add 'invite-only' mode for registration

[quix0rs-gnu-social.git] / actions / tag.php

diff --git a/actions/tag.php b/actions/tag.php
index e073a4837323b1b38f38836470ed04073d2a28b9..75bf6c8bfb76267ed56850926e754f689ecfd4dc 100644 (file)
--- a/actions/tag.php
+++ b/actions/tag.php
@@ -20,7 +20,7 @@
 if (!defined('LACONICA')) { exit(1); }
 
 require_once(INSTALLDIR.'/actions/showstream.php');
-define('TAGS_PER_PAGE', 20);
+define('TAGS_PER_PAGE', 100);
 
 class TagAction extends StreamAction {
 
@@ -86,95 +86,93 @@ class TagAction extends StreamAction {
 
        function show_tags()
        {
+               # This should probably be cached rather than recalculated
                $tags = DB_DataObject::factory('Notice_tag');
-               $tags->selectAdd('count(1) as num');
+
+               #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');
+               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('num DESC');
-               $tags->whereAdd('created > "' . strftime('%Y-%m-%d %H:%M:%S', strtotime('-1 WEEK')) . '"');
+               $tags->orderBy('weight DESC');
 
-               $page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;
+               # $tags->whereAdd('created > "' . strftime('%Y-%m-%d %H:%M:%S', strtotime('-1 MONTH')) . '"');
 
-               $tags->limit((($page-1)*TAGS_PER_PAGE), TAGS_PER_PAGE + 1);
+               $tags->limit(TAGS_PER_PAGE);
 
                $cnt = $tags->find();
 
                if ($cnt > 0) {
-                       common_element_start('ul', array('id' => 'notices'));
-                       for ($i = 0; $i < min($cnt, TAGS_PER_PAGE); $i++) {
-                               if ($tags->fetch()) {
-                                       TagAction::show_tag($tags);
-                               } else {
-                                       // shouldn't happen!
-                                       break;
-                               }
+                       common_element_start('p', 'tagcloud');
+                       
+                       $tw = array();
+                       $sum = 0;
+                       while ($tags->fetch()) {
+                               $tw[$tags->tag] = $tags->weight;
+                               $sum += $tags->weight;
                        }
-                       common_element_end('ul');
-               }
 
-               common_pagination($page > 1, $cnt > TAGS_PER_PAGE,
-                                                 $page, 'tags');
-       }
+                       ksort($tw);
+                       
+                       foreach ($tw as $tag => $weight) {
+                               $this->show_tag($tag, $weight, $weight/$sum);
+                       }
 
-       private static function show_tag($tag) {
-               common_element_start('li', array('class' => 'notice_single'));
-               common_element_start('a', array(
-                                                       'class' => 'nickname',
-                                                       'href' => common_local_url('tag', array('tag' => $tag->tag)),
-                                                       'title' => sprintf(_("Notices tagged with %s"), $tag->tag)));
-               common_text('#' . $tag->tag);
-               common_element_end('a');
-               common_text(sprintf(_('%s Notices recently tagged with %s'), $tag->num, $tag->tag));
-
-               $notice = Notice::staticGet($tag->last_notice_id);
-               if ($notice) {
-                       $noticeurl = common_local_url('shownotice', array('notice' => $notice->id));
-                       common_element_start('p', 'time');
-                       common_text(_('Last message posted: '));
-                       common_element('a', array('class' => 'permalink',
-                                                                         'href' => $noticeurl,
-                                                                         'title' => common_exact_date($notice->created)),
-                                                       common_date_string($notice->created));
-
-                       common_text(_(' by '));
-                       $profile = $notice->getProfile();
-                       common_element('a', array('href' => $profile->profileurl),
-                                                  $profile->nickname);
                        common_element_end('p');
                }
-               common_element_end('li');
        }
 
+       function show_tag($tag, $weight, $relative) {
+
+               # XXX: these should probably tune to the size of the site
+               if ($relative > 0.1) {
+                       $cls =  'largest';
+               } else if ($relative > 0.05) {
+                       $cls = 'verylarge';
+               } else if ($relative > 0.02) {
+                       $cls = 'large';
+               } else if ($relative > 0.01) {
+                       $cls = 'medium';
+               } else if ($relative > 0.005) {
+                       $cls = 'small';
+               } else if ($relative > 0.002) {
+                       $cls = 'verysmall';
+               } else {
+                       $cls = 'smallest';
+               }
 
-       function show_notices($tag) {
-
-               $tags = DB_DataObject::factory('Notice_tag');
-
-               $tags->tag = $tag;
+               common_element('a', array('class' => "$cls weight-$weight relative-$relative",
+                                                                 'href' => common_local_url('tag', array('tag' => $tag))),
+                                          $tag);
+               common_text(' ');
+       }
 
-               $tags->orderBy('created DESC');
+       function show_notices($tag) {
 
+               $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');
                }