advancedSearchUtil.inc
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<?php
/**
* $Id$
*
* Business logic used to perform advanced search. Advanced search allows
* users to search by meta data types.
*
* Copyright (c) 2003 Jam Warehouse http://www.jamwarehouse.com
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* @version $Revision$
* @author Rob Cherry, Jam Warehouse (Pty) Ltd, South Africa
* @package search
*/
/**
* Interrogates the posted variables for the chosen metadata tags
*/
function getChosenMetaDataTags($aVariables) {
$aKeys = array_keys($aVariables);
$aTagIDs = array();
for ($i = 0; $i < count($aKeys); $i++) {
$sRowStart = $aKeys[$i];
$pos = strcmp("adv_search_start", $sRowStart);
if ($pos == 0) {
$i++;
$sRowStart = $aKeys[$i];
while ((strcmp("adv_search_end", $sRowStart) != 0) && ($i < count($aKeys))) {
$aTagIDs[count($aTagIDs)] = $aVariables[$aKeys[$i]];
$i++;
$sRowStart = $aKeys[$i];
}
}
}
if (count($aTagIDs) > 1) {
return implode(",",$aTagIDs);
}
return $aTagIDs[0];
}
/*
* Generate a string that can be used in a SQL query
* from the list of documents the user is allowed to see
*/
function getSQLSearchString($sSearchString) {
$aWords = explode(" ", $sSearchString);
$sSQLSearchString;
for ($i = 0; $i < count($aWords) - 1; $i++) {
$sSQLSearchString .= "(DFL.value LIKE '%" . $aWords[$i] . "%') OR ";
}
$sSQLSearchString .= "(DFL.value LIKE '%" . $aWords[count($aWords) -1] . "%')";
return $sSQLSearchString;
}
?>