provide and preserve aperture information

[scpubgit/DX.git] / lib / DX / ActionBuilder / UnsetValue.pm

diff --git a/lib/DX/ActionBuilder/UnsetValue.pm b/lib/DX/ActionBuilder/UnsetValue.pm
index 6db2efd..b2c1ddf 100644 (file)
--- a/lib/DX/ActionBuilder/UnsetValue.pm
+++ b/lib/DX/ActionBuilder/UnsetValue.pm
@@ -2,24 +2,36 @@ package DX::ActionBuilder::UnsetValue;
 
 use DX::Action::SetValue;
 use DX::ActionBuilder::Normal;
+use DX::Action::BindValue;
+use DX::ActionBuilder::BoundValue;
+use DX::Utils qw(VALUE_SET);
 use DX::Class;
 
 with 'DX::Role::ActionBuilder';
 
 has target_path => (is => 'ro', required => 1);
 
+sub aperture_for_set_value {
+  [ [ VALUE_SET ,=> @{$_[0]->target_path} ] ]
+}
+
 sub action_for_set_value {
   my ($self, $value) = @_;
-  if (0) { # value_path / identity_path test
-    # bind value
+  if (my $p = $value->value_path) {
+    my $ab = DX::ActionBuilder::BoundValue->new(
+      target_path => $self->target_path,
+      rebind_path => $self->target_path,
+      bound_to_path => $p,
+      inner_action_builder => $value->action_builder,
+    );
+    return DX::Action::BindValue->new(
+      target_path => $self->target_path,
+      new_value => $ab->apply_to_value($value, $value),
+    )
   }
-  my $ab = DX::ActionBuilder::Normal->new(
-    target_path => $self->target_path,
-  );
-  DX::Action::SetValue->new(
+  DX::ActionBuilder::Normal->new(
     target_path => $self->target_path,
-    new_value => $value->but_set_action_builder($ab),
-  );
+  )->action_for_set_value($value);
 }
 
 1;