Automatic AR Affiliates

mp-automatic-affiliates.php

<?php

/*
Plugin Name: Entrepreneurs Are Affiliates
Plugin URI: http://www.vincereed.com/
Description: This plugin enables and disables a user to be an affiliate based on whether or not they have purchased the Entrepreneur product. Affiliate status is double-checked every time a transaction is made.
Version: 1.0
Author: Pixel Jar
Author URI: http://www.pixeljar.net
*/

/**
 * Copyright (c) 2013 Pixel Jar. All rights reserved.
 *
 * Released under the GPL license
 * http://www.opensource.org/licenses/gpl-license.php
 *
 * This is an add-on for WordPress
 * http://wordpress.org/
 *
 * **********************************************************************
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 * **********************************************************************
 */

add_action( 'mepr-txn-store', 'mp_check_affiliate' );
function mp_check_affiliate( MeprTransaction $txn ) {

	// $this->id, $this->amount, $this->user_id, $this->product_id, $this->txn_type, $this->status, $this->coupon_id, $this->response, $this->trans_num, $this->subscription_id, $this->gateway, $this->created_at, $this->expires_at
	$product = get_posts( array( 'post_type' => 'memberpressproduct', 'name' => 'entrepreneur', 'posts_per_page' => 1 ) );

	// This transaction is for an Entrepreneur
	if( $product[0]->ID != $txn->product_id )
		return;

	// The transaction is complete, make this user an affiliate
	if( $txn->status == 'complete' ) :
		update_user_meta( $txn->user_id, 'wafp_is_affiliate', '1' );

	// The transaction failed, revoke affiliate privileges
	else :
		update_user_meta( $txn->user_id, 'wafp_is_affiliate', '0' );
	endif;

}