Source for file AndSearch.class.php

<?php
 
require_once HARMONI."dataManager/search/MultipleCriteriaSearch.abstract.php";
 
/**
 * Takes multiple other criteria and AND's them together in the SQL query.
 *
 * @package harmoni.datamanager.search
 * 
 * @copyright Copyright &copy; 2005, Middlebury College
 * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License (GPL)
 *
 * @version $Id: AndSearch.class.php,v 1.6 2007/09/04 20:25:32 adamfranco Exp $
 */
class AndSearch extends MultipleCriteriaSearch {
    
    function returnSearchString() {
        $parts = array();
        
        // we will return the first criteria now, and then work through the rest in turn later with post-processing.
        // this is to avoid a problem with multiple AND-searches where the criteria may all be true for a given record, but not true for one single row returned describing a part of the record.
        
        /*foreach (array_keys($this->_criteria) as $key) {
            if ($string = $this->_criteria[$key]->returnSearchString()) $parts[] = $string;
        }*/
        
        if (!count($this->_criteria)) return null;
        $keys = array_keys($this->_criteria);
        return $this->_criteria[$keys[0]]->returnSearchString();
//        return "(" . implode(" AND ",$parts) . ")";
    }
    
    function postProcess($ids) {
        // let's go through index 1-n of the criteria and keep narrowing down our lsit of ids.
        $rm = Services::getService("RecordManager");
 
        $keys = array_keys($this->_criteria);
        for($i=1; $i < count($keys); $i++) {
            $ids = $rm->getRecordIDsBySearch($this->_criteria[$keys[$i]], $ids);
        }
        return $ids;
    }
    
}
 
?>