Get all sub-accounts for a parent user in MemberPress Corporate Accounts

memberpress-corporate-all-sub-accounts.php

<?php

/**
 * Plugin Name: MemberPress Corporate Sub Account Shortcode
 * Plugin URI: https://gist.github.com/X-Raym/a2c5a2eb05b9be3c04ee9972876aa2df/edit
 * Description: AMemberPress Corporate Sub Account Shortcode
 * Author: X-Raym
 * Author URI: https://www.extremraym.com/
 * License: GNU AGPLv3
 * License URI: http://www.gnu.org/licenses/agpl-3.0.html
 * Date: 2020-07-09
 * Version: 1.0.2
 */

add_shortcode( 'membepress_coporate_subs', 'memberpress_corporate_subs_shortcode' );

function memberpress_corporate_subs_shortcode( $atts, $tag ) {
	if ( ! ( class_exists( 'MeprUtils' ) && class_exists( 'MPCA_Corporate_Account' ) && class_exists( 'MeprUser' ) ) )
		return "Memberclass or Memberclass corporate add-on is not installed.";
		
	$user = MeprUtils::get_currentuserinfo();
	$sub_user_ids = memberpress_get_current_user_corporate_subs( $user );
	
	$output = '';
	if( is_array($sub_user_ids) && !empty($sub_user_ids)) {
	  $output .= '<h2>Your Sub Account Users</h2><ul>';
	  foreach($sub_user_ids as $user_id) {
		$user = new MeprUser($user_id);
		$output .=  '<li>' . $user->user_login . '</li>';
	  }
	  $output .=  '</ul>';
	} else {
          $output .= '<p>' . $sub_user_ids . '</p>';
        }
		
	return $output;
	
}
		
function memberpress_get_current_user_corporate_subs( $user ) {
	
	$sub_user_ids = array();

	if($user !== false) {
	  $transactions = $user->active_product_subscriptions('transactions');

	  if(!empty($transactions)) {
		foreach($transactions as $txn) {
		  if(($sub = $txn->subscription()) !== false) {
			//Recurring subscription
			$ca = MPCA_Corporate_Account::find_corporate_account_by_obj_id($sub->id, 'subscriptions');
		  }
		  else {
			//Non Recurring subscription
			$ca = MPCA_Corporate_Account::find_corporate_account_by_obj_id($txn->id, 'transactions');
		  }

		  if(!empty($ca) && isset($ca->id) && !empty($ca->id)) {
			$sub_users = $ca->sub_users();

			foreach($sub_users as $key => $user) {
			  //$sub_user_ids[$key] = $user->ID;
                          array_push ($sub_users, $user->ID);
			}
		  }
		}

		$sub_user_ids = array_unique($sub_user_ids);
		  if( empty($sub_user_ids) ) {
			  $sub_user_ids = 'No Sub User IDs';
		  }
	  } else {
		  $sub_user_ids = 'Transaction is empty for this user.';
	  }
	} else {
		$sub_user_ids = 'Invalid User Paramater.';
	}
	
	return $sub_user_ids;
}