ActivityController::item PHP Метод

    public function item($ActivityID = 0)
    {
        $this->addJsFile('activity.js');
        $this->title(t('Activity Item'));
        if (!is_numeric($ActivityID) || $ActivityID < 0) {
            $ActivityID = 0;
        }
        $this->ActivityData = $this->ActivityModel->getWhere(array('ActivityID' => $ActivityID));
        // Check visibility.
        $userid = val('NotifyUserID', $this->ActivityData->firstRow());
        switch ($userid) {
            case ActivityModel::NOTIFY_PUBLIC:
                // Carry on!
                break;
            case ActivityModel::NOTIFY_MODS:
                if (!checkPermission('Garden.Moderation.Manage')) {
                    throw permissionException();
                }
                break;
            case ActivityModel::NOTIFY_ADMIN:
                if (!checkPermission('Garden.Settings.Manage')) {
                    throw permissionException();
                }
                break;
            default:
                // Actual userid.
                if (!checkPermission('Garden.Community.Manage') && Gdn::Session()->UserID !== $userid) {
                    throw permissionException();
                }
                break;
        }
        $this->setData('Comments', $this->ActivityModel->getComments(array($ActivityID)));
        $this->setData('Activities', $this->ActivityData);
        $this->render();
    }