFuture Core program can be found at the following link: https://hub.hackyourfuture.nl/core-program-week-6-assignment",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/dianadenwik/c55-core-week-6.git"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "type": "module",
+  "bugs": {
+    "url": "https://github.com/dianadenwik/c55-core-week-6/issues"
+  },
+  "homepage": "https://github.com/dianadenwik/c55-core-week-6#readme",
+  "dependencies": {
+    "chalk": "^4.1.2"
+  }
+}

reading-list-manager/app.js

@@ -1,13 +1,37 @@
 // This is the entrypoint for your application.
 // node app.js
 
-// TODO: Implement the main application logic here
+// Your implementation here
+
+import chalk from 'chalk';
+
+import {
+  loadBooks,
+  printAllBooks,
+  printSummary,
+  getUnreadBooks,
+  getBooksByGenre,
+  markAsRead,
+  hasUnreadBooks,
+  addBook,
+} from './readingList.js';
+
 // 1. Load books on startup
+loadBooks();
+console.log('📚 MY READING LIST 📚\n');
+
 // 2. Display all books
+printAllBooks();
+
 // 3. Show summary statistics
-// 4. Add example of filtering by genre or read/unread status
-// 5. Add example of marking a book as read
+printSummary();
 
-console.log('📚 MY READING LIST 📚\n');
+// 4. 4. Add example of filtering by genre or read/unread status
+console.log(chalk.bold('\n📖 Unread Books:'));
+const unread = getUnreadBooks();
+console.log(unread);
+
+console.log(chalk.bold('\n🔍 Sci-Fi Books:'));
+const scifi = getBooksByGenre('Sci-Fi');
+console.log(scifi);
 
-// Your implementation here

reading-list-manager/books.json

@@ -1 +1,44 @@
-[]
+[
+  {
+    "id": 1,
+    "title": "1984",
+    "author": "George Orwell",
+    "genre": "Fiction",
+    "read": false
+  },
+  {
+    "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": true
+  },
+  {
+    "id": 4,
+    "title": "The Great Gatsby",
+    "author": "F. Scott Fitzgerald",
+    "genre": "Fiction",
+    "read": true
+  },
+  {
+    "id": 5,
+    "title": "Brave New World",
+    "author": "Aldous Huxley",
+    "genre": "Sci-Fi",
+    "read": false
+  },
+  {
+    "id": 6,
+    "title": "Harry Potter",
+    "author": "J.K. Rowling",
+    "genre": "Fantasy",
+    "read": true
+  }
+]

reading-list-manager/readingList.js

@@ -1,53 +1,123 @@
 // Place here the file operation functions for loading and saving books
+import fs from 'node:fs'      
+import path from 'node:path'  
+import chalk from 'chalk'     
+
+const dataDir = '.'   
+const BOOKS = path.join(dataDir, 'books.json')
+
+
+
 
 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 data = fs.readFileSync(BOOKS, 'utf-8')
+    return JSON.parse(data)
+  } catch (error) {
+    if (error.code === 'ENOENT') {
+      console.log('books.json not found. Starting with empty list.')
+      return []
+    }
+    if (error.name === "SyntaxError") {
+      console.log('Invalid JSON in books.json. Starting with empty list.')
+      return []
+    }
+    throw error
+  }
 }
 
+
+
 function saveBooks(books) {
-  // TODO: Implement this function
-  // Write books array to books.json
-  // Use try-catch for error handling
+  try {
+    fs.writeFileSync(BOOKS, JSON.stringify(books, null, 2))
+  } catch (error) {
+    console.log('Error saving books:', error.message)
+  }
 }
 
+
 function addBook(book) {
-  // TODO: Implement this function
+  const books = loadBooks()
+  books.push(book)
+  saveBooks(books)
 }
 
+
+
 function getUnreadBooks() {
-  // TODO: Implement this function using filter()
+  const books = loadBooks()
+  return books.filter((book) => book.read === false)
 }
 
 function getBooksByGenre(genre) {
-  // TODO: Implement this function using filter()
+  const books = loadBooks()
+  return books.filter((book) => book.genre === genre)
 }
 
+
 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
+  const books = loadBooks()
+  return books.length
 }
 
 function hasUnreadBooks() {
-  // TODO: Implement this function using some()
+  const books = loadBooks()
+  return books.some((book) => book.read === false)
 }
 
+
 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('\nAll Books:')
+  books.forEach((book) => {
+    const title = chalk.cyan(book.title)
+    const info = `${book.id}. ${title} by ${book.author} (${book.genre})`
+
+    if (book.read === true) {
+      console.log(chalk.green(info + ' ✓ Read'))
+    } else {
+      console.log(chalk.yellow(info + ' ⚠ Unread'))
+    }
+  })
 }
 
 function printSummary() {
-  // TODO: Implement this function
-  // Show statistics with chalk
-  // Display total books, read count, unread count
-  // Use bold for stats
+  const total = getTotalBooks()
+  const unread = getUnreadBooks().length
+  const read = total - unread
+
+  console.log(chalk.bold('\n📊 SUMMARY 📊'))
+  console.log(chalk.bold('Total Books: ' + total))
+  console.log(chalk.bold.green('Read: ' + read))
+  console.log(chalk.bold.yellow('Unread: ' + unread))
+}
+
+
+export {
+  loadBooks,
+  saveBooks,
+  addBook,
+  getUnreadBooks,
+  getBooksByGenre,
+  markAsRead,
+  getTotalBooks,
+  hasUnreadBooks,
+  printAllBooks,
+  printSummary
 }