9c5b74200b
- Created requirements.txt with necessary dependencies - Set up FastAPI application structure with main.py - Added health endpoint - Configured SQLAlchemy with SQLite database - Initialized Alembic for database migrations - Created Todo model and API endpoints - Updated README with setup and usage instructions - Linted code with Ruff
128 lines
3.6 KiB
Python
128 lines
3.6 KiB
Python
from fastapi import FastAPI, Depends, HTTPException, status
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from fastapi.middleware.cors import CORSMiddleware
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from sqlalchemy.orm import Session
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import uvicorn
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from typing import List, Optional
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from pydantic import BaseModel
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from datetime import datetime
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# Import database models and config
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from app.database.config import get_db
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from app.database.models import Todo as TodoModel
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# Create tables if they don't exist
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# In production, you should use Alembic migrations instead
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# models.Base.metadata.create_all(bind=engine)
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# Pydantic models for request and response
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class TodoBase(BaseModel):
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title: str
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description: Optional[str] = None
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completed: bool = False
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class TodoCreate(TodoBase):
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pass
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class TodoResponse(TodoBase):
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id: int
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created_at: datetime
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updated_at: Optional[datetime] = None
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class Config:
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orm_mode = True
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# Create the FastAPI app
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app = FastAPI(
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title="Todo List API",
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description="A simple Todo List API built with FastAPI",
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version="0.1.0",
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)
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# Configure CORS
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app.add_middleware(
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CORSMiddleware,
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allow_origins=["*"],
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allow_credentials=True,
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allow_methods=["*"],
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allow_headers=["*"],
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)
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# Health endpoint
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@app.get("/health", tags=["Health"])
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async def health_check():
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"""
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Health check endpoint to verify the API is running.
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"""
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return {"status": "healthy"}
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# Root endpoint
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@app.get("/", tags=["Root"])
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async def root():
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"""
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Root endpoint that redirects to the API documentation.
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"""
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return {"message": "Welcome to Todo List API. Visit /docs for documentation."}
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# Todo API endpoints
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@app.post("/todos", response_model=TodoResponse, status_code=status.HTTP_201_CREATED, tags=["Todos"])
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def create_todo(todo: TodoCreate, db: Session = Depends(get_db)):
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"""
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Create a new todo item.
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"""
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db_todo = TodoModel(**todo.dict())
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db.add(db_todo)
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db.commit()
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db.refresh(db_todo)
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return db_todo
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@app.get("/todos", response_model=List[TodoResponse], tags=["Todos"])
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def read_todos(skip: int = 0, limit: int = 100, db: Session = Depends(get_db)):
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"""
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Get all todo items with pagination.
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"""
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todos = db.query(TodoModel).offset(skip).limit(limit).all()
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return todos
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@app.get("/todos/{todo_id}", response_model=TodoResponse, tags=["Todos"])
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def read_todo(todo_id: int, db: Session = Depends(get_db)):
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"""
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Get a specific todo item by ID.
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"""
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db_todo = db.query(TodoModel).filter(TodoModel.id == todo_id).first()
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if db_todo is None:
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raise HTTPException(status_code=404, detail="Todo not found")
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return db_todo
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@app.put("/todos/{todo_id}", response_model=TodoResponse, tags=["Todos"])
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def update_todo(todo_id: int, todo: TodoCreate, db: Session = Depends(get_db)):
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"""
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Update a todo item.
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"""
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db_todo = db.query(TodoModel).filter(TodoModel.id == todo_id).first()
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if db_todo is None:
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raise HTTPException(status_code=404, detail="Todo not found")
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# Update todo item fields
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for key, value in todo.dict().items():
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setattr(db_todo, key, value)
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db.commit()
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db.refresh(db_todo)
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return db_todo
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@app.delete("/todos/{todo_id}", status_code=status.HTTP_204_NO_CONTENT, response_model=None, tags=["Todos"])
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def delete_todo(todo_id: int, db: Session = Depends(get_db)):
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"""
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Delete a todo item.
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"""
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db_todo = db.query(TodoModel).filter(TodoModel.id == todo_id).first()
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if db_todo is None:
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raise HTTPException(status_code=404, detail="Todo not found")
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db.delete(db_todo)
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db.commit()
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return None
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# For local development
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if __name__ == "__main__":
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uvicorn.run("main:app", host="0.0.0.0", port=8000, reload=True) |