Update tag to use new framework

Broke up the tag action into two different actions (publictagcloud and
tag). Brought it up-to-date with the new framework, but haven't fixed it
for phpcs yet.

5 files changed, 195 insertions, 131 deletions

diff --git a/actions/publictagcloud.php b/actions/publictagcloud.php
new file mode 100644
index 000000000..ec28edbad
--- /dev/null
+++ b/actions/publictagcloud.php
@@ -0,0 +1,149 @@
+<?php
+/**
+ * Laconica, 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   Laconica
+ * @author    Mike Cochrane <mikec@mikenz.geek.nz>
+ * @author    Evan Prodromou <evan@controlyourself.ca>
+ * @copyright 2008 Mike Cochrane
+ * @copyright 2008-2009 Control Yourself, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link      http://laconi.ca/
+ */
+
+if (!defined('LACONICA')) { exit(1); }
+
+define('TAGS_PER_PAGE', 100);
+
+/**
+ * Public tag cloud for notices
+ *
+ * @category Personal
+ * @package  Laconica
+ * @author    Mike Cochrane <mikec@mikenz.geek.nz>
+ * @author    Evan Prodromou <evan@controlyourself.ca>
+ * @copyright 2008 Mike Cochrane
+ * @copyright 2008-2009 Control Yourself, Inc.
+ * @link     http://laconi.ca/
+ */
+
+class PublictagcloudAction extends Action
+{
+    function isReadOnly()
+    {
+        return true;
+    }
+
+    function title()
+    {
+        return _('Public tag cloud');
+    }
+
+    function showPageNotice()
+    {
+        $this->element('p', 'instructions',
+                       sprintf(_('These are most popular recent tags on %s '),
+                               common_config('site', 'name')));
+    }
+
+    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');
+        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');
+
+        $tags->limit(TAGS_PER_PAGE);
+
+        $cnt = $tags->find();
+
+        if ($cnt > 0) {
+            $this->elementStart('p', 'tagcloud');
+
+            $tw = array();
+            $sum = 0;
+            while ($tags->fetch()) {
+                $tw[$tags->tag] = $tags->weight;
+                $sum += $tags->weight;
+            }
+
+            ksort($tw);
+
+            foreach ($tw as $tag => $weight) {
+                $this->showTag($tag, $weight, $weight/$sum);
+            }
+
+            $this->elementEnd('p');
+        }
+    }
+
+    function showTag($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';
+        }
+
+        $this->element('a', array('class' => "$cls weight-$weight relative-$relative",
+                                  'href' => common_local_url('tag', array('tag' => $tag))),
+                       $tag);
+        $this->text(' ');
+    }
+}
diff --git a/actions/tag.php b/actions/tag.php
index 3096b75b3..039cd9660 100644
--- a/actions/tag.php
+++ b/actions/tag.php
@@ -19,154 +19,71 @@
 
 if (!defined('LACONICA')) { exit(1); }
 
-require_once(INSTALLDIR.'/actions/showstream.php');
-define('TAGS_PER_PAGE', 100);
-
-class TagAction extends StreamAction
+class TagAction extends Action
 {
-
-    function handle($args)
+    function prepare($args)
     {
+        parent::prepare($args);
+        $this->tag = $this->trimmed('tag');
 
-        parent::handle($args);
-
-        # Looks like we're good; show the header
-
-        if (isset($args['tag']) && $args['tag']) {
-            $tag = $args['tag'];
-            common_show_header(sprintf(_("Notices tagged with %s"), $tag),
-                               array($this, 'show_header'), $tag,
-                               array($this, 'show_top'));
-            $this->show_notices($tag);
-        } else {
-            common_show_header(_("Tags"),
-                               array($this, 'show_header'), '',
-                               array($this, 'show_top'));
-            $this->show_tags();
+        if (!$this->tag) {
+            common_redirect(common_local_url('publictagcloud'), 301);
+            return false;
         }
 
-        common_show_footer();
+        $this->page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;
+        return true;
     }
 
-    function show_header($tag = false)
+    function title()
     {
-        if ($tag) {
-            $this->element('link', array('rel' => 'alternate',
-                                         'href' => common_local_url('tagrss', array('tag' => $tag)),
-                                         'type' => 'application/rss+xml',
-                                         'title' => sprintf(_('Feed for tag %s'), $tag)));
+        if ($this->page == 1) {
+            return sprintf(_("Notices tagged with %s"), $this->tag);
+        } else {
+            return sprintf(_("Notices tagged with %s, page %d"),
+                           $this->tag,
+                           $this->page);
         }
     }
 
-    function get_instructions()
+    function handle($args)
     {
-        return _('Showing most popular tags from the last week');
+        parent::handle($args);
+
+        $this->showPage();
     }
 
-    function show_top($tag = false)
+    function showFeeds()
     {
-        if (!$tag) {
-            $instr = $this->get_instructions();
-            $output = common_markup_to_html($instr);
-            $this->elementStart('div', 'instructions');
-            $this->raw($output);
-            $this->elementEnd('div');
-            $this->public_views_menu();
-        }
-        else {
-            $this->show_feeds_list(array(0=>array('href'=>common_local_url('tagrss'),
-                                                  'type' => 'rss',
-                                                  'version' => 'RSS 1.0',
-                                                  'item' => 'tagrss')));
-        }
+        $this->element('link', array('rel' => 'alternate',
+                                     'href' => common_local_url('tagrss', array('tag' => $this->tag)),
+                                     'type' => 'application/rss+xml',
+                                     'title' => sprintf(_('Feed for tag %s'), $this->tag)));
     }
 
-    function show_tags()
+    function showPageNotice()
     {
-        # 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');
-        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');
-
-        # $tags->whereAdd('created > "' . strftime('%Y-%m-%d %H:%M:%S', strtotime('-1 MONTH')) . '"');
-
-        $tags->limit(TAGS_PER_PAGE);
-
-        $cnt = $tags->find();
-
-        if ($cnt > 0) {
-            $this->elementStart('p', 'tagcloud');
-
-            $tw = array();
-            $sum = 0;
-            while ($tags->fetch()) {
-                $tw[$tags->tag] = $tags->weight;
-                $sum += $tags->weight;
-            }
-
-            ksort($tw);
-
-            foreach ($tw as $tag => $weight) {
-                $this->show_tag($tag, $weight, $weight/$sum);
-            }
-
-            $this->elementEnd('p');
-        }
+        return sprintf(_('Messages tagged "%s", most recent first'), $this->tag);
     }
 
-    function show_tag($tag, $weight, $relative)
+    function showExportData()
     {
-
-        # XXX: these should probably tune to the size of the site
-        if ($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';
-        }
-
-        $this->element('a', array('class' => "$cls weight-$weight relative-$relative",
-                                  'href' => common_local_url('tag', array('tag' => $tag))),
-                       $tag);
-        $this->text(' ');
+        $fl = new FeedList($this);
+        $fl->show(array(0=>array('href'=>common_local_url('tagrss', array('tag' => $this->tag)),
+                                 'type' => 'rss',
+                                 'version' => 'RSS 1.0',
+                                 'item' => 'tagrss')));
     }
 
-    function show_notices($tag)
+    function showContent()
     {
+        $notice = Notice_tag::getStream($this->tag, (($this->page-1)*NOTICES_PER_PAGE), NOTICES_PER_PAGE + 1);
 
-        $cnt = 0;
-
-        $page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;
-
-        $notice = Notice_tag::getStream($tag, (($page-1)*NOTICES_PER_PAGE), NOTICES_PER_PAGE + 1);
+        $nl = new NoticeList($notice, $this);
 
-        $cnt = $this->show_notice_list($notice);
+        $cnt = $nl->show();
 
-        common_pagination($page > 1, $cnt > NOTICES_PER_PAGE,
-                          $page, 'tag', array('tag' => $tag));
+        $this->pagination($this->page > 1, $cnt > NOTICES_PER_PAGE,
+                          $this->page, 'tag', array('tag' => $this->tag));
     }
 }
diff --git a/htaccess.sample b/htaccess.sample
index 10e51b5b0..b0e3e93e0 100644
--- a/htaccess.sample
+++ b/htaccess.sample
@@ -76,7 +76,7 @@ RewriteRule ^message/(\d+)$ index.php?action=showmessage&message=$1 [L,QSA]
 
 RewriteRule ^user/(\d+)$ index.php?action=userbyid&id=$1 [L,QSA]
 
-RewriteRule ^tags/?$ index.php?action=tag [L,QSA]
+RewriteRule ^tags/?$ index.php?action=publictagcloud [L,QSA]
 RewriteRule ^tag/([a-zA-Z0-9]+)/rss$ index.php?action=tagrss&tag=$1 [L,QSA]
 RewriteRule ^tag(/(.*))?$ index.php?action=tag&tag=$2 [L,QSA]
 
diff --git a/lib/publicgroupnav.php b/lib/publicgroupnav.php
index 97b57ec17..8dd97a3b7 100644
--- a/lib/publicgroupnav.php
+++ b/lib/publicgroupnav.php
@@ -76,8 +76,8 @@ class PublicGroupNav extends Widget
         $this->out->menuItem(common_local_url('public'), _('Public'),
             _('Public timeline'), $action_name == 'public', 'nav_timeline_public');
 
-        $this->out->menuItem(common_local_url('tag'), _('Recent tags'),
-            _('Recent tags'), $action_name == 'tag', 'nav_recent-tags');
+        $this->out->menuItem(common_local_url('publictagcloud'), _('Recent tags'),
+            _('Recent tags'), $action_name == 'publictagcloud', 'nav_recent-tags');
 
         if (count(common_config('nickname', 'featured')) > 0) {
             $this->out->menuItem(common_local_url('featured'), _('Featured'),
diff --git a/lib/util.php b/lib/util.php
index d67c64972..73c4cdcc8 100644
--- a/lib/util.php
+++ b/lib/util.php
@@ -865,13 +865,11 @@ function common_fancy_url($action, $args=null)
      case 'avatarbynickname':
         return common_path($args['nickname'].'/avatar/'.$args['size']);
      case 'tag':
-        if (isset($args['tag']) && $args['tag']) {
-            $path = 'tag/' . $args['tag'];
-            unset($args['tag']);
-        } else {
-            $path = 'tags';
-        }
+        $path = 'tag/' . $args['tag'];
+        unset($args['tag']);
         return common_path($path . (($args) ? ('?' . http_build_query($args)) : ''));
+     case 'publictagcloud':
+        return common_path('tags');
      case 'peopletag':
         $path = 'peopletag/' . $args['tag'];
         unset($args['tag']);