1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
|
<?php
/**
* Notice search action class.
*
* PHP version 5
*
* @category Action
* @package Laconica
* @author Evan Prodromou <evan@controlyourself.ca>
* @author Robin Millette <millette@controlyourself.ca>
* @author Sarven Capadisli <csarven@controlyourself.ca>
* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
* @link http://laconi.ca/
*
* Laconica - a distributed open-source microblogging tool
* Copyright (C) 2008, Control Yourself, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
if (!defined('LACONICA')) {
exit(1);
}
require_once INSTALLDIR.'/lib/searchaction.php';
/**
* Notice search action class.
*
* @category Action
* @package Laconica
* @author Evan Prodromou <evan@controlyourself.ca>
* @author Robin Millette <millette@controlyourself.ca>
* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
* @link http://laconi.ca/
* @todo common parent for people and content search?
*/
class NoticesearchAction extends SearchAction
{
function prepare($args)
{
parent::prepare($args);
common_set_returnto($this->selfUrl());
return true;
}
/**
* Get instructions
*
* @return string instruction text
*/
function getInstructions()
{
return _('Search for notices on %%site.name%% by their contents. Separate search terms by spaces; they must be 3 characters or more.');
}
/**
* Get title
*
* @return string title
*/
function title()
{
return _('Text search');
}
function getFeeds()
{
$q = $this->trimmed('q');
if (!$q) {
return null;
}
return array(new Feed(Feed::RSS1, common_local_url('noticesearchrss',
array('q' => $q)),
sprintf(_('Search results for "%s" on %s'),
$q, common_config('site', 'name'))));
}
/**
* Show results
*
* @param string $q search query
* @param integer $page page number
*
* @return void
*/
function showResults($q, $page)
{
$notice = new Notice();
$search_engine = $notice->getSearchEngine('identica_notices');
$search_engine->set_sort_mode('chron');
// Ask for an extra to see if there's more.
$search_engine->limit((($page-1)*NOTICES_PER_PAGE), NOTICES_PER_PAGE + 1);
if (false === $search_engine->query($q)) {
$cnt = 0;
} else {
$cnt = $notice->find();
}
if ($cnt === 0) {
$this->element('p', 'error', _('No results.'));
$this->searchSuggestions($q);
if (common_logged_in()) {
$message = sprintf(_('Be the first to [post on this topic](%%%%action.newnotice%%%%?status_textarea=%s)!'), urlencode($q));
}
else {
$message = sprintf(_('Why not [register an account](%%%%action.register%%%%) and be the first to [post on this topic](%%%%action.newnotice%%%%?status_textarea=%s)!'), urlencode($q));
}
$this->elementStart('div', 'guide');
$this->raw(common_markup_to_html($message));
$this->elementEnd('div');
return;
}
$terms = preg_split('/[\s,]+/', $q);
$nl = new SearchNoticeList($notice, $this, $terms);
$cnt = $nl->show();
$this->pagination($page > 1, $cnt > NOTICES_PER_PAGE,
$page, 'noticesearch', array('q' => $q));
}
}
class SearchNoticeList extends NoticeList {
function __construct($notice, $out=null, $terms)
{
parent::__construct($notice, $out);
$this->terms = $terms;
}
function newListItem($notice)
{
return new SearchNoticeListItem($notice, $this->out, $this->terms);
}
}
class SearchNoticeListItem extends NoticeListItem {
function __construct($notice, $out=null, $terms)
{
parent::__construct($notice, $out);
$this->terms = $terms;
}
function showContent()
{
// FIXME: URL, image, video, audio
$this->out->elementStart('p', array('class' => 'entry-content'));
if ($this->notice->rendered) {
$this->out->raw($this->highlight($this->notice->rendered, $this->terms));
} else {
// XXX: may be some uncooked notices in the DB,
// we cook them right now. This should probably disappear in future
// versions (>> 0.4.x)
$this->out->raw($this->highlight(common_render_content($this->notice->content, $this->notice), $this->terms));
}
$this->out->elementEnd('p');
}
/**
* Highlist query terms
*
* @param string $text notice text
* @param array $terms terms to highlight
*
* @return void
*/
function highlight($text, $terms)
{
/* Highligh search terms */
$options = implode('|', array_map('preg_quote', array_map('htmlspecialchars', $terms),
array_fill(0, sizeof($terms), '/')));
$pattern = "/($options)/i";
$result = preg_replace($pattern, '<strong>\\1</strong>', $text);
/* Remove highlighting from inside links, loop incase multiple highlights in links */
$pattern = '/(href="[^"]*)<strong>('.$options.')<\/strong>([^"]*")/iU';
do {
$result = preg_replace($pattern, '\\1\\2\\3', $result, -1, $count);
} while ($count);
return $result;
}
}
|
