$limit = isset($_POST["limit"]) ? filter_var($_POST["limit"], FILTER_SANITIZE_NUMBER_INT) : 100;
$um->retrieveThread($thread_id, $offset, $limit);
break;
case "retrieveThreadNew":
require_once "../framework2/UserMgmt.php";
$um = new UserMgmt();
$thread_id = isset($_POST["thread_id"]) ? filter_var($_POST["thread_id"], FILTER_SANITIZE_STRING) : null;
$override = isset($_POST["override"]) ? filter_var($_POST["override"], FILTER_SANITIZE_NUMBER_INT) : 0;
$um->retrieveThreadNew($thread_id, $override);
break;
case "appendMessage":
require_once "../framework2/UserMgmt.php";
$um = new UserMgmt();
$thread_id = isset($_POST["thread_id"]) ? filter_var($_POST["thread_id"], FILTER_SANITIZE_STRING) : null;
$message_content = isset($_POST["message"]) ? htmlentities($_POST["message"]) : null;
$um->appendMessage($thread_id, $message_content, true, true);
break;
case "deleteThread":
require_once "../framework2/UserMgmt.php";
$um = new UserMgmt();
$thread_id = isset($_POST["thread_id"]) ? filter_var($_POST["thread_id"], FILTER_SANITIZE_STRING) : null;
$um->deleteThread($thread_id);
break;
case "hasNewMessages":
require_once "../framework2/UserMgmt.php";
$um = new UserMgmt();
$um->hasNewMessages();
break;
case "markThreadAsRead":
require_once "../framework2/UserMgmt.php";
$um = new UserMgmt();
