feat(orders): integrate Pally payment and order management

repositories/invoices.py

@@ -0,0 +1,34 @@
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from db.models.invoice import Invoice
+from schemas.invoices import InvoiceStatus
+
+
+class InvoiceRepository:
+    def __init__(self, session: AsyncSession) -> None:
+        self.session = session
+
+    async def get_by_id(self, id: int) -> Invoice | None:
+        stmt = select(Invoice).where(Invoice.id == id)
+        r = await self.session.execute(stmt)
+
+        return r.scalar_one_or_none()
+
+    async def get_by_user_id(self, user_id: int) -> list[Invoice]:
+        stmt = select(Invoice).where(Invoice.creator_id == user_id)
+        r = await self.session.execute(stmt)
+
+        return list(r.scalars().all())
+
+    async def create(self, creator_id: int, amount: int | float, status: InvoiceStatus) -> Invoice:
+        obj = Invoice(
+            creator_id=creator_id,
+            amount=amount,
+            status=status,
+        )
+
+        self.session.add(obj)
+        await self.session.commit()
+
+        return obj