/**
* Validates add-to-cart for bundles.
* Basically ensures that stock for all bundled products exists before attempting to add them to cart.
*
* @param boolean $add core validation add to cart flag
* @param int $product_id the product id
* @param int $product_quantity quantity
* @param mixed $variation_id variation id
* @param array $variations variation data
* @param array $cart_item_data cart item data
* @return boolean modified add to cart validation flag
*/
function woo_bundles_validation($add, $product_id, $product_quantity, $variation_id = '', $variations = array(), $cart_item_data = array())
{
global $woocommerce_bundles;
// Get product type
$terms = get_the_terms($product_id, 'product_type');
$product_type = !empty($terms) && isset(current($terms)->name) ? sanitize_title(current($terms)->name) : 'simple';
// Ordering again?
$order_again = isset($_GET['order_again']) && isset($_GET['_wpnonce']) && wp_verify_nonce($_GET['_wpnonce'], 'woocommerce-order_again');
// prevent bundled items from getting validated - they will be added by the container item
if (isset($cart_item_data['is_bundled']) && $order_again) {
return false;
}
if ($product_type === 'bundle') {
$product = WC_PB_Core_Compatibility::wc_get_product($product_id);
if (!$product) {
return false;
}
if (!apply_filters('woocommerce_bundle_before_validation', true, $product)) {
return false;
}
// If a stock-managed product / variation exists in the bundle multiple times, its stock will be checked only once for the sum of all bundled quantities.
// The stock manager class keeps a record of stock-managed product / variation ids
$bundled_stock = new WC_PB_Stock_Manager();
// Grab bundled items
$bundled_items = $product->get_bundled_items();
if (!$bundled_items) {
return $add;
}
foreach ($bundled_items as $bundled_item_id => $bundled_item) {
$id = $bundled_item->product_id;
$bundled_product_type = $bundled_item->product->product_type;
// Optional
$is_optional = $bundled_item->is_optional();
if ($is_optional) {
if (isset($cart_item_data['stamp'][$bundled_item_id]['optional_selected']) && $order_again) {
$is_optional_selected = 'yes' === $cart_item_data['stamp'][$bundled_item_id]['optional_selected'] ? true : false;
} elseif (isset($_REQUEST[apply_filters('woocommerce_product_bundle_field_prefix', '', $product_id) . 'bundle_selected_optional_' . $bundled_item_id])) {
$is_optional_selected = isset($_REQUEST[apply_filters('woocommerce_product_bundle_field_prefix', '', $product_id) . 'bundle_selected_optional_' . $bundled_item_id]);
} else {
$is_optional_selected = false;
}
}
if ($is_optional && !$is_optional_selected) {
continue;
}
// Check quantity
$item_quantity_min = $bundled_item->get_quantity();
$item_quantity_max = $bundled_item->get_quantity('max');
if (isset($_REQUEST[apply_filters('woocommerce_product_bundle_field_prefix', '', $product_id) . 'bundle_quantity_' . $bundled_item_id]) && is_numeric($_REQUEST[apply_filters('woocommerce_product_bundle_field_prefix', '', $product_id) . 'bundle_quantity_' . $bundled_item_id])) {
$item_quantity = absint($_REQUEST[apply_filters('woocommerce_product_bundle_field_prefix', '', $product_id) . 'bundle_quantity_' . $bundled_item_id]);
} elseif (isset($cart_item_data['stamp'][$bundled_item_id]['quantity']) && $order_again) {
$item_quantity = $cart_item_data['stamp'][$bundled_item_id]['quantity'];
} else {
$item_quantity = $item_quantity_min;
}
// Sold individually?
$item_sold_individually = get_post_meta($id, '_sold_individually', true);
if ($item_sold_individually === 'yes' && $item_quantity > 1) {
$item_quantity = $item_quantity_min;
}
if ($item_quantity < $item_quantity_min && $item_sold_individually !== 'yes') {
wc_add_notice(sprintf(__('"%1$s" cannot be added to the cart. The quantity of "%2$s" cannot be lower than %3$d.', 'woocommerce-product-bundles'), get_the_title($product_id), $bundled_item->get_raw_title(), $item_quantity_min), 'error');
return false;
} elseif ($item_quantity > $item_quantity_max) {
wc_add_notice(sprintf(__('"%1$s" cannot be added to the cart. The quantity of "%2$s" cannot be higher than %3$d.', 'woocommerce-product-bundles'), get_the_title($product_id), $bundled_item->get_raw_title(), $item_quantity_max), 'error');
return false;
}
$quantity = $item_quantity * $product_quantity;
// If quantity is zero, continue
if ($quantity == 0) {
continue;
}
// Purchasable
if (!$bundled_item->is_purchasable()) {
wc_add_notice(sprintf(__('"%1$s" cannot be added to the cart because "%2$s" cannot be purchased at the moment.', 'woocommerce-product-bundles'), get_the_title($product_id), $bundled_item->get_raw_title()), 'error');
return false;
}
// Validate variation id
if ($bundled_product_type === 'variable') {
if (isset($cart_item_data['stamp'][$bundled_item_id]['variation_id']) && $order_again) {
$variation_id = $cart_item_data['stamp'][$bundled_item_id]['variation_id'];
} elseif (isset($_REQUEST[apply_filters('woocommerce_product_bundle_field_prefix', '', $product_id) . 'bundle_variation_id_' . $bundled_item_id])) {
$variation_id = $_REQUEST[apply_filters('woocommerce_product_bundle_field_prefix', '', $product_id) . 'bundle_variation_id_' . $bundled_item_id];
}
if (isset($variation_id) && is_numeric($variation_id) && $variation_id > 1) {
if (get_post_meta($variation_id, '_price', true) === '') {
wc_add_notice(sprintf(__('"%1$s" cannot be added to the cart. The selected variation of "%2$s" cannot be purchased.', 'woocommerce-product-bundles'), get_the_title($product_id), $bundled_item->product->get_title()), 'error');
return false;
}
// Add item for validation
$bundled_stock->add_item($id, $variation_id, $quantity);
} else {
wc_add_notice(sprintf(__('"%1$s" cannot be added to the cart. Please choose "%2$s" options…', 'woocommerce-product-bundles'), get_the_title($product_id), $bundled_item->product->get_title()), 'error');
return false;
}
// Verify all attributes for the variable product were set - TODO: verify with filters
$attributes = (array) maybe_unserialize(get_post_meta($id, '_product_attributes', true));
$variations = array();
$all_set = true;
$variation_data = array();
$custom_fields = get_post_meta($variation_id);
// Get the variation attributes from meta
foreach ($custom_fields as $name => $value) {
if (!strstr($name, 'attribute_')) {
continue;
}
$variation_data[$name] = sanitize_title($value[0]);
}
// Verify all attributes
foreach ($attributes as $attribute) {
if (!$attribute['is_variation']) {
continue;
}
$taxonomy = 'attribute_' . sanitize_title($attribute['name']);
if (!empty($_REQUEST[apply_filters('woocommerce_product_bundle_field_prefix', '', $product_id) . 'bundle_' . $taxonomy . '_' . $bundled_item_id])) {
// Get value from post data
// Don't use woocommerce_clean as it destroys sanitized characters
$value = sanitize_title(trim(stripslashes($_REQUEST[apply_filters('woocommerce_product_bundle_field_prefix', '', $product_id) . 'bundle_' . $taxonomy . '_' . $bundled_item_id])));
// Get valid value from variation
$valid_value = $variation_data[$taxonomy];
// Allow if valid
if ($valid_value == '' || $valid_value == $value) {
continue;
}
} elseif (isset($cart_item_data['stamp'][$bundled_item_id]['attributes']) && isset($cart_item_data['stamp'][$bundled_item_id]['variation_id']) && $order_again) {
$value = sanitize_title(trim(stripslashes($cart_item_data['stamp'][$bundled_item_id]['attributes'][$taxonomy])));
$valid_value = $variation_data[$taxonomy];
if ($valid_value == '' || $valid_value == $value) {
continue;
}
}
$all_set = false;
}
if (!$all_set) {
wc_add_notice(sprintf(__('"%1$s" cannot be added to the cart. Please choose "%2$s" options…', 'woocommerce-product-bundles'), get_the_title($product_id), $bundled_item->product->get_title()), 'error');
return false;
}
} elseif ($bundled_product_type === 'simple' || $bundled_product_type === 'subscription') {
// Add item for validation
$bundled_stock->add_item($id, false, $quantity);
}
if (!apply_filters('woocommerce_bundled_item_add_to_cart_validation', true, $product, $bundled_item, $quantity, $variation_id)) {
return false;
}
}
// Check stock for stock-managed bundled items
// If out of stock, don't proceed
if (false === apply_filters('woocommerce_add_to_cart_bundle_validation', $bundled_stock->validate_stock($product_id), $product_id, $bundled_stock)) {
return false;
}
// Composite Products compatibility
$woocommerce_bundles->compatibility->stock_data = $bundled_stock;
}
return $add;
}
/**
* Validates add-to-cart for bundles.
* Basically ensures that stock for all bundled products exists before attempting to add them to cart.
*
* @param boolean $add core validation add to cart flag
* @param int $product_id the product id
* @param int $product_quantity quantity
* @param mixed $variation_id variation id
* @param array $variations variation data
* @param array $cart_item_data cart item data
* @return boolean modified add to cart validation flag
*/
public function woo_bundles_validation($add, $product_id, $product_quantity, $variation_id = '', $variations = array(), $cart_item_data = array())
{
// Get product type.
$terms = get_the_terms($product_id, 'product_type');
$product_type = !empty($terms) && isset(current($terms)->name) ? sanitize_title(current($terms)->name) : 'simple';
// Ordering again?
$order_again = isset($_GET['order_again']) && isset($_GET['_wpnonce']) && wp_verify_nonce($_GET['_wpnonce'], 'woocommerce-order_again');
// prevent bundled items from getting validated - they will be added by the container item.
if (isset($cart_item_data['is_bundled']) && $order_again) {
return false;
}
if ($product_type === 'bundle') {
$product = wc_get_product($product_id);
if (!$product) {
return false;
}
if (!apply_filters('woocommerce_bundle_before_validation', true, $product)) {
return false;
}
// If a stock-managed product / variation exists in the bundle multiple times, its stock will be checked only once for the sum of all bundled quantities.
// The stock manager class keeps a record of stock-managed product / variation ids.
$bundled_stock = new WC_PB_Stock_Manager($product);
// Grab bundled items.
$bundled_items = $product->get_bundled_items();
if (!$bundled_items) {
return $add;
}
foreach ($bundled_items as $bundled_item_id => $bundled_item) {
$id = $bundled_item->product_id;
$bundled_product_type = $bundled_item->product->product_type;
// Optional.
$is_optional = $bundled_item->is_optional();
if ($is_optional) {
if (isset($cart_item_data['stamp'][$bundled_item_id]['optional_selected']) && $order_again) {
$is_optional_selected = 'yes' === $cart_item_data['stamp'][$bundled_item_id]['optional_selected'] ? true : false;
} elseif (isset($_REQUEST[apply_filters('woocommerce_product_bundle_field_prefix', '', $product_id) . 'bundle_selected_optional_' . $bundled_item_id])) {
$is_optional_selected = isset($_REQUEST[apply_filters('woocommerce_product_bundle_field_prefix', '', $product_id) . 'bundle_selected_optional_' . $bundled_item_id]);
} else {
$is_optional_selected = false;
}
}
if ($is_optional && !$is_optional_selected) {
continue;
}
// Check quantity.
$item_quantity_min = $bundled_item->get_quantity();
$item_quantity_max = $bundled_item->get_quantity('max');
if (isset($_REQUEST[apply_filters('woocommerce_product_bundle_field_prefix', '', $product_id) . 'bundle_quantity_' . $bundled_item_id]) && is_numeric($_REQUEST[apply_filters('woocommerce_product_bundle_field_prefix', '', $product_id) . 'bundle_quantity_' . $bundled_item_id])) {
$item_quantity = absint($_REQUEST[apply_filters('woocommerce_product_bundle_field_prefix', '', $product_id) . 'bundle_quantity_' . $bundled_item_id]);
} elseif (isset($cart_item_data['stamp'][$bundled_item_id]['quantity']) && $order_again) {
$item_quantity = $cart_item_data['stamp'][$bundled_item_id]['quantity'];
} else {
$item_quantity = $item_quantity_min;
}
if ($item_quantity < $item_quantity_min) {
wc_add_notice(sprintf(__('"%1$s" cannot be added to the cart. The quantity of "%2$s" cannot be lower than %3$d.', 'woocommerce-product-bundles'), get_the_title($product_id), $bundled_item->get_raw_title(), $item_quantity_min), 'error');
return false;
} elseif ($item_quantity_max && $item_quantity > $item_quantity_max) {
wc_add_notice(sprintf(__('"%1$s" cannot be added to the cart. The quantity of "%2$s" cannot be higher than %3$d.', 'woocommerce-product-bundles'), get_the_title($product_id), $bundled_item->get_raw_title(), $item_quantity_max), 'error');
return false;
}
$quantity = $item_quantity * $product_quantity;
// If quantity is zero, continue.
if ($quantity == 0) {
continue;
}
// Purchasable
if (!$bundled_item->is_purchasable()) {
wc_add_notice(sprintf(__('"%1$s" cannot be added to the cart because "%2$s" cannot be purchased at the moment.', 'woocommerce-product-bundles'), get_the_title($product_id), $bundled_item->get_raw_title()), 'error');
return false;
}
// Validate variation id.
if ($bundled_product_type === 'variable' || $bundled_product_type === 'variable-subscription') {
$variation_id = '';
if (isset($cart_item_data['stamp'][$bundled_item_id]['variation_id']) && $order_again) {
$variation_id = $cart_item_data['stamp'][$bundled_item_id]['variation_id'];
} elseif (isset($_REQUEST[apply_filters('woocommerce_product_bundle_field_prefix', '', $product_id) . 'bundle_variation_id_' . $bundled_item_id])) {
$variation_id = $_REQUEST[apply_filters('woocommerce_product_bundle_field_prefix', '', $product_id) . 'bundle_variation_id_' . $bundled_item_id];
}
if ($variation_id && is_numeric($variation_id) && $variation_id > 1) {
if (get_post_meta($variation_id, '_price', true) === '') {
wc_add_notice(sprintf(__('"%1$s" cannot be added to the cart. The selected variation of "%2$s" cannot be purchased.', 'woocommerce-product-bundles'), get_the_title($product_id), $bundled_item->product->get_title()), 'error');
return false;
}
// Add item for validation.
$bundled_stock->add_item($id, $variation_id, $quantity);
}
// Verify all attributes for the variable product were set.
$bundled_variation = wc_get_product($variation_id);
$attributes = (array) maybe_unserialize(get_post_meta($id, '_product_attributes', true));
$variation_data = array();
$missing_attributes = array();
$all_set = true;
if ($bundled_variation) {
$variation_data = $bundled_variation->variation_data;
// Verify all attributes.
foreach ($attributes as $attribute) {
if (!$attribute['is_variation']) {
continue;
}
$taxonomy = 'attribute_' . sanitize_title($attribute['name']);
if (!empty($_REQUEST[apply_filters('woocommerce_product_bundle_field_prefix', '', $product_id) . 'bundle_' . $taxonomy . '_' . $bundled_item_id])) {
if (WC_PB_Core_Compatibility::is_wc_version_gte_2_4()) {
// Get value from post data.
if ($attribute['is_taxonomy']) {
$value = sanitize_title(stripslashes($_REQUEST[apply_filters('woocommerce_product_bundle_field_prefix', '', $product_id) . 'bundle_' . $taxonomy . '_' . $bundled_item_id]));
} else {
$value = wc_clean(stripslashes($_REQUEST[apply_filters('woocommerce_product_bundle_field_prefix', '', $product_id) . 'bundle_' . $taxonomy . '_' . $bundled_item_id]));
}
} else {
// Get value from post data.
$value = sanitize_title(trim(stripslashes($_REQUEST[apply_filters('woocommerce_product_bundle_field_prefix', '', $product_id) . 'bundle_' . $taxonomy . '_' . $bundled_item_id])));
}
// Get valid value from variation.
$valid_value = $variation_data[$taxonomy];
// Allow if valid
if ($valid_value === '' || $valid_value === $value) {
continue;
}
} elseif (isset($cart_item_data['stamp'][$bundled_item_id]['attributes'][$taxonomy]) && isset($cart_item_data['stamp'][$bundled_item_id]['variation_id']) && $order_again) {
if (WC_PB_Core_Compatibility::is_wc_version_gte_2_4()) {
// Get value from post data
if ($attribute['is_taxonomy']) {
$value = sanitize_title(stripslashes($cart_item_data['stamp'][$bundled_item_id]['attributes'][$taxonomy]));
} else {
$value = wc_clean(stripslashes($cart_item_data['stamp'][$bundled_item_id]['attributes'][$taxonomy]));
}
} else {
// Get value from post data
$value = sanitize_title(trim(stripslashes($cart_item_data['stamp'][$bundled_item_id]['attributes'][$taxonomy])));
}
$valid_value = $variation_data[$taxonomy];
if ($valid_value === '' || $valid_value === $value) {
continue;
}
} else {
$missing_attributes[] = wc_attribute_label($attribute['name']);
}
$all_set = false;
}
} else {
$all_set = false;
}
if (!$all_set) {
if ($missing_attributes && WC_PB_Core_Compatibility::is_wc_version_gte_2_3()) {
$required_fields_notice = sprintf(_n('%1$s is a required "%2$s" field', '%1$s are required "%2$s" fields', sizeof($missing_attributes), 'woocommerce-product-bundles'), wc_format_list_of_items($missing_attributes), $bundled_item->product->get_title());
wc_add_notice(sprintf(__('"%1$s" cannot be added to the cart. %2$s.', 'woocommerce-product-bundles'), get_the_title($product_id), $required_fields_notice), 'error');
return false;
} else {
wc_add_notice(sprintf(__('"%1$s" cannot be added to the cart. Please choose "%2$s" options…', 'woocommerce-product-bundles'), get_the_title($product_id), $bundled_item->product->get_title()), 'error');
return false;
}
}
} elseif ($bundled_product_type === 'simple' || $bundled_product_type === 'subscription') {
// Add item for validation.
$bundled_stock->add_item($id, false, $quantity);
}
if (!apply_filters('woocommerce_bundled_item_add_to_cart_validation', true, $product, $bundled_item, $quantity, $variation_id)) {
return false;
}
}
// Check stock for stock-managed bundled items.
// If out of stock, don't proceed.
if (false === apply_filters('woocommerce_add_to_cart_bundle_validation', $bundled_stock->validate_stock(), $product_id, $bundled_stock)) {
return false;
}
// Composite Products compatibility.
WC_PB_Compatibility::$stock_data = $bundled_stock;
}
return $add;
}
