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sphinx search of people
[quix0rs-gnu-social.git] / actions / peoplesearch.php
1 <?php
2 /*
3  * Laconica - a distributed open-source microblogging tool
4  * Copyright (C) 2008, Controlez-Vous, Inc.
5  *
6  * This program is free software: you can redistribute it and/or modify
7  * it under the terms of the GNU Affero General Public License as published by
8  * the Free Software Foundation, either version 3 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU Affero General Public License for more details.
15  *
16  * You should have received a copy of the GNU Affero General Public License
17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
18  */
19
20 if (!defined('LACONICA')) { exit(1); }
21
22 require_once(INSTALLDIR.'/lib/searchaction.php');
23 require_once(INSTALLDIR.'/lib/profilelist.php');
24
25 class PeoplesearchAction extends SearchAction {
26
27         function get_instructions() {
28                 return _('Search for people on %%site.name%% by their name, location, or interests. ' .
29                                   'Separate the terms by spaces; they must be 3 characters or more.');
30         }
31
32         function get_title() {
33                 return _('People search');
34         }
35
36         function show_results($q, $page) {
37
38                 $profile = new Profile();
39
40                 # lcase it for comparison
41                 $q = strtolower($q);
42
43         $search_engine = $profile->getSearchEngine();
44
45         $search_engine->query($q);
46
47                 # Ask for an extra to see if there's more.
48         $search_engine->limit((($page-1)*PROFILES_PER_PAGE), PROFILES_PER_PAGE + 1);
49
50                 $cnt = $profile->find();
51
52                 if ($cnt > 0) {
53                         $terms = preg_split('/[\s,]+/', $q);
54                         $results = new PeopleSearchResults($profile, $terms);
55                         $results->show_list();
56                 } else {
57                         common_element('p', 'error', _('No results'));
58                 }
59
60                 $profile->free();
61                 
62                 common_pagination($page > 1, $cnt > PROFILES_PER_PAGE,
63                                                   $page, 'peoplesearch', array('q' => $q));
64         }
65 }
66
67 class PeopleSearchResults extends ProfileList {
68
69         var $terms = NULL;
70         var $pattern = NULL;
71         
72         function __construct($profile, $terms) {
73                 parent::__construct($profile);
74                 $this->terms = array_map('preg_quote', 
75                                                                  array_map('htmlspecialchars', $terms));
76                 $this->pattern = '/('.implode('|',$terms).')/i';
77         }
78         
79         function highlight($text) {
80                 return preg_replace($this->pattern, '<strong>\\1</strong>', htmlspecialchars($text));
81         }
82 }