public static function installOrderAttributes(Package $pkg)
{
//create custom attribute category for orders
$oakc = AttributeKeyCategory::getByHandle('store_order');
if (!is_object($oakc)) {
$oakc = AttributeKeyCategory::add('store_order', AttributeKeyCategory::ASET_ALLOW_SINGLE, $pkg);
$oakc->associateAttributeKeyType(AttributeType::getByHandle('text'));
$oakc->associateAttributeKeyType(AttributeType::getByHandle('textarea'));
$oakc->associateAttributeKeyType(AttributeType::getByHandle('number'));
$oakc->associateAttributeKeyType(AttributeType::getByHandle('address'));
$oakc->associateAttributeKeyType(AttributeType::getByHandle('boolean'));
$oakc->associateAttributeKeyType(AttributeType::getByHandle('date_time'));
$orderCustSet = $oakc->addSet('order_customer', t('Store Customer Info'), $pkg);
}
$text = AttributeType::getByHandle('text');
$address = AttributeType::getByHandle('address');
Installer::installOrderAttribute('email', $text, $pkg, $orderCustSet);
Installer::installOrderAttribute('billing_first_name', $text, $pkg, $orderCustSet);
Installer::installOrderAttribute('billing_last_name', $text, $pkg, $orderCustSet);
Installer::installOrderAttribute('billing_address', $address, $pkg, $orderCustSet);
Installer::installOrderAttribute('billing_phone', $text, $pkg, $orderCustSet);
Installer::installOrderAttribute('shipping_first_name', $text, $pkg, $orderCustSet);
Installer::installOrderAttribute('shipping_last_name', $text, $pkg, $orderCustSet);
Installer::installOrderAttribute('shipping_address', $address, $pkg, $orderCustSet);
}