/**
* 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);
}
}
}
}
}
/**
* Called when an order is updated from the admin, creates a new voucher if
* a voucher item was added, and updates the voucher expiration and redeem
* item meta.
*
* @since 1.2
* @param int $post_id the post identifier
* @param object $post the order post object
*
* @return array order item data to persist
*/
public function process_shop_order_meta($post_id, $post)
{
// get the order
$order = wc_get_order($post_id);
$order_items = $order->get_items();
// loop through any order items by id
if (isset($_POST['order_item_id'])) {
foreach ($_POST['order_item_id'] as $item_id) {
$item_id = absint($item_id);
if (!isset($order_items[$item_id]) || !$order_items[$item_id]) {
continue;
}
$order_item = $order_items[$item_id];
$product_id = $order_item['variation_id'] ? $order_item['variation_id'] : $order_item['product_id'];
$product = wc_get_product($product_id);
// if we have a voucher product, but no voucher set for the order item, this is likely an item newly added from the admin, so create a default voucher
if ($product && $product->is_downloadable() && WC_PDF_Product_Vouchers_Product::has_voucher($product) && (!isset($order_item['voucher_id']) || !$order_item['voucher_id'])) {
$voucher = WC_PDF_Product_Vouchers_Product::get_voucher($product);
$voucher_number = WC_PDF_Product_Vouchers_Voucher::generate_voucher_number();
wc_add_order_item_meta($item_id, '_voucher_image_id', $voucher->get_image_id());
wc_add_order_item_meta($item_id, '_voucher_id', $voucher->id);
wc_add_order_item_meta($item_id, '_voucher_redeem', array_pad(array(), $order_item['qty'], null));
// TODO: need to handle the order item quantity being changed from the admin
wc_add_order_item_meta($item_id, '_voucher_number', $voucher_number);
// if download permissions have already been granted, grant permission to the newly created voucher
if (isset($order->download_permissions_granted[0]) && 1 == $order->download_permissions_granted[0]) {
wc_downloadable_file_permission('wc_vouchers_' . $voucher_number, $product_id, $order);
}
}
if (isset($_POST['voucher_expiration'][$item_id])) {
wc_update_order_item_meta($item_id, '_voucher_expiration', $_POST['voucher_expiration'][$item_id]);
}
if (isset($_POST['voucher_redeem'][$item_id])) {
wc_update_order_item_meta($item_id, '_voucher_redeem', $_POST['voucher_redeem'][$item_id]);
}
}
}
}
