Add analytics
[bus.git] / busui / owa / modules / base / metrics / visitDuration.php
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<?php
 
//
// Open Web Analytics - An Open Source Web Analytics Framework
//
// Copyright 2006 Peter Adams. All rights reserved.
//
// Licensed under GPL v2.0 http://www.gnu.org/copyleft/gpl.html
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// $Id$
//
 
/**
 * Visit Duration metric
 * 
 * @author      Peter Adams <peter@openwebanalytics.com>
 * @copyright   Copyright &copy; 2006 Peter Adams <peter@openwebanalytics.com>
 * @license     http://www.gnu.org/copyleft/gpl.html GPL v2.0
 * @category    owa
 * @package     owa
 * @version             $Revision$            
 * @since               owa 1.3.0
 */
 
class owa_visitDuration extends owa_metric {
 
        function __construct() {
        
                $this->setName('visitDuration');
                $this->setLabel('Avg. Visit Duration');
                $this->setEntity('base.session');
                $this->setSelect(sprintf("round(avg(%s.last_req - %s.timestamp))", $this->entity->getTableAlias(), $this->entity->getTableAlias()));
                $this->setDataType('timestamp');
                
                return parent::__construct();
        }
}
 
?>