class.ilLMContentSearch.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 ilLMContentSearch extends ilAbstractSearch
{

        function ilLMContentSearch(&$query_parser)
        {
                global $ilDB;

                parent::ilAbstractSearch($query_parser);
        }

        function &performSearch()
        {
                $this->setFields(array('content'));

                $in = $this->__createInStatement();
                $where = $this->__createWhereCondition();
                $locate = $this->__createLocateString();

                $query = "SELECT page_id,parent_id,parent_type ".
                        $locate.
                        "FROM page_object, lm_data ".
                        $where.
                        "AND obj_id = page_id ".
                        $in;
                        
                
                $res = $this->db->query($query);
                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        // workaround to get term ids for definition ids (which is not the same!!!)
                        if ($row->parent_type == "gdf")
                        {
                                // it is not a page id anymore now, it is a term id
                                include_once("./Modules/Glossary/classes/class.ilGlossaryDefinition.php");
                                $row->page_id = ilGlossaryDefinition::_lookupTermId($row->page_id);
                        }

                        $this->search_result->addEntry($row->parent_id,$row->parent_type,$this->__prepareFound($row),$row->page_id);
                }

                return $this->search_result;
        }



        // Protected can be overwritten in Like or Fulltext classes
        function __createInStatement()
        {
                global $ilDB;
                
                if(!$this->getFilter() and !$this->getIdFilter())
                {
                        return '';
                }
                
                $in = '';
                if($this->getFilter())
                {
                        $type = "('";
                        $type .= implode("','",$this->getFilter());
                        $type .= "')";
                        
                        $in = " AND parent_type IN ".$type.' ';

                }
                if($this->getIdFilter())
                {
                        $in .= ' AND ';
                        $in .= $ilDB->in('parent_id',$this->getIdFilter(),false,'integer');
                }
                return $in;
        }

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

}
?>