Maintenance::_restore PHP Method

    private function _restore()
    {
        $this->user->restrict('Admin.Maintenance.Add');
        if ($this->input->get('restore')) {
            if ($this->config->item('maintenance_mode') !== '1') {
                $this->alert->set('warning', sprintf($this->lang->line('alert_warning_maintenance'), 'restore'));
            } else {
                if ($this->Maintenance_model->restoreDatabase($this->input->get('restore'))) {
                    // calls model to save data to SQL
                    $this->alert->set('success', sprintf($this->lang->line('alert_success'), 'Database restored '));
                } else {
                    $this->alert->set('warning', sprintf($this->lang->line('alert_error_nothing'), 'restored'));
                }
            }
            return TRUE;
        }
    }