require_once(INSTALLDIR.'/actions/showstream.php');
define('TAGS_PER_PAGE', 100);
-define('AGE_FACTOR', 864000.0);
class TagAction extends StreamAction {
}
function show_header($tag = false) {
- if (false && $tag) {
+ if ($tag) {
common_element('link', array('rel' => 'alternate',
'href' => common_local_url('tagrss', array('tag' => $tag)),
'type' => 'application/rss+xml',
common_element_start('div', 'instructions');
common_raw($output);
common_element_end('div');
+ $this->public_views_menu();
}
-
- common_element_start('ul', array('id' => 'nav_views'));
-
- common_menu_item(common_local_url('tags'),
- _('Recent Tags'),
- _('Recent Tags'),
- !$tag);
- if ($tag) {
- common_menu_item(common_local_url('tag', array('tag' => $tag)),
- '#' . $tag,
- sprintf(_("Notices tagged with %s"), $tag),
- true);
- }
- common_element_end('ul');
}
function show_tags()
{
# This should probably be cached rather than recalculated
$tags = DB_DataObject::factory('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');
- $tags->selectAdd(sprintf('sum(exp(-(now() - created)/%f)) as weight', AGE_FACTOR));
+ 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')));
$tags->groupBy('tag');
$tags->orderBy('weight DESC');
$sum += $tags->weight;
}
+ ksort($tw);
+
foreach ($tw as $tag => $weight) {
$this->show_tag($tag, $weight, $weight/$sum);
}
function show_notices($tag) {
- $tags = DB_DataObject::factory('Notice_tag');
-
- $tags->tag = $tag;
-
- $tags->orderBy('created DESC');
-
+ $cnt = 0;
+
$page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;
- $tags->limit((($page-1)*NOTICES_PER_PAGE), NOTICES_PER_PAGE + 1);
-
- $cnt = $tags->find();
+ $notice = Notice_tag::getStream($tag, (($page-1)*NOTICES_PER_PAGE), NOTICES_PER_PAGE + 1);
- if ($cnt > 0) {
+ if ($notice) {
common_element_start('ul', array('id' => 'notices'));
- for ($i = 0; $i < min($cnt, NOTICES_PER_PAGE); $i++) {
- if ($tags->fetch()) {
- $notice = new Notice();
- $notice->id = $tags->notice_id;
- $result = $notice->find(true);
- if (!$result) {
- continue;
- }
- $this->show_notice($notice);
- } else {
- // shouldn't happen!
+ while ($notice->fetch()) {
+ $cnt++;
+ if ($cnt > NOTICES_PER_PAGE) {
break;
}
+ $this->show_notice($notice);
}
common_element_end('ul');
}