ILIAS  release_5-3 Revision v5.3.23-19-g915713cf615
class.ilMDSearch.php
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1<?php
2/*
3 +-----------------------------------------------------------------------------+
4 | ILIAS open source |
5 +-----------------------------------------------------------------------------+
6 | Copyright (c) 1998-2001 ILIAS open source, University of Cologne |
7 | |
8 | This program is free software; you can redistribute it and/or |
9 | modify it under the terms of the GNU General Public License |
10 | as published by the Free Software Foundation; either version 2 |
11 | of the License, or (at your option) any later version. |
12 | |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | GNU General Public License for more details. |
17 | |
18 | You should have received a copy of the GNU General Public License |
19 | along with this program; if not, write to the Free Software |
20 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
21 +-----------------------------------------------------------------------------+
22*/
23
37{
38 public $mode = '';
39
40 /*
41 * instance of query parser
42 */
43 public $query_parser = null;
44
45 public $db = null;
46
51 public function __construct($qp_obj)
52 {
53 global $ilDB;
54
55 $this->query_parser = $qp_obj;
56 $this->db = $ilDB;
57
58 include_once 'Services/Search/classes/class.ilSearchResult.php';
59
60 $this->search_result = new ilSearchResult();
61 }
62
69 public function setMode($a_mode)
70 {
71 $this->mode = $a_mode;
72 }
73 public function getMode()
74 {
75 return $this->mode;
76 }
77
78
79 public function &performSearch()
80 {
81 switch ($this->getMode()) {
82 case 'all':
83 break;
84 case 'keyword':
85 return $this->__searchKeywordsOnly();
86 break;
87
88 default:
89 echo "ilMDSearch::performSearch() no mode given";
90 return false;
91 }
92 }
93
94
95
96 // Private
97 public function __searchKeywordsOnly()
98 {
99 $where = " WHERE ";
100 $field = " keyword ";
101 $counter = 0;
102 foreach ($this->query_parser->getQuotedWords() as $word) {
103 if ($counter++) {
104 $where .= strtoupper($this->query_parser->getCombination());
105 }
106 $where .= $field;
107 $where .= ("LIKE (" . $ilDB->quote("%" . $word . "%") . ")");
108 }
109
110 $query = "SELECT * FROM il_meta_keyword" .
111 $where .
112 "ORDER BY meta_keyword_id DESC";
113
114 $res = $this->db->query($query);
115 while ($row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT)) {
116 $this->search_result->addEntry($row->obj_id, $row->obj_type, $row->rbac_id);
117 }
118
119 return $this->search_result;
120 }
121}
An exception for terminatinating execution or to throw for unit testing.
setMode($a_mode)
Define meta elements to search.
__construct($qp_obj)
Constructor @access public.
$counter
$query
foreach($_POST as $key=> $value) $res
global $ilDB