class.ilForumSearch.php

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<?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. |
        +-----------------------------------------------------------------------------+
*/

include_once 'Services/Search/classes/class.ilAbstractSearch.php';

class ilForumSearch extends ilAbstractSearch
{
        function ilForumSearch(&$query_parser)
        {
                parent::ilAbstractSearch($query_parser);
        }

        function &performSearch()
        {
                // Search in topic titles, posting title, posting
                
                // First: search topics:
                $this->setFields(array('thr_subject'));

                $and = $this->__createTopicAndCondition();
                $locate = $this->__createLocateString();

                $query = "SELECT thr_pk,top_frm_fk frm_id ".
                        $locate.
                        "FROM  frm_threads,frm_data ".
                        "WHERE top_pk = thr_top_fk ".
                        $and;

                $res = $this->db->query($query);
                
                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        #$thread_post = $row->thr_pk.'_0';
                        $thread_post = $row->thr_pk;
                        $this->search_result->addEntry($row->frm_id,'frm',$this->__prepareFound($row),$thread_post);
                }

                // First: search post title, content:
                $this->setFields(array('pos_subject','pos_message'));

                $and = $this->__createPostAndCondition();
                $locate = $this->__createLocateString();

                $query = "SELECT top_frm_fk frm_id,pos_thr_fk,pos_pk ".
                        $locate.
                        "FROM  frm_posts,frm_data ".
                        "WHERE pos_top_fk = top_pk ".
                        $and;
                        
                $res = $this->db->query($query);
                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        #$thread_post = $row->pos_thr_fk.'_'.$row->pos_pk;
                        $thread_post = $row->pos_thr_fk;
                        $this->search_result->addEntry($row->frm_id,'frm',$this->__prepareFound($row),$thread_post);
                }
                return $this->search_result;
        }

        function __createAndCondition()
        {
                echo "Overwrite me!";
        }

}
?>