📝 Check-It : A To-Do App

A sleek, user-authenticated to-do list web application built with Flask, SQLAlchemy, and Bootstrap. Users can sign up, log in, create multiple to-do lists, add tasks, mark them as complete, and delete them — all in a clean, responsive interface.

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🚀 Features

• 🔐 User authentication (Sign Up, Log In, Log Out)
• 🧾 Create and manage multiple to-do lists
• ✅ Add, check/uncheck, and delete tasks
• 👤 Guest mode with temporary data
• 💾 SQLite database integration
• 🎨 Responsive UI with Bootstrap styling
• ⚠️ Flash messages for feedback and validation

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🧰 Tech Stack

• Backend: Flask, Flask-Login, Flask-WTF, SQLAlchemy
• Frontend: HTML, Bootstrap via Flask-Bootstrap
• Database: SQLite

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📦 Installation & Setup

1. Clone the repository

git clone https://github.com/samarthachar/check-it.git
cd check-it

2. Create a virtual environment

python -m venv venv

3. Activate the virtual environment

On macOS/Linux:

source venv/bin/activate

On Windows:

venv\Scripts\activate

4. Install dependencies

pip install -r requirements.txt

5. Run the application

python server.py

Then open your browser and go to:

http://127.0.0.1:5000/

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📁 Project Structure

├── server.py
├── forms.py
├── templates/
│   ├── homepage.html
│   ├── login.html
│   ├── signup.html
│   ├── todo.html
│   ├── pricing.html
│   └── about.html
├── static/
│   └── (optional CSS/JS files)
├── data.db
└── requirements.txt

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🛡️ Security Notes

• Passwords are hashed using werkzeug.security.
• CSRF protection is enabled via Flask-WTF.
• Guest users are auto-created with placeholder credentials and cleared on login/signup.

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🧪 Future Improvements

• Add Multiple To-Dos per User

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📜 License

This project is open-source and available under the MIT License.

check-it