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
|
<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
* Public tag cloud for 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 StatusNet
* @author Mike Cochrane <mikec@mikenz.geek.nz>
* @author Evan Prodromou <evan@status.net>
* @copyright 2008 Mike Cochrane
* @copyright 2008-2009 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
define('TAGS_PER_PAGE', 100);
/**
* Public tag cloud for notices
*
* @category Personal
* @package StatusNet
* @author Mike Cochrane <mikec@mikenz.geek.nz>
* @author Evan Prodromou <evan@status.net>
* @copyright 2008 Mike Cochrane
* @copyright 2008-2009 StatusNet, Inc.
* @link http://status.net/
*/
class PublictagcloudAction extends Action
{
function isReadOnly($args)
{
return true;
}
function title()
{
// TRANS: Title for public tag cloud.
return _('Public tag cloud');
}
function showPageNotice()
{
$this->element('p', 'instructions',
// TRANS: Instructions (more used like an explanation/header).
// TRANS: %s is the StatusNet sitename.
sprintf(_('These are most popular recent tags on %s'),
common_config('site', 'name')));
}
function showEmptyList()
{
// TRANS: This message contains a Markdown URL. The link description is between
// TRANS: square brackets, and the link between parentheses. Do not separate "]("
// TRANS: and do not change the URL part.
$message = _('No one has posted a notice with a [hashtag](%%doc.tags%%) yet.') . ' ';
if (common_logged_in()) {
// TRANS: Message shown to a logged in user for the public tag cloud
// TRANS: while no tags exist yet. "One" refers to the non-existing hashtag.
$message .= _('Be the first to post one!');
}
else {
// TRANS: Message shown to a anonymous user for the public tag cloud
// TRANS: while no tags exist yet. "One" refers to the non-existing hashtag.
// TRANS: This message contains a Markdown URL. The link description is between
// TRANS: square brackets, and the link between parentheses. Do not separate "]("
// TRANS: and do not change the URL part.
$message .= _('Why not [register an account](%%action.register%%) and be the first to post one!');
}
$this->elementStart('div', 'guide');
$this->raw(common_markup_to_html($message));
$this->elementEnd('div');
}
function showLocalNav()
{
$nav = new PublicGroupNav($this);
$nav->show();
}
function handle($args)
{
parent::handle($args);
$this->showPage();
}
function showContent()
{
# This should probably be cached rather than recalculated
$tags = new Notice_tag();
#Need to clear the selection and then only re-add the field
#we are grouping by, otherwise it's not a valid 'group by'
#even though MySQL seems to let it slide...
$tags->selectAdd();
$tags->selectAdd('tag');
#Add the aggregated columns...
$tags->selectAdd('max(notice_id) as last_notice_id');
$calc = common_sql_weight('created', common_config('tag', 'dropoff'));
$cutoff = sprintf("notice_tag.created > '%s'",
common_sql_date(time() - common_config('tag', 'cutoff')));
$tags->selectAdd($calc . ' as weight');
$tags->whereAdd($cutoff);
$tags->groupBy('tag');
$tags->orderBy('weight DESC');
$tags->limit(TAGS_PER_PAGE);
$cnt = $tags->find();
if ($cnt > 0) {
$this->elementStart('div', array('id' => 'tagcloud',
'class' => 'section'));
$tw = array();
$sum = 0;
while ($tags->fetch()) {
$tw[$tags->tag] = $tags->weight;
$sum += $tags->weight;
}
ksort($tw);
$this->elementStart('dl');
$this->element('dt', null, _('Tag cloud'));
$this->elementStart('dd');
$this->elementStart('ul', 'tags xoxo tag-cloud');
foreach ($tw as $tag => $weight) {
if ($sum) {
$weightedSum = $weight/$sum;
} else {
$weightedSum = 0.5;
}
$this->showTag($tag, $weight, $weightedSum);
}
$this->elementEnd('ul');
$this->elementEnd('dd');
$this->elementEnd('dl');
$this->elementEnd('div');
} else {
$this->showEmptyList();
}
}
function showTag($tag, $weight, $relative)
{
if ($relative > 0.1) {
$rel = 'tag-cloud-7';
} else if ($relative > 0.05) {
$rel = 'tag-cloud-6';
} else if ($relative > 0.02) {
$rel = 'tag-cloud-5';
} else if ($relative > 0.01) {
$rel = 'tag-cloud-4';
} else if ($relative > 0.005) {
$rel = 'tag-cloud-3';
} else if ($relative > 0.002) {
$rel = 'tag-cloud-2';
} else {
$rel = 'tag-cloud-1';
}
$this->elementStart('li', $rel);
$this->element('a', array('href' => common_local_url('tag', array('tag' => $tag))),
$tag);
$this->elementEnd('li');
}
}
|
