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
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
|
<?php
/**
* Laconica, the distributed open-source microblogging tool
*
* List of popular notices
*
* PHP version 5
*
* LICENCE: 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/>.
*
* @category Public
* @package Laconica
* @author Zach Copley <zach@controlyourself.ca>
* @author Evan Prodromou <evan@controlyourself.ca>
* @copyright 2008-2009 Control Yourself, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://laconi.ca/
*/
if (!defined('LACONICA')) {
exit(1);
}
require_once INSTALLDIR.'/lib/publicgroupnav.php';
require_once INSTALLDIR.'/lib/noticelist.php';
/**
* List of popular notices
*
* We provide a list of the most popular notices. Popularity
* is measured by
*
* @category Personal
* @package Laconica
* @author Zach Copley <zach@controlyourself.ca>
* @author Evan Prodromou <evan@controlyourself.ca>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://laconi.ca/
*/
class FavoritedAction extends Action
{
var $page = null;
/**
* Title of the page
*
* @return string Title of the page
*/
function title()
{
if ($this->page == 1) {
return _('Popular notices');
} else {
return sprintf(_('Popular notices, page %d'), $this->page);
}
}
/**
* Instructions for use
*
* @return instructions for use
*/
function getInstructions()
{
return _('The most popular notices on the site right now.');
}
/**
* Is this page read-only?
*
* @return boolean true
*/
function isReadOnly()
{
return true;
}
/**
* Take arguments for running
*
* @param array $args $_REQUEST args
*
* @return boolean success flag
*
* @todo move queries from showContent() to here
*/
function prepare($args)
{
parent::prepare($args);
$this->page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;
common_set_returnto($this->selfUrl());
return true;
}
/**
* Handle request
*
* Shows a page with list of favorite notices
*
* @param array $args $_REQUEST args; handled in prepare()
*
* @return void
*/
function handle($args)
{
parent::handle($args);
$this->showPage();
}
/**
* Show the page notice
*
* Shows instructions for the page
*
* @return void
*/
function showPageNotice()
{
$instr = $this->getInstructions();
$output = common_markup_to_html($instr);
$this->elementStart('div', 'instructions');
$this->raw($output);
$this->elementEnd('div');
$favorite = new Fave;
if ($favorite->count()) {
return;
}
$message = _('Favorite notices appear on this page but noone has favorited one yet.') . ' ';
if (common_logged_in()) {
$message .= _('Be the first to add a notice to your favorites by clicking the fave button next to any notice you like.');
}
else {
$message .= _('Why not [register an account](%%action.register%%) and be the first to add a notice to your favorites!');
}
$this->elementStart('div', 'guide');
$this->raw(common_markup_to_html($message));
$this->elementEnd('div');
}
/**
* Local navigation
*
* This page is part of the public group, so show that.
*
* @return void
*/
function showLocalNav()
{
$nav = new PublicGroupNav($this);
$nav->show();
}
/**
* Content area
*
* Shows the list of popular notices
*
* @return void
*/
function showContent()
{
if (common_config('db', 'type') == 'pgsql') {
$weightexpr='sum(exp(-extract(epoch from (now() - fave.modified)) / %s))';
} else {
$weightexpr='sum(exp(-(now() - fave.modified) / %s))';
}
$qry = 'SELECT notice.*, '.
$weightexpr . ' as weight ' .
'FROM notice JOIN fave ON notice.id = fave.notice_id ' .
'GROUP BY id,profile_id,uri,content,rendered,url,created,notice.modified,reply_to,is_local,source ' .
'ORDER BY weight DESC';
$offset = ($this->page - 1) * NOTICES_PER_PAGE;
$limit = NOTICES_PER_PAGE + 1;
if (common_config('db', 'type') == 'pgsql') {
$qry .= ' LIMIT ' . $limit . ' OFFSET ' . $offset;
} else {
$qry .= ' LIMIT ' . $offset . ', ' . $limit;
}
$notice = Memcached_DataObject::cachedQuery('Notice',
sprintf($qry, common_config('popular', 'dropoff')),
600);
$nl = new NoticeList($notice, $this);
$cnt = $nl->show();
$this->pagination($this->page > 1, $cnt > NOTICES_PER_PAGE,
$this->page, 'favorited');
}
}
|
