60 lines
1.7 KiB
Python
60 lines
1.7 KiB
Python
import asyncio
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from sqlmodel import Field
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from metaorm import BaseRepository, BaseTable, DatabaseSettings, RepositoriesContainer
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class UserTable(BaseTable, table=True):
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__tablename__ = "users"
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id: int | None = Field(default=None, primary_key=True)
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name: str
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class OrderTable(BaseTable, table=True):
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__tablename__ = "orders"
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id: int | None = Field(default=None, primary_key=True)
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user_id: int
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total: float
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class UserRepository(BaseRepository):
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def get_db_table(self) -> type[UserTable]:
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return UserTable
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class OrderRepository(BaseRepository):
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def get_db_table(self) -> type[OrderTable]:
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return OrderTable
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async def main() -> None:
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settings = DatabaseSettings(dsn="sqlite+aiosqlite:///:memory:")
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container = RepositoriesContainer(settings=settings)
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user_repo = container.get_repository(UserRepository)
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order_repo = container.get_repository(OrderRepository)
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await user_repo.create_tables()
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await order_repo.create_tables()
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# Atomic transaction across two repositories
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async with container.transaction():
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user = await user_repo.create_item(UserTable(name="Alice"))
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await order_repo.create_item(OrderTable(user_id=user.id, total=100.00))
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await order_repo.create_item(OrderTable(user_id=user.id, total=250.50))
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# Verify results
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users = [item async for item in user_repo.get_items()]
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orders = [item async for item in order_repo.get_items()]
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print(f"Users: {[user.name for user in users]}")
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print(f"Orders: {[(order.user_id, order.total) for order in orders]}")
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print(f"Orders count: {len(orders)}")
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if __name__ == "__main__":
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asyncio.run(main())
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