feat: add full pay path

src/infrastructure/database/repositories/payment_repository.py

@@ -0,0 +1,41 @@
+from __future__ import annotations
+
+from datetime import datetime
+from decimal import Decimal
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+from src.application.abstractions.repositories.i_payment_repository import IPaymentRepository
+from src.application.contracts import ILogger
+from src.application.domain.enums import PaymentStatus
+from src.infrastructure.database.models.payment import Payment
+
+
+class PaymentRepository(IPaymentRepository):
+    def __init__(self,session: AsyncSession,logger: ILogger):
+        self._session=session
+        self._logger=logger
+
+
+    async def create_completed(self,*,user_id:str,order_id:str,itpay_payment_id:str,itpay_paid_amount:str|None,transaction_id:str|None,paid_at:str|None,expired_date:str|None) -> Payment:
+        stmt=select(Payment).where(Payment.order_id==order_id)
+        existing=await self._session.scalar(stmt)
+        if existing is not None:
+            return existing
+        paid_at_dt=datetime.fromisoformat(paid_at.replace('Z','+00:00')) if paid_at else None
+        expired_dt=datetime.fromisoformat(expired_date.replace('Z','+00:00')) if expired_date else None
+        paid_amount_dec=Decimal(str(itpay_paid_amount)) if itpay_paid_amount is not None else None
+        model=Payment(
+            user_id=user_id,
+            order_id=order_id,
+            status=PaymentStatus.PENDING,
+            receipt_cloudekassir_link=None,
+            itpay_payment_id=itpay_payment_id,
+            itpay_paid_amount=paid_amount_dec,
+            transaction_id=transaction_id,
+            paid_at=paid_at_dt,
+            expired_date=expired_dt,
+        )
+        self._session.add(model)
+        await self._session.flush()
+        return model
+