<?php
/**
- * Laconica, the distributed open-source microblogging tool
+ * StatusNet, the distributed open-source microblogging tool
*
* Public tag cloud for notices
*
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @category Public
- * @package Laconica
+ * @package StatusNet
* @author Mike Cochrane <mikec@mikenz.geek.nz>
- * @author Evan Prodromou <evan@controlyourself.ca>
+ * @author Evan Prodromou <evan@status.net>
* @copyright 2008 Mike Cochrane
- * @copyright 2008-2009 Control Yourself, Inc.
+ * @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://laconi.ca/
+ * @link http://status.net/
*/
-if (!defined('LACONICA')) { exit(1); }
+if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
define('TAGS_PER_PAGE', 100);
* Public tag cloud for notices
*
* @category Personal
- * @package Laconica
+ * @package StatusNet
* @author Mike Cochrane <mikec@mikenz.geek.nz>
- * @author Evan Prodromou <evan@controlyourself.ca>
+ * @author Evan Prodromou <evan@status.net>
* @copyright 2008 Mike Cochrane
- * @copyright 2008-2009 Control Yourself, Inc.
- * @link http://laconi.ca/
+ * @copyright 2008-2009 StatusNet, Inc.
+ * @link http://status.net/
*/
-
class PublictagcloudAction extends Action
{
- function isReadOnly()
+ function isReadOnly(array $args=array())
{
return true;
}
function title()
{
+ // TRANS: Title for public tag cloud.
return _('Public tag cloud');
}
function showPageNotice()
{
$this->element('p', 'instructions',
- sprintf(_('These are most popular recent tags on %s '),
+ // 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')));
+ }
- $tags = new Notice_tag();
- if ($tags->count()) {
- return;
- }
-
- $message = _('Noone has posted a notice with a [hashtag](%%doc.tags%%) yet.') . ' ';
+ 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', 'blankfiller');
+ $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)
+ function handle(array $args=array())
{
parent::handle($args);
$this->showPage();
function showContent()
{
- # This should probably be cached rather than recalculated
+ // 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...
+ /*
+ * 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...
+ // Add the aggregated columns...
$tags->selectAdd('max(notice_id) as last_notice_id');
- if(common_config('db','type')=='pgsql') {
- $calc='sum(exp(-extract(epoch from (now()-created))/%s)) as weight';
- } else {
- $calc='sum(exp(-(now() - created)/%s)) as weight';
- }
- $tags->selectAdd(sprintf($calc, common_config('tag', 'dropoff')));
+ $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');
$tags->orderBy('weight DESC');
ksort($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) {
- $this->showTag($tag, $weight, $weight/$sum);
+ 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();
}
}