X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=actions%2Fpublictagcloud.php;h=db8185bb13d8a7eb142b0b9a29621d9a4eab12a8;hb=76004660e9138b94668263769d4b10cfb1e77955;hp=e7f6ee36c736552bc33817bf5018940ea0e1d254;hpb=39598582d90eab2a8abaf2ca01bcad6cb09d2c73;p=quix0rs-gnu-social.git

diff --git a/actions/publictagcloud.php b/actions/publictagcloud.php
index e7f6ee36c7..db8185bb13 100644
--- a/actions/publictagcloud.php
+++ b/actions/publictagcloud.php
@@ -44,7 +44,6 @@ define('TAGS_PER_PAGE', 100);
  * @copyright 2008-2009 StatusNet, Inc.
  * @link     http://status.net/
  */
-
 class PublictagcloudAction extends Action
 {
     function isReadOnly($args)
@@ -54,24 +53,37 @@ class PublictagcloudAction extends Action
 
     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')));
     }
 
     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!');
         }
 
@@ -80,12 +92,6 @@ class PublictagcloudAction extends Action
         $this->elementEnd('div');
     }
 
-    function showLocalNav()
-    {
-        $nav = new PublicGroupNav($this);
-        $nav->show();
-    }
-
     function handle($args)
     {
         parent::handle($args);
@@ -94,7 +100,7 @@ class PublictagcloudAction extends Action
 
     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
@@ -105,12 +111,11 @@ class PublictagcloudAction extends Action
 
         #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');
 
@@ -131,16 +136,17 @@ class PublictagcloudAction extends Action
 
             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();