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Edit File: class-cartflows-pro-affiliate-wp.php

<?php /** * Affiliate wp. * * @package CARTFLOWS */ if ( ! defined( 'ABSPATH' ) ) { exit; // Exit if accessed directly. } /** * Class Cartflows_Pro_Utils. */ class Cartflows_Pro_Affiliate_Wp { /** * Member Variable * * @var instance */ private static $instance; /** * Initiator */ public static function get_instance() { if ( ! isset( self::$instance ) ) { self::$instance = new self(); } return self::$instance; } /** * Constructor */ public function __construct() { add_action( 'cartflows_offer_accepted', array( $this, 'add_offer_affiliate' ), 10, 2 ); } /** * Add upsell/downsell affiliate to order * * @param object $order order data. * @param object $offer_product offer product data. * @return void */ public function add_offer_affiliate( $order, $offer_product ) { if ( ! defined( 'WOOCOMMERCE_CHECKOUT' ) ) { define( 'WOOCOMMERCE_CHECKOUT', true ); } if ( class_exists( 'Affiliate_WP_WooCommerce' ) ) { $afw_woo = new Affiliate_WP_WooCommerce(); $order_id = ''; if ( is_object( $order ) ) { if ( ! wcf_pro()->utils->is_separate_offer_order() ) { $order_id = $order->get_id(); } else { // Get last placed child order ID. $order_id = end( array_keys( $order->get_meta( '_cartflows_offer_child_orders' ) ) ); } $afw_woo->add_pending_referral( $order_id ); } } } } /** * Prepare if class 'Cartflows_Pro_Affiliate_Wp' exist. * Kicking this off by calling 'get_instance()' method */ Cartflows_Pro_Affiliate_Wp::get_instance();