File: /var/www/html/ielts-store/wp-content/plugins/automatewoo/includes/Actions/Order_Update_Meta.php
<?php
// phpcs:ignoreFile
namespace AutomateWoo;
if ( ! defined( 'ABSPATH' ) ) exit;
/**
 * @class Action_Order_Update_Meta
 */
class Action_Order_Update_Meta extends Action {
	public $required_data_items = [ 'order' ];
	function load_admin_details() {
		$this->title       = __( 'Update Custom Field', 'automatewoo' );
		$this->group       = __( 'Order', 'automatewoo' );
		$this->description = __( 'This action can add or update an order\'s custom field.', 'automatewoo' );
	}
	function load_fields() {
		$meta_key = ( new Fields\Text() )
			->set_name('meta_key')
			->set_title(__('Key', 'automatewoo'))
			->set_variable_validation()
			->set_required();
		$meta_value = ( new Fields\Text() )
			->set_name( 'meta_value' )
			->set_title( __('Value', 'automatewoo') )
			->set_variable_validation();
		$this->add_field($meta_key);
		$this->add_field($meta_value);
	}
	function run() {
		if ( ! $order = $this->workflow->data_layer()->get_order() ) {
			return;
		}
		$meta_key   = trim( $this->get_option( 'meta_key', true ) );
		$meta_value = $this->get_option( 'meta_value', true );
		// Make sure there is a meta key but a value is not required
		if ( $meta_key ) {
			$order->update_meta_data( $meta_key, $meta_value );
			$order->save();
		}
	}
}