luos/workflow/engine/methods/cases/proxyCasesList.php

<?php
if (!isset($_SESSION['USER_LOGGED'])) {
    $responseObject = new stdclass();
    $responseObject->error = G::LoadTranslation('ID_LOGIN_AGAIN');
    $responseObject->success = true;
    $responseObject->lostSession = true;
    print G::json_encode($responseObject);
    die();
}


$filter = new InputFilter();
$_GET = $filter->xssFilterHard($_GET);
$_REQUEST = $filter->xssFilterHard($_REQUEST);
$_SESSION['USER_LOGGED'] = $filter->xssFilterHard($_SESSION['USER_LOGGED']);

//Getting the extJs parameters
$callback = isset($_REQUEST["callback"]) ? $_REQUEST["callback"] : "stcCallback1001";
//This default value was defined in casesList.js
$dir = isset($_REQUEST["dir"]) ? $_REQUEST["dir"] : "DESC";
//This default value was defined in casesList.js
$sort = isset($_REQUEST["sort"]) ? $_REQUEST["sort"] : "APP_NUMBER";
$start = isset($_REQUEST["start"]) ? $_REQUEST["start"] : "0";
$limit = isset($_REQUEST["limit"]) ? $_REQUEST["limit"] : "25";
$filter = isset($_REQUEST["filter"]) ? $_REQUEST["filter"] : "";
$process = isset($_REQUEST["process"]) ? $_REQUEST["process"] : "";
$category = isset($_REQUEST["category"]) ? $_REQUEST["category"] : "";
$status = isset($_REQUEST["status"]) ? strtoupper($_REQUEST["status"]) : "";
$filterStatus = isset($_REQUEST["filterStatus"]) ? strtoupper($_REQUEST["filterStatus"]) : "";
$user = isset($_REQUEST["user"]) ? $_REQUEST["user"] : "";
$search = isset($_REQUEST["search"]) ? $_REQUEST["search"] : "";
$action = isset($_GET["action"]) ? $_GET["action"] : (isset($_REQUEST["action"]) ? $_REQUEST["action"] : "todo");
$type = isset($_GET["type"]) ? $_GET["type"] : (isset($_REQUEST["type"]) ? $_REQUEST["type"] : "extjs");
$dateFrom = isset($_REQUEST["dateFrom"]) ? substr($_REQUEST["dateFrom"], 0, 10) : "";
$dateTo = isset($_REQUEST["dateTo"]) ? substr($_REQUEST["dateTo"], 0, 10) : "";
$first = isset($_REQUEST["first"]) ? true : false;
$openApplicationUid = (isset($_REQUEST['openApplicationUid']) && $_REQUEST['openApplicationUid'] != '') ?
    $_REQUEST['openApplicationUid'] : null;

$search = (!is_null($openApplicationUid)) ? $openApplicationUid : $search;

if ($sort == 'CASE_SUMMARY' || $sort == 'CASE_NOTES_COUNT') {
    $sort = 'APP_NUMBER';//DEFAULT VALUE
}
if ($sort == 'APP_STATUS_LABEL') {
    $sort = 'APP_STATUS';
}

try {
    $userUid = (isset($_SESSION["USER_LOGGED"]) && $_SESSION["USER_LOGGED"] != "") ? $_SESSION["USER_LOGGED"] : null;
    $result = "";

    switch ($action) {
        case "search":
        case "to_reassign":
            if ($first) {
                $result['totalCount'] = 0;
                $result['data'] = array();
                $result = G::json_encode($result);
                echo $result;
                return;
            }
            $user = ($user == "CURRENT_USER") ? $userUid : $user;
            $userUid = $user;
            break;
        default:
            break;
    }

    $apps = new Applications();

    if ($action == 'search') {
        $data = $apps->searchAll(
            $userUid,
            $start,
            $limit,
            $search,
            $process,
            $filterStatus,
            $dir,
            $sort,
            $category,
            $dateFrom,
            $dateTo
        );
    } else {
        $data = $apps->getAll(
            $userUid,
            $start,
            $limit,
            $action,
            $filter,
            $search,
            $process,
            $filterStatus,
            $type,
            $dateFrom,
            $dateTo,
            $callback,
            $dir,
            (strpos($sort, ".") !== false) ? $sort : "APP_CACHE_VIEW." . $sort,
            $category
        );
    }

    $data['data'] = \ProcessMaker\Util\DateTime::convertUtcToTimeZone($data['data']);
    $result = G::json_encode($data);
    echo $result;
} catch (Exception $e) {
    $msg = array("error" => $e->getMessage());
    echo G::json_encode($msg);
}