001 Project structure

app/adapters/delivery_providers/base.py

@@ -0,0 +1,16 @@
+"""Base interface for delivery providers."""
+
+from abc import ABC, abstractmethod
+
+from app.schemas.request import DeliveryRequest
+from app.schemas.response import DeliveryPrice
+
+
+class DeliveryProvider(ABC):
+    name: str
+
+    @abstractmethod
+    async def get_price(self, request: DeliveryRequest) -> DeliveryPrice:
+        """Fetch one quote from an external provider."""
+
+        raise NotImplementedError