feat: audit log de_minimis_aid creation

backend/benefit/applications/api/v1/serializers/application.py

@@ -1284,6 +1284,8 @@ def assign_default_fields_from_company(self, application, company):
 
     def _update_de_minimis_aid(self, application, de_minimis_data):
         serializer = DeMinimisAidSerializer(data=de_minimis_data, many=True)
+        user = self.get_logged_in_user()
+
         if not serializer.is_valid():
             raise BenefitAPIException(
                 format_lazy(
@@ -1299,7 +1301,14 @@ def _update_de_minimis_aid(self, application, de_minimis_data):
             aid_item[
                 "ordering"
             ] = idx  # use the ordering defined in the JSON sent by the client
-        serializer.save()
+        de_minimis_list = serializer.save()
+        for de_minimis in de_minimis_list:
+            audit_logging.log(
+                user,
+                "",
+                Operation.CREATE,
+                de_minimis,
+            )
 
     def get_logged_in_user(self):
         return get_request_user_from_context(self)