Merge branch 'refactor/backend-architecture' into development

api/app/features/payment/repo.py

@@ -0,0 +1,22 @@
+"""Payment repository — Order data access."""
+
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.features.payment.models import Order
+
+
+async def get_order_by_id(order_id: str, db: AsyncSession) -> Order | None:
+    return await db.get(Order, order_id)
+
+
+async def get_orders_by_user(user_id: str, db: AsyncSession) -> list[Order]:
+    stmt = select(Order).where(Order.user_id == user_id).order_by(Order.created_at.desc())
+    result = await db.execute(stmt)
+    return list(result.scalars().all())
+
+
+async def get_order_by_trade_no(out_trade_no: str, db: AsyncSession) -> Order | None:
+    stmt = select(Order).where(Order.id == out_trade_no)
+    result = await db.execute(stmt)
+    return result.scalar_one_or_none()