Source for file ContentSearch.class.php

<?php
/**
 * @package harmoni.osid_v2.repository.search
 * 
 * @copyright Copyright &copy; 2005, Middlebury College
 * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License (GPL)
 *
 * @version $Id: ContentSearch.class.php,v 1.8 2007/09/04 20:25:47 adamfranco Exp $
 */
 
require_once(dirname(__FILE__)."/SearchModule.interface.php");
 
/**
 * Return assets of the specified type
 *
 * @package harmoni.osid_v2.repository.search
 * 
 * @copyright Copyright &copy; 2005, Middlebury College
 * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License (GPL)
 *
 * @version $Id: ContentSearch.class.php,v 1.8 2007/09/04 20:25:47 adamfranco Exp $
 */
 
class ContentSearch
    extends SearchModuleInterface {
    
    /**
     * Constructor
     * 
     * @param object $dr 
     * @return object 
     * @access public
     * @since 11/2/04
     */
    function ContentSearch ( $dr ) {
        $this->_dr =$dr;
    }
    
    
        
    /**
     * Get the ids of the assets that match the search criteria
     * 
     * @param mixed $searchCriteria 
     * @return array 
     * @access public
     * @since 11/2/04
     */
    function searchAssets ( $searchCriteria ) {
        $matchingIds = array();
        
        // Get All the assets
        $criteria = new FieldValueSearch("edu.middlebury.harmoni.repository.asset_content","Content", new Blob($searchCriteria), SEARCH_TYPE_CONTAINS);
        
        $recordMgr = Services::getService("RecordManager");
        $recordIDs = $recordMgr->getRecordIDsBySearch($criteria);
 
        $groupIds = array();
        foreach  ($recordIDs as $id) {
            $recordSetIds =$recordMgr->getRecordSetIDsContainingID($id);
            $groupIds = array_merge($groupIds, $recordSetIds);
        }
                
        $groupIds = array_unique($groupIds);
                
        $idManager = Services::getService("Id");
        
        foreach ($groupIds as $id) {
            $matchingIds[] =$idManager->getId($id);
        }
                
        // Return the array
        return $matchingIds;
    }
    
}
 
?>