erLhcoreClassModelUser::__get PHP Method

    public function __get($param)
    {
        switch ($param) {
            case 'name_support':
                return $this->chat_nickname != '' ? trim($this->chat_nickname) : trim($this->name_official);
                break;
            case 'name_official':
                $this->name_official = trim($this->name . ' ' . $this->surname);
                $this->name_official = $this->name_official != '' ? $this->name_official : $this->chat_nickname;
                return $this->name_official;
                break;
            case 'user_groups_id':
                $userGroups = erLhcoreClassModelGroupUser::getList(array('filter' => array('user_id' => $this->id)));
                $this->user_groups_id = array();
                if (!empty($userGroups)) {
                    foreach ($userGroups as $userGroup) {
                        $this->user_groups_id[] = $userGroup->group_id;
                    }
                }
                return $this->user_groups_id;
                break;
            case 'lastactivity':
                $db = ezcDbInstance::get();
                $stmt = $db->prepare('SELECT last_activity FROM lh_userdep WHERE user_id = :user_id LIMIT 1');
                $stmt->bindValue(':user_id', $this->id, PDO::PARAM_INT);
                $stmt->execute();
                $this->lastactivity = (int) $stmt->fetchColumn();
                return $this->lastactivity;
                break;
            case 'has_photo':
                return $this->filename != '';
                break;
            case 'photo_path':
                $this->photo_path = ($this->filepath != '' ? erLhcoreClassSystem::instance()->wwwDir() : erLhcoreClassSystem::instance()->wwwImagesDir()) . '/' . $this->filepath . $this->filename;
                return $this->photo_path;
                break;
            case 'file_path_server':
                return $this->filepath . $this->filename;
                break;
            case 'lastactivity_front':
                $this->lastactivity_front = '';
                if ($this->lastactivity > 0) {
                    $this->lastactivity_front = date(erLhcoreClassModule::$dateDateHourFormat);
                }
                return $this->lastactivity_front;
                break;
            case 'lastactivity_ago':
                $this->lastactivity_ago = '';
                if ($this->lastactivity > 0) {
                    $periods = array("s.", "m.", "h.", "d.", "w.", "m.", "y.", "dec.");
                    $lengths = array("60", "60", "24", "7", "4.35", "12", "10");
                    $difference = time() - $this->lastactivity;
                    for ($j = 0; $difference >= $lengths[$j] && $j < count($lengths) - 1; $j++) {
                        $difference /= $lengths[$j];
                    }
                    $difference = round($difference);
                    $this->lastactivity_ago = "{$difference} {$periods[$j]}";
                }
                return $this->lastactivity_ago;
                break;
            default:
                break;
        }
    }