public static function calc_line_taxes() {
		check_ajax_referer( 'calc-totals', 'security' );

		if ( ! current_user_can( 'edit_shop_orders' ) || ! isset( $_POST['order_id'], $_POST['items'] ) ) {
			wp_die( -1 );
		}

		$order_id           = absint( $_POST['order_id'] );
		$calculate_tax_args = array(
			'country'  => isset( $_POST['country'] ) ? wc_strtoupper( wc_clean( wp_unslash( $_POST['country'] ) ) ) : '',
			'state'    => isset( $_POST['state'] ) ? wc_strtoupper( wc_clean( wp_unslash( $_POST['state'] ) ) ) : '',
			'postcode' => isset( $_POST['postcode'] ) ? wc_strtoupper( wc_clean( wp_unslash( $_POST['postcode'] ) ) ) : '',
			'city'     => isset( $_POST['city'] ) ? wc_strtoupper( wc_clean( wp_unslash( $_POST['city'] ) ) ) : '',
		);

		// Parse the jQuery serialized items.
		$items = array();
		parse_str( wp_unslash( $_POST['items'] ), $items ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized

		// Save order items first.
		wc_save_order_items( $order_id, $items );

		// Grab the order and recalculate taxes.
		$order = wc_get_order( $order_id );
		$order->calculate_taxes( $calculate_tax_args );
		$order->calculate_totals( false );
		include 'admin/meta-boxes/views/html-order-items.php';
		wp_die();
	}