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
{
    public 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 = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT)) {
            #$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 = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT)) {
            #$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;
    }

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