Automated Action 7a43bab909 Add simple todo app backend with FastAPI
- Create FastAPI application with CORS support
- Add SQLAlchemy models for Todo with timestamps
- Set up SQLite database with proper configuration
- Create CRUD operations for todo management
- Add REST API endpoints for all todo operations
- Configure Alembic for database migrations
- Add Pydantic schemas for request/response validation
- Include health check and root info endpoints
- Set up proper project structure following best practices
- Add comprehensive README with usage instructions
2025-06-19 12:10:12 +00:00

33 lines
1.2 KiB
Python

from sqlalchemy.orm import Session
from . import models, schemas
from typing import List, Optional
def get_todo(db: Session, todo_id: int) -> Optional[models.Todo]:
return db.query(models.Todo).filter(models.Todo.id == todo_id).first()
def get_todos(db: Session, skip: int = 0, limit: int = 100) -> List[models.Todo]:
return db.query(models.Todo).offset(skip).limit(limit).all()
def create_todo(db: Session, todo: schemas.TodoCreate) -> models.Todo:
db_todo = models.Todo(**todo.model_dump())
db.add(db_todo)
db.commit()
db.refresh(db_todo)
return db_todo
def update_todo(db: Session, todo_id: int, todo_update: schemas.TodoUpdate) -> Optional[models.Todo]:
db_todo = db.query(models.Todo).filter(models.Todo.id == todo_id).first()
if db_todo:
update_data = todo_update.model_dump(exclude_unset=True)
for field, value in update_data.items():
setattr(db_todo, field, value)
db.commit()
db.refresh(db_todo)
return db_todo
def delete_todo(db: Session, todo_id: int) -> Optional[models.Todo]:
db_todo = db.query(models.Todo).filter(models.Todo.id == todo_id).first()
if db_todo:
db.delete(db_todo)
db.commit()
return db_todo