22 lines
676 B
Python
22 lines
676 B
Python
from sqlalchemy.ext.asyncio import AsyncSession
|
|
from sqlalchemy import select
|
|
from typing import Optional
|
|
|
|
from db.models import Category
|
|
|
|
|
|
class CategoriesRepository:
|
|
async def get_category_by_id(
|
|
self, session: AsyncSession, category_id: int
|
|
) -> Optional[Category]:
|
|
stmt = select(Category).where(Category.id == category_id)
|
|
return await session.scalar(stmt)
|
|
|
|
async def get_categories_by_parent_id(
|
|
self, session: AsyncSession, parent_id: Optional[int] = None
|
|
) -> list[Category]:
|
|
stmt = select(Category).where(Category.parent_id == parent_id)
|
|
result = await session.scalars(stmt)
|
|
|
|
return list(result)
|