Flask ToDo List

A simple, modern ToDo List web app built with Flask, SQLAlchemy, and SQLite.
Features a stylish UI with theme toggle, persistent tasks in the database, and basic CRUD operations.

Features

• Add, complete, and delete tasks
• Tasks are stored in a SQLite database
• Responsive, animated UI with light/dark theme toggle
• Uses Flask, Flask-SQLAlchemy, and Flask-Migrate

Requirements

• Python 3.8+
• See requirements.txt for Python dependencies

Setup

1. Install dependencies:

   pip install -r requirements.txt

2. Run the app:

   python main.py

3. Open in browser:
   Visit http://127.0.0.1:5000

Project Structure

main.py                  # Flask app and database models
requirements.txt         # Python dependencies
templates/
  index.html             # Main HTML template
instance/
  todo.db                # SQLite database (auto-created)
migrations/              # Alembic migration scripts

Usage

• Add a task:
  Enter text in the input and click ➕ or press Enter.
• Complete a task:
  Click the ✓ button next to a task.
• Delete a task:
  Click the 🗑️ button next to a task.
• Toggle theme:
  Click "Toggle Theme" at the top right.

Database

• Uses SQLite (todo.db in instance/ directory)
• Tasks have fields: id, content, created_at, completed

Migrations

• Database migrations managed with Alembic/Flask-Migrate.
• Migration scripts are in migrations/versions/.

License

MIT License