/**
* Make sure the user-input voucher fields are persisted to the database in the
* order item meta. This is called during the checkout process for each
* cart item added to the order. Requires WooCommerce 2.0+
*
* @since 1.2
* @param int $item_id item identifier
* @param array $values array of data representing a cart item
*/
public function add_order_item_meta($item_id, $values)
{
// is this a voucher product?
if (isset($values['voucher_id'])) {
$voucher = new WC_Voucher($values['voucher_id']);
wc_add_order_item_meta($item_id, '_voucher_image_id', $values['voucher_image_id']);
wc_add_order_item_meta($item_id, '_voucher_id', $values['voucher_id']);
wc_add_order_item_meta($item_id, '_voucher_redeem', array_pad(array(), $values['quantity'], null));
wc_add_order_item_meta($item_id, '_voucher_number', WC_PDF_Product_Vouchers_Voucher::generate_voucher_number());
// set any user-input fields to the order item meta data (which can be displayed on the frontend)
// ie recipient_name, message
if (isset($values['voucher_item_meta_data'])) {
foreach ($values['voucher_item_meta_data'] as $name => $value) {
if ($voucher->is_user_input_type_field($name) && $value) {
// make sure any max length rules are imposed
if ($voucher->get_user_input_field_max_length($name)) {
$value = substr($value, 0, $voucher->get_user_input_field_max_length($name));
}
wc_add_order_item_meta($item_id, __($voucher->get_field_label($name), WC_PDF_Product_Vouchers::TEXT_DOMAIN), $value);
}
}
}
}
}
