Award MyCRED Points for membership check outs and renewals.

pmpromyCRED.php

<?php
/**
 * Add MyCRED points to whenever a user checksout for a PMPro Membership Level.
 * Allows different points per membership level.
 * Allows different points amount for membership renewals.
 * Add this code below to your PMPro Customizations Plugin - http://www.paidmembershipspro.com/create-a-plugin-for-pmpro-customizations/
 * MyCRED can be downloaded/configured here: https://wordpress.org/plugins/mycred/
 * Any questions, please feel free to visit www.paidmembershipspro.com
 */

//MyCRED add points for certain levels.
function pmpro_add_mycred_points( $user_id, $morder ) {
	global $wpdb;

	//default values for myCred
	$reference = 'pmpro_after_checkout';
	$point_amount = 5;
	$entry = 'PMPro Registration/Renewal';

	$points_per_level = true; //set this to false to skip different points per level.
	$points_for_renewal = true; //set this to false to skip different points for renewal.
	$level_checkout = $_REQUEST['level']; //get what level a user is checking out for


	//change values awarded for membership level checkout ( case value is equivalent to membership ID )
	if( $points_per_level ) {
		switch ( $level_checkout ) {
			case '1':
				$point_amount = 15;
				break;

			case '2':
				$point_amount = 20;
				break;

			case '3':
				$point_amount = 100;
				break;
		}
	}
	
	if( $points_for_renewal ){
		//check if the user is renewing for a particular level
		$sqlQuery = "SELECT membership_id FROM $wpdb->pmpro_membership_orders WHERE user_id = '" . $user_id . "' ORDER BY timestamp DESC LIMIT 2";

		$res = $wpdb->get_results( $sqlQuery );

		//get second last order from user
		$second_order = $res[1]->membership_id;

		//assume a user is checking out for the same level (regardless of what level they are renewing)
		if( !empty($second_order) ){
			if( $second_order === $level_checkout ){
				$point_amount = 500;	
			}
		}
	}
	//add credits to mycred account.
	mycred_add( $reference, $user_id, $point_amount, $entry );
}

add_action( 'pmpro_after_checkout', 'pmpro_add_mycred_points', 10, 2 );

// Update the Confirmation Message with MyCRED Balance
function pmpromyCRED_pmpro_confirmation_message( $message ) {
	global $current_user;

		if( !function_exists( 'pmpro_add_mycred_points' ) ){
			return $message;
		}
	
		$message .= '<hr /><h3>Points Awarded</h3>' . do_shortcode( '[mycred_history time="today" user_id="current"]' ) . '<hr />';

		return $message;
}
add_filter("pmpro_confirmation_message", "pmpromyCRED_pmpro_confirmation_message", 10, 1 );