5973e92fca
- Add main.py with basic CRUD operations for todo items - Create requirements.txt with necessary dependencies - Update README.md with application details - Include /health endpoint for health checks - Use SQLite for data storage
143 lines
3.9 KiB
Python
143 lines
3.9 KiB
Python
from fastapi import FastAPI, HTTPException, status
|
|
from pydantic import BaseModel
|
|
from typing import List, Optional
|
|
from pathlib import Path
|
|
import uuid
|
|
import sqlite3
|
|
|
|
# Create the FastAPI app
|
|
app = FastAPI(
|
|
title="Simple Todo App",
|
|
description="A very simple todo application using FastAPI and SQLite",
|
|
version="0.1.0",
|
|
)
|
|
|
|
# Ensure database directory exists
|
|
DB_DIR = Path("/app") / "storage" / "db"
|
|
DB_DIR.mkdir(parents=True, exist_ok=True)
|
|
|
|
# Database setup
|
|
SQLALCHEMY_DATABASE_URL = f"sqlite:///{DB_DIR}/db.sqlite"
|
|
DB_PATH = f"{DB_DIR}/db.sqlite"
|
|
|
|
def init_db():
|
|
"""Initialize the SQLite database with the todos table if it doesn't exist."""
|
|
conn = sqlite3.connect(DB_PATH)
|
|
cursor = conn.cursor()
|
|
cursor.execute('''
|
|
CREATE TABLE IF NOT EXISTS todos (
|
|
id TEXT PRIMARY KEY,
|
|
title TEXT NOT NULL,
|
|
description TEXT,
|
|
completed BOOLEAN NOT NULL DEFAULT 0
|
|
)
|
|
''')
|
|
conn.commit()
|
|
conn.close()
|
|
|
|
# Initialize database on startup
|
|
init_db()
|
|
|
|
# Pydantic models
|
|
class TodoBase(BaseModel):
|
|
title: str
|
|
description: Optional[str] = None
|
|
completed: bool = False
|
|
|
|
class TodoCreate(TodoBase):
|
|
pass
|
|
|
|
class Todo(TodoBase):
|
|
id: str
|
|
|
|
class Config:
|
|
from_attributes = True
|
|
|
|
# Health check endpoint
|
|
@app.get("/health", status_code=status.HTTP_200_OK, tags=["health"])
|
|
async def health_check():
|
|
"""Return health status of the application."""
|
|
return {"status": "healthy"}
|
|
|
|
# CRUD Operations
|
|
@app.post("/todos/", response_model=Todo, status_code=status.HTTP_201_CREATED, tags=["todos"])
|
|
async def create_todo(todo: TodoCreate):
|
|
"""Create a new todo item."""
|
|
todo_id = str(uuid.uuid4())
|
|
|
|
conn = sqlite3.connect(DB_PATH)
|
|
cursor = conn.cursor()
|
|
cursor.execute(
|
|
"INSERT INTO todos (id, title, description, completed) VALUES (?, ?, ?, ?)",
|
|
(todo_id, todo.title, todo.description, todo.completed)
|
|
)
|
|
conn.commit()
|
|
conn.close()
|
|
|
|
return {**todo.model_dump(), "id": todo_id}
|
|
|
|
@app.get("/todos/", response_model=List[Todo], tags=["todos"])
|
|
async def read_todos():
|
|
"""Get all todo items."""
|
|
conn = sqlite3.connect(DB_PATH)
|
|
conn.row_factory = sqlite3.Row
|
|
cursor = conn.cursor()
|
|
cursor.execute("SELECT * FROM todos")
|
|
rows = cursor.fetchall()
|
|
conn.close()
|
|
|
|
return [dict(row) for row in rows]
|
|
|
|
@app.get("/todos/{todo_id}", response_model=Todo, tags=["todos"])
|
|
async def read_todo(todo_id: str):
|
|
"""Get a specific todo item by ID."""
|
|
conn = sqlite3.connect(DB_PATH)
|
|
conn.row_factory = sqlite3.Row
|
|
cursor = conn.cursor()
|
|
cursor.execute("SELECT * FROM todos WHERE id = ?", (todo_id,))
|
|
row = cursor.fetchone()
|
|
conn.close()
|
|
|
|
if row is None:
|
|
raise HTTPException(status_code=404, detail="Todo not found")
|
|
|
|
return dict(row)
|
|
|
|
@app.put("/todos/{todo_id}", response_model=Todo, tags=["todos"])
|
|
async def update_todo(todo_id: str, todo: TodoCreate):
|
|
"""Update a todo item."""
|
|
conn = sqlite3.connect(DB_PATH)
|
|
cursor = conn.cursor()
|
|
cursor.execute(
|
|
"UPDATE todos SET title = ?, description = ?, completed = ? WHERE id = ?",
|
|
(todo.title, todo.description, todo.completed, todo_id)
|
|
)
|
|
|
|
if cursor.rowcount == 0:
|
|
conn.close()
|
|
raise HTTPException(status_code=404, detail="Todo not found")
|
|
|
|
conn.commit()
|
|
conn.close()
|
|
|
|
return {**todo.model_dump(), "id": todo_id}
|
|
|
|
@app.delete("/todos/{todo_id}", status_code=status.HTTP_204_NO_CONTENT, response_model=None, tags=["todos"])
|
|
async def delete_todo(todo_id: str):
|
|
"""Delete a todo item."""
|
|
conn = sqlite3.connect(DB_PATH)
|
|
cursor = conn.cursor()
|
|
cursor.execute("DELETE FROM todos WHERE id = ?", (todo_id,))
|
|
|
|
if cursor.rowcount == 0:
|
|
conn.close()
|
|
raise HTTPException(status_code=404, detail="Todo not found")
|
|
|
|
conn.commit()
|
|
conn.close()
|
|
|
|
return None
|
|
|
|
if __name__ == "__main__":
|
|
import uvicorn
|
|
uvicorn.run(app, host="0.0.0.0", port=8000) |