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from __future__ import annotations
from typing import TYPE_CHECKING, Sequence
from sqlalchemy import select
from sqlalchemy.orm import DeclarativeBase, Mapped, mapped_column
from litestar import Litestar, post
from litestar.plugins.sqlalchemy import SQLAlchemyAsyncConfig, SQLAlchemyPlugin
if TYPE_CHECKING:
from sqlalchemy.ext.asyncio import AsyncSession
class Base(DeclarativeBase): ...
class TodoItem(Base):
__tablename__ = "todo_item"
title: Mapped[str] = mapped_column(primary_key=True)
done: Mapped[bool]
@post("/")
async def add_item(data: TodoItem, db_session: AsyncSession) -> Sequence[TodoItem]:
async with db_session.begin():
db_session.add(data)
return (await db_session.execute(select(TodoItem))).scalars().all()
config = SQLAlchemyAsyncConfig(
connection_string="sqlite+aiosqlite:///todo_async.sqlite", create_all=True, metadata=Base.metadata
)
plugin = SQLAlchemyPlugin(config=config)
app = Litestar(route_handlers=[add_item], plugins=[plugin])
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