my $delivery_order = $class->new(%args);
$delivery_order->assign_attributes(%{ $params{attributes} }) if $params{attributes};
my $items = delete($params{items}) || $source->items_sorted;
my %item_parents;
my $delivery_order = $class->new(%args);
$delivery_order->assign_attributes(%{ $params{attributes} }) if $params{attributes};
my $items = delete($params{items}) || $source->items_sorted;
my %item_parents;