Todo List Application

A full-featured Todo List web application built with Node.js, Express, MongoDB, and Passport.js for authentication.

Features

• User authentication (login/register)
• Create, read, update, and delete todo items
• Mark todos as complete/incomplete
• Delete all todos at once
• Secure password hashing
• Session management
• MongoDB database integration

Prerequisites

• Node.js (v12 or higher)
• MongoDB (local installation or MongoDB Atlas account)
• npm (Node Package Manager)

Installation

1. Clone the repository:

git clone <repository-url>
cd todolist

2. Install dependencies:

npm install

3. Create a .env file in the root directory with the following variables:

MONGODB_URI=your_mongodb_connection_string
SESSION_SECRET=your_session_secret
PORT=3000

Running the Application

1. Start MongoDB service on your machine
2. Run the application:

npm start

3. Open your browser and navigate to http://localhost:3000

Dependencies

• express: Web framework
• mongoose: MongoDB object modeling
• passport: Authentication middleware
• bcryptjs: Password hashing
• express-session: Session management
• connect-mongo: MongoDB session store
• ejs: Template engine
• body-parser: Request body parsing
• dotenv: Environment variable management

Project Structure

• app.js: Main application file
• public/: Static files (CSS, client-side JavaScript)
• views/: EJS templates
  • index.ejs: Main todo list view
  • login.ejs: Login page
  • register.ejs: Registration page
  • edit.ejs: Todo edit page

API Routes

• GET /: Main todo list page (requires authentication)
• GET /login: Login page
• POST /login: Login authentication
• GET /register: Registration page
• POST /register: User registration
• GET /logout: User logout
• POST /newtodo: Create new todo
• GET /delete/:id: Delete specific todo
• POST /toggle/:id: Toggle todo completion status
• POST /delAlltodo: Delete all todos
• GET /edit/:id: Edit todo page
• POST /update/:id: Update todo

Security Features

• Password hashing using bcrypt
• Session-based authentication
• MongoDB session store
• Protected routes using Passport.js
• Environment variable configuration

License

MIT License