<?php
/*
	+-----------------------------------------------------------------------------+
	| ILIAS open source                                                           |
	+-----------------------------------------------------------------------------+
	| Copyright (c) 1998-2001 ILIAS open source, University of Cologne            |
	|                                                                             |
	| 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. |
	+-----------------------------------------------------------------------------+
*/

/**
* Class ilForumSearch
*
* Performs Mysql Like search in object_data title and description
*
* @author Stefan Meyer <smeyer@databay.de>
* @version $Id: class.ilLikeForumSearch.php,v 1.1 2005/07/19 12:06:14 smeyer Exp $
* 
* @package ilias-search
*
*/
include_once 'Services/Search/classes/class.ilForumSearch.php';

class ilLikeForumSearch extends ilForumSearch
{

	/**
	* Constructor
	* @access public
	*/
	function ilForumSearch(&$qp_obj)
	{
		parent::ilForumSearch($qp_obj);
	}


	function __createPostAndCondition()
	{
		$concat  = " CONCAT(";
		$concat .= 'pos_message,pos_subject';
		$concat .= ") ";

		$and = "  AND ( ";
		$counter = 0;
		foreach($this->query_parser->getQuotedWords() as $word)
		{
			if($counter++)
			{
				$and .= " OR";
			}
			$and .= $concat;
			$and .= ("LIKE ('%".$word."%')");
		}
		return $and.") ";
	}

	function __createTopicAndCondition()
	{
		$field = 'thr_subject ';

		$and = " AND( ";

		$counter = 0;
		foreach($this->query_parser->getQuotedWords() as $word)
		{
			if($counter++)
			{
				$and .= " OR ";
			}
			$and .= $field;
			$and .= ("LIKE ('%".$word."%')");
		}
		return $and." ) ";
	}
}
?>
