Automattic\WooCommerce\StoreApi\Utilities

OrderController::validate_selected_shipping_methods │ public │ WC 1.0

Check there is a shipping method if it requires shipping.

Method of the class: OrderController{}

No Hooks.

Returns

null. Nothing (null).

Usage

$OrderController = new OrderController();
$OrderController->validate_selected_shipping_methods( $needs_shipping, $chosen_shipping_methods );
$needs_shipping(true|false) (required)
Current order needs shipping.
$chosen_shipping_methods(array)
Array of shipping methods.
Default: array()

OrderController::validate_selected_shipping_methods() code WC 9.9.3

woocommerce/src/StoreApi/Utilities/OrderController.php 
public function validate_selected_shipping_methods( $needs_shipping, $chosen_shipping_methods = array() ) {
	if ( ! $needs_shipping ) {
		return;
	}

	$exception = new RouteException(
		'woocommerce_rest_invalid_shipping_option',
		__( 'Sorry, this order requires a shipping option.', 'woocommerce' ),
		400,
		array()
	);

	if ( ! is_array( $chosen_shipping_methods ) || empty( $chosen_shipping_methods ) ) {
		throw $exception;
	}

	// Validate that the chosen shipping methods are valid according to the returned package rates.
	$packages = WC()->shipping()->get_packages();
	foreach ( $packages as $package_id => $package ) {
		$chosen_rate_for_package    = $chosen_shipping_methods[ $package_id ];
		$valid_rate_ids_for_package = wp_list_pluck( $package['rates'], 'id' );

		if ( ! is_string( $chosen_rate_for_package ) || ! ArrayUtils::string_contains_array( $chosen_rate_for_package, $valid_rate_ids_for_package ) ) {
			throw $exception;
		}
	}
}