Prevent Easy Digital Downloads discounts from being cached by W3TC

edd-w3tc-fix-discount.php

<?php
/**
 * Plugin Name:	EDD W3TC Fix Discount Codes
 * Plugin URI:	http://gravityview.co
 * Description:	Fix discount code caching issues for Easy Digital Downloads when using W3 Total Cache
 * Version:	1.1
 */

if( function_exists( 'wp_suspend_cache_addition' ) ) {

	add_action('edd_pre_update_discount', 'w3tc_fix_edd_discount_pre');
	add_action('edd_pre_insert_discount', 'w3tc_fix_edd_discount_pre');
	add_action('edd_pre_delete_discount', 'w3tc_fix_edd_discount_pre');
	add_action('edd_pre_update_discount_status', 'w3tc_fix_edd_discount_pre');
	add_action('edd_pre_remove_cart_discount', 'w3tc_fix_edd_discount_pre');
	
	function w3tc_fix_edd_discount_pre() {
		wp_suspend_cache_addition(true);
	}


	add_action('edd_post_update_discount', 'w3tc_fix_edd_discount_post');
	add_action('edd_post_insert_discount', 'w3tc_fix_edd_discount_post');
	add_action('edd_post_delete_discount', 'w3tc_fix_edd_discount_post');
	add_action('edd_post_update_discount_status', 'w3tc_fix_edd_discount_post');
	add_action('edd_post_remove_cart_discount', 'w3tc_fix_edd_discount_post');
	
	function w3tc_fix_edd_discount_post() {
		wp_suspend_cache_addition();
	}

}