WooCommerce Bookings: Keep the booking in cart if the order fails

gistfile1.txt

/*
  Removes "schedule_failed_order_event" handler which marks the booking as unpaid after 
  an order fails and expires the booking after an hour. 
  
  In place of the above handle, the below snippet adds a custom handler that updates the booking status to "in-cart"
  such that customer can retry payment for the booking.

*/

remove_action('woocommerce_order_status_failed', 'schedule_failed_order_event');
add_action('woocommerce_order_status_failed', 'handle_failed_order_event_for_bookings');

function handle_failed_order_event_for_bookings( $order_id ){
	$booking_ids = WC_Booking_Data_Store::get_booking_ids_from_order_id( $order_id );
		if ( empty( $booking_ids ) ) {
			return;
		}

	$args = array(
			'order_id'    => $order_id,
			'booking_ids' => $booking_ids,
	);

	$order = wc_get_order( $order_id );
		if ( ! is_a( $order, 'WC_Order' )
			|| 'failed' !== $order->get_status()
			|| empty( $booking_ids ) ) {
			return;
		}

		foreach ( $booking_ids as $booking_id ) {
			$booking = get_wc_booking( $booking_id );
			$booking->set_status( 'in-cart' );
			$booking->save();
		}
}