Todo Application API

This is a Todo Application API built with FastAPI and SQLite database. It provides CRUD operations for managing todo items.

Features

• Create, read, update, and delete todo items
• Filter todos by completion status
• Health check endpoint
• SQLite database with SQLAlchemy ORM
• Alembic migrations

Project Structure

/
├── app/
│   ├── api/
│   │   ├── health.py       # Health check endpoint
│   │   └── todos.py        # Todo CRUD endpoints
│   ├── db/
│   │   └── database.py     # Database connection
│   ├── models/
│   │   └── todo.py         # SQLAlchemy models
│   ├── schemas/
│   │   └── todo.py         # Pydantic schemas
│   └── utils/
├── migrations/             # Alembic migrations
│   ├── versions/
│   │   └── 001_create_todos_table.py
│   ├── env.py
│   └── script.py.mako
├── storage/                # SQLite database location
│   └── db/
├── alembic.ini             # Alembic configuration
├── main.py                 # Application entry point
├── requirements.txt        # Project dependencies
└── README.md

Getting Started

Prerequisites

• Python 3.7+
• pip

Installation

1. Clone the repository
2. Install dependencies:

   pip install -r requirements.txt
   

3. Run database migrations:

   alembic upgrade head
   

4. Start the server:

   uvicorn main:app --reload
   

API Documentation

Once the server is running, you can access the API documentation at:

• Swagger UI: http://localhost:8000/docs
• ReDoc: http://localhost:8000/redoc

API Endpoints

Todo Endpoints

• GET /todos: Get all todo items (with optional filtering)
• POST /todos: Create a new todo item
• GET /todos/{todo_id}: Get a specific todo item
• PUT /todos/{todo_id}: Update a todo item
• DELETE /todos/{todo_id}: Delete a todo item

Health Endpoint

• GET /health: Health check endpoint