update public api v2

Author: kathryn-dale

public_api/version_02/views/base.py

@@ -28,6 +28,21 @@ def _build_request_serializer(
     ) -> APITimeSeriesRequestSerializerv2:
         serializer_context = {"request": request, "lookup_field": self.lookup_field}
         return APITimeSeriesRequestSerializerv2(context=serializer_context)
+    
+    @staticmethod
+    def _is_valid_non_public_request(request: Request) -> bool:
+
+        try:
+            is_non_public = request.query_params["is-public"].lower() == "false"
+        except KeyError:
+            is_non_public = False
+
+        try:
+            is_authenticated = request.auth()
+        except TypeError:
+            is_authenticated = False
+
+        return is_non_public and is_authenticated
 
     @extend_schema(tags=[PUBLIC_API_TAG])
     def get(self, request: Request, *args, **kwargs) -> Response:
@@ -39,4 +54,10 @@ def get(self, request: Request, *args, **kwargs) -> Response:
         )
 
         serializer = self.get_serializer(timeseries_dto_slice, many=True)
-        return Response(serializer.data)
+        response = Response(data=serializer.data)
+
+        is_valid_non_public_request = self._is_valid_non_public_request(request=request)
+        if is_valid_non_public_request:
+            response["Cache-Control"] = "private, no-cache"
+            
+        return response