public static function addOmsConfUsageClientAreaPage($vars)
 {
     global $product_core_name, $product_disk_name, $product_memory_name, $oms_usage_db, $whmcs_admin_user, $whmcs_admin_password, $whmcs_api_url;
     $clientId = $_SESSION['uid'];
     if (is_numeric($clientId)) {
         $whmcsDbService = new \Opennode\Whmcs\Service\WhmcsDbService();
         $whmcsExternalService = new \Opennode\Whmcs\Service\WhmcsExternalService($whmcs_admin_user, $whmcs_admin_password, $whmcs_api_url, $oms_usage_db);
         $omsReduction = new \Opennode\Whmcs\Service\OmsReductionService($product_core_name, $product_disk_name, $product_memory_name, $oms_usage_db, $whmcsExternalService, $whmcsDbService);
         $startDate = date_sub(date_create(), date_interval_create_from_date_string("1 months"));
         $endDate = date_create();
         $confChanges = $omsReduction->findClientConfChanges($clientId, $startDate, $endDate);
         $parsedChanges = $omsReduction->parseClientConfChanges($confChanges, $clientId);
         return array("omsconfs" => $parsedChanges);
     }
 }
<?php

require "init.php";
require_once dirname(__FILE__) . '/includes/hooks/inc/oms_config.php';
require_once __DIR__ . '/Classes/Autoloader.php';
$ca = new WHMCS_ClientArea();
$ca->setPageTitle("Resource consumption summary");
$ca->addToBreadCrumb('index.php', $whmcs->get_lang('globalsystemname'));
$ca->addToBreadCrumb('oms_usage.php', 'OMS usage');
$ca->initPage();
//get parameters
$user_id = mysql_real_escape_string($_GET['user_id']);
$clientId = $_SESSION['uid'];
global $product_core_name, $product_disk_name, $product_memory_name, $oms_usage_db, $whmcs_admin_user, $whmcs_admin_password, $whmcs_api_url, $oms_usage_db;
$whmcsDbService = new \Opennode\Whmcs\Service\WhmcsDbService();
$whmcsExternalService = new \Opennode\Whmcs\Service\WhmcsExternalService($whmcs_admin_user, $whmcs_admin_password, $whmcs_api_url, $oms_usage_db);
$omsReduction = new \Opennode\Whmcs\Service\OmsReductionService($product_core_name, $product_disk_name, $product_memory_name, $oms_usage_db, $whmcsExternalService, $whmcsDbService);
$confChanges = $omsReduction->findClientConfChanges($clientId, null, null);
$parsedChanges = $omsReduction->parseClientConfChanges($confChanges, $clientId);
$ca->assign('omsconfs', $parsedChanges);
$ca->setTemplate('omsclientusage');
$ca->output();