<?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.
//
// $Id$
//

if(!class_exists('owa_observer')) {
    require_once(OWA_BASE_DIR.'owa_observer.php');
}

/**
 * OWA Operating System Event handlers
 * 
 * @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_osHandlers extends owa_observer {

    /**
     * Notify Event Handler
     *
     * @param     unknown_type $event
     * @access     public
     */
    function notify( $event ) {

        if ( $event->get( 'os' ) ) {

            $os = owa_coreAPI::entityFactory( 'base.os' );

            $os->getByColumn( 'id', owa_lib::setStringGuid( $event->get( 'os' ) ) );

            if ( ! $os->get( 'id' ) ) {

                $os->set( 'name', $event->get( 'os' ) );

                $os->set( 'id', owa_lib::setStringGuid( $event->get( 'os' ) ) );

                $ret = $os->create();

                if ( $ret ) {

                    return OWA_EHS_EVENT_HANDLED;

                } else {

                    return OWA_EHS_EVENT_FAILED;
                }

            } else {

                owa_coreAPI::debug('Not persisting. Operating system already exists.');

                return OWA_EHS_EVENT_HANDLED;
            }

        } else {

            owa_coreAPI::debug('Not persisting. Operating system not present.');

            return OWA_EHS_EVENT_HANDLED;
        }
    }
}

?>