From 18d9b7e4f2fa7a5241515611351f98d5d52678f4 Mon Sep 17 00:00:00 2001 From: Hamed Razizadeh Date: Wed, 18 Feb 2026 17:06:10 +0100 Subject: [PATCH] Reading List Manager --- reading-list-manager/.gitignore | 1 + reading-list-manager/.prettierrc | 4 + reading-list-manager/app.js | 46 ++++++++--- reading-list-manager/books.json | 38 ++++++++- reading-list-manager/package-lock.json | 105 +++++++++++++++++++++++++ reading-list-manager/package.json | 19 +++++ reading-list-manager/readingList.js | 100 +++++++++++++++++------ 7 files changed, 278 insertions(+), 35 deletions(-) create mode 100644 reading-list-manager/.gitignore create mode 100644 reading-list-manager/.prettierrc create mode 100644 reading-list-manager/package-lock.json create mode 100644 reading-list-manager/package.json diff --git a/reading-list-manager/.gitignore b/reading-list-manager/.gitignore new file mode 100644 index 0000000..c2658d7 --- /dev/null +++ b/reading-list-manager/.gitignore @@ -0,0 +1 @@ +node_modules/ diff --git a/reading-list-manager/.prettierrc b/reading-list-manager/.prettierrc new file mode 100644 index 0000000..a530e69 --- /dev/null +++ b/reading-list-manager/.prettierrc @@ -0,0 +1,4 @@ +{ + "singleQuote": true, + "semi": true +} diff --git a/reading-list-manager/app.js b/reading-list-manager/app.js index b0365ef..3c4a675 100644 --- a/reading-list-manager/app.js +++ b/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('šŸ“š MY READING LIST šŸ“š\n'); -// Your implementation here +readingList.printAllBooks(); + +readingList.printSummary(); + +const fantasyBooks = readingList.getBooksByGenre('Fantasy'); +if (fantasyBooks.length > 0) { + console.log('\nšŸ“š Filter: Fantasy genre šŸ“š'); + fantasyBooks.forEach((book, index) => { + const status = book.read ? 'āœ“ Read' : 'āš  Unread'; + console.log( + `${index + 1}. ${book.title} by ${book.author} (${book.genre}) ${status}`, + ); + }); +} + +const unreadBooks = readingList.getUnreadBooks(); +if (unreadBooks.length > 0) { + console.log('\nšŸ“š Filter: Unread books šŸ“š'); + unreadBooks.forEach((book, index) => { + console.log( + `${index + 1}. ${book.title} by ${book.author} (${book.genre}) āš  Unread`, + ); + }); +} + +if (unreadBooks.length > 0) { + const bookToMark = unreadBooks[0]; + readingList.markAsRead(bookToMark.id); + + console.log( + `\nMarked as read: ${bookToMark.title} by ${bookToMark.author} āœ“`, + ); +} + +readingList.printSummary(); diff --git a/reading-list-manager/books.json b/reading-list-manager/books.json index 0637a08..f37a498 100644 --- a/reading-list-manager/books.json +++ b/reading-list-manager/books.json @@ -1 +1,37 @@ -[] \ No newline at end of file +[ + { + "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 + } +] diff --git a/reading-list-manager/package-lock.json b/reading-list-manager/package-lock.json new file mode 100644 index 0000000..b0215d4 --- /dev/null +++ b/reading-list-manager/package-lock.json @@ -0,0 +1,105 @@ +{ + "name": "reading-list-manager", + "version": "1.0.0", + "lockfileVersion": 3, + "requires": true, + "packages": { + "": { + "name": "reading-list-manager", + "version": "1.0.0", + "license": "ISC", + "dependencies": { + "chalk": "^4.1.2" + }, + "devDependencies": { + "prettier": "^3.8.1" + } + }, + "node_modules/ansi-styles": { + "version": "4.3.0", + "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.3.0.tgz", + "integrity": "sha512-zbB9rCJAT1rbjiVDb2hqKFHNYLxgtk8NURxZ3IZwD3F6NtxbXZQCnnSi1Lkx+IDohdPlFp222wVALIheZJQSEg==", + "license": "MIT", + "dependencies": { + "color-convert": "^2.0.1" + }, + "engines": { + "node": ">=8" + }, + "funding": { + "url": "https://github.com/chalk/ansi-styles?sponsor=1" + } + }, + "node_modules/chalk": { + "version": "4.1.2", + "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.2.tgz", + "integrity": "sha512-oKnbhFyRIXpUuez8iBMmyEa4nbj4IOQyuhc/wy9kY7/WVPcwIO9VA668Pu8RkO7+0G76SLROeyw9CpQ061i4mA==", + "license": "MIT", + "dependencies": { + "ansi-styles": "^4.1.0", + "supports-color": "^7.1.0" + }, + "engines": { + "node": ">=10" + }, + "funding": { + "url": "https://github.com/chalk/chalk?sponsor=1" + } + }, + "node_modules/color-convert": { + "version": "2.0.1", + "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-2.0.1.tgz", + "integrity": "sha512-RRECPsj7iu/xb5oKYcsFHSppFNnsj/52OVTRKb4zP5onXwVF3zVmmToNcOfGC+CRDpfK/U584fMg38ZHCaElKQ==", + "license": "MIT", + "dependencies": { + "color-name": "~1.1.4" + }, + "engines": { + "node": ">=7.0.0" + } + }, + "node_modules/color-name": { + "version": "1.1.4", + "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.4.tgz", + "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==", + "license": "MIT" + }, + "node_modules/has-flag": { + "version": "4.0.0", + "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-4.0.0.tgz", + "integrity": "sha512-EykJT/Q1KjTWctppgIAgfSO0tKVuZUjhgMr17kqTumMl6Afv3EISleU7qZUzoXDFTAHTDC4NOoG/ZxU3EvlMPQ==", + "license": "MIT", + "engines": { + "node": ">=8" + } + }, + "node_modules/prettier": { + "version": "3.8.1", + "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.8.1.tgz", + "integrity": "sha512-UOnG6LftzbdaHZcKoPFtOcCKztrQ57WkHDeRD9t/PTQtmT0NHSeWWepj6pS0z/N7+08BHFDQVUrfmfMRcZwbMg==", + "dev": true, + "license": "MIT", + "bin": { + "prettier": "bin/prettier.cjs" + }, + "engines": { + "node": ">=14" + }, + "funding": { + "url": "https://github.com/prettier/prettier?sponsor=1" + } + }, + "node_modules/supports-color": { + "version": "7.2.0", + "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz", + "integrity": "sha512-qpCAvRl9stuOHveKsn7HncJRvv501qIacKzQlO/+Lwxc9+0q2wLyv4Dfvt80/DPn2pqOBsJdDiogXGR9+OvwRw==", + "license": "MIT", + "dependencies": { + "has-flag": "^4.0.0" + }, + "engines": { + "node": ">=8" + } + } + } +} diff --git a/reading-list-manager/package.json b/reading-list-manager/package.json new file mode 100644 index 0000000..dc7b4a1 --- /dev/null +++ b/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" + } +} diff --git a/reading-list-manager/readingList.js b/reading-list-manager/readingList.js index 84febab..bc63a37 100644 --- a/reading-list-manager/readingList.js +++ b/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('āœ“ Read') : chalk.yellow('āš  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 -} \ No newline at end of file + const books = loadBooks(); + const total = books.length; + const readCount = books.filter((b) => b.read).length; + const unreadCount = total - readCount; + console.log('\nšŸ“Š SUMMARY šŸ“Š'); + 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, +};