/**
* Pluggable function to render the frontend product page voucher fields
*
* @since 1.2
* @param WC_Product $product the voucher product
*/
function wc_pdf_product_vouchers_render_product_voucher_fields($product)
{
if ($product->is_type('variable')) {
foreach ($product->get_children() as $variation_product_id) {
$products[] = wc_get_product($variation_product_id);
}
} else {
$products[] = $product;
}
foreach ($products as $product) {
$voucher = WC_PDF_Product_Vouchers_Product::get_voucher($product);
if ($voucher) {
$fields = $voucher->get_user_input_voucher_fields();
$images = $voucher->get_image_urls();
if ($fields || $images) {
// load the template file
wc_get_template('single-product/product-voucher.php', array('product' => $product, 'product_id' => isset($product->variation_id) ? $product->variation_id : $product->id, 'voucher' => $voucher, 'fields' => $fields, 'images' => $images), '', wc_pdf_product_vouchers()->get_plugin_path() . '/templates/');
}
}
}
}
/**
* Add any user-supplied voucher field data to the cart item data, to
* set in the session
*
* @since 1.2
* @param array $cart_item_data associative-array of name/value pairs of cart item data
* @param int $product_id the product identifier
* @param int $variation_id optional product variation identifer
*
* @return array associative array of name/value pairs of cart item
* data to set in the session
*/
public function add_cart_item_voucher_data($cart_item_data, $product_id, $variation_id)
{
$_product_id = $variation_id ? $variation_id : $product_id;
$product = wc_get_product($_product_id);
// is this a voucher product?
if (WC_PDF_Product_Vouchers_Product::has_voucher($product)) {
$voucher = WC_PDF_Product_Vouchers_Product::get_voucher($product);
// record the voucher id
$cart_item_data['voucher_id'] = $voucher->id;
// set the selected voucher image id, or default to the main one if the voucher was added from the catalog
$cart_item_data['voucher_image_id'] = isset($_POST['voucher_image'][$_product_id]) ? $_POST['voucher_image'][$_product_id] : $voucher->image_id;
// set any user-input fields, which will end up in the order item meta data (which can be displayed on the frontend)
$fields = $voucher->get_user_input_voucher_fields();
foreach ($fields as $field) {
if (isset($_POST[$field['name']][$_product_id])) {
$cart_item_data['voucher_item_meta_data'][$field['name']] = $_POST[$field['name']][$_product_id];
}
}
// add a random so that multiple of the same product can be added to the cart when "sold individually" is enabled
$cart_item_data['voucher_random'] = uniqid('voucher_');
}
return $cart_item_data;
}
/**
* 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]);
}
}
}
}
