1 files changed, 14 insertions, 0 deletions
diff --git a/lib/powerdnsex/models/resource_record_set.ex b/lib/powerdnsex/models/resource_record_set.ex
index 928848c..52dbed2 100644
--- a/lib/powerdnsex/models/resource_record_set.ex
+++ b/lib/powerdnsex/models/resource_record_set.ex
@@ -3,6 +3,7 @@ defmodule PowerDNSex.Models.ResourceRecordSet do
   alias PowerDNSex.Models.Record
 
   defstruct [:name, :type, :ttl, :records, :changetype]
+  @permited_attrs [:ttl, :records]
 
   def build(%{records: records} = rrset_attrs) when is_list(records) do
     build_rrset(rrset_attrs)
@@ -33,6 +34,19 @@ defmodule PowerDNSex.Models.ResourceRecordSet do
     end)
   end
 
+  def update(%__MODULE__{} = rrset, %{} = new_attrs) do
+    Enum.reduce(@permited_attrs, rrset, fn(attr_name, rrset)->
+                  case Map.fetch(new_attrs, attr_name) do
+                    {:ok, new_value} ->
+                      if attr_name == :records do
+                        new_value = Record.build(new_value)
+                      end
+                      %{rrset | attr_name => new_value}
+                    _ -> rrset
+                  end
+                end)
+  end
+
   ###
   # Private
   ###