Рефактор

app/adapters/delivery_providers/base.py

@@ -1,7 +1,9 @@
 """Base interface for delivery providers."""
 
 from abc import ABC, abstractmethod
+from typing import Protocol, runtime_checkable
 
+from app.schemas.payment import InitPaymentRequest
 from app.schemas.request import DeliveryCalculationRequest
 from app.schemas.response import DeliveryPrice
 
@@ -18,6 +20,27 @@ class DeliveryProvider(ABC):
         raise NotImplementedError
 
 
+@runtime_checkable
+class PaymentPriceValidationProvider(Protocol):
+    name: str
+
+    async def get_payment_price(
+        self,
+        request: InitPaymentRequest,
+    ) -> DeliveryPrice | None: ...
+
+
+@runtime_checkable
+class OrderRegistrationProvider(Protocol):
+    name: str
+
+    async def register_order(
+        self,
+        request: InitPaymentRequest,
+        order_uuid: str,
+    ) -> object: ...
+
+
 class ProviderClientError(RuntimeError):
     """Raised when a provider call fails for temporary or provider-side reasons."""