Add an action to show the list of the latest groups

actions/groups.php

@@ -0,0 +1,117 @@
+<?php
+/**
+ * Laconica, the distributed open-source microblogging tool
+ *
+ * Latest groups information
+ *
+ * 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  Personal
+ * @package   Laconica
+ * @author    Evan Prodromou <evan@controlyourself.ca>
+ * @author    Sarven Capadisli <csarven@controlyourself.ca>
+ * @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);
+}
+
+require_once INSTALLDIR.'/lib/grouplist.php';
+
+/**
+ * Latest groups
+ *
+ * Show the latest groups on the site
+ *
+ * @category Personal
+ * @package  Laconica
+ * @author   Evan Prodromou <evan@controlyourself.ca>
+ * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link     http://laconi.ca/
+ */
+
+class GroupsAction extends Action
+{
+    var $page = null;
+    var $profile = null;
+
+    function title()
+    {
+        if ($this->page == 1) {
+            return _("Groups");
+        } else {
+            return sprintf(_("Groups, page %d"), $this->page);
+        }
+    }
+
+    function prepare($args)
+    {
+        parent::prepare($args);
+        $this->page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;
+        return true;
+    }
+
+    function handle($args)
+    {
+        parent::handle($args);
+        $this->showPage();
+    }
+
+    function showLocalNav()
+    {
+        $nav = new PublicGroupNav($this);
+        $nav->show();
+    }
+
+    function showPageNotice()
+    {
+        $notice =
+          sprintf(_('%%%%site.name%%%% groups let you find and talk with ' .
+                    'people of similar interests. After you join a group ' .
+                    'you can send messages to all other members using the ' .
+                    'syntax "!groupname". Don\'t see a group you like? Try ' .
+                    '[searching for one](%%%%action.groupsearch%%%%) or ' .
+                    '[start your own!](%%%%action.newgroup%%%%)'));
+        $this->elementStart('div', 'instructions');
+        $this->raw(common_markup_to_html($notice));
+        $this->elementEnd('div');
+    }
+
+    function showContent()
+    {
+        $this->element('a', array('href' => common_local_url('newgroup'),
+                                  'id' => 'new_group'),
+                       _('Create a new group'));
+
+        $offset = ($this->page-1) * GROUPS_PER_PAGE;
+        $limit =  GROUPS_PER_PAGE + 1;
+
+        $groups = new User_group();
+        $groups->orderBy('created DESC');
+        $groups->limit($offset, $limit);
+
+        if ($groups->find()) {
+            $gl = new GroupList($groups, null, $this);
+            $cnt = $gl->show();
+        }
+
+        $this->pagination($this->page > 1, $cnt > GROUPS_PER_PAGE,
+                          $this->page, 'groups');
+    }
+}

htaccess.sample

@@ -93,6 +93,7 @@ RewriteRule ^group/([a-zA-Z0-9]+)/members index.php?action=groupmembers&nickname
 RewriteRule ^group/([0-9]+)/id index.php?action=groupbyid&id=$1 [L,QSA]
 RewriteRule ^group/([a-zA-Z0-9]+)/rss index.php?action=grouprss&nickname=$1 [L,QSA]
 RewriteRule ^group/([a-zA-Z0-9]+)$ index.php?action=showgroup&nickname=$1 [L,QSA]
+RewriteRule ^group$ index.php?action=groups [L,QSA]
 
 # Twitter-compatible API rewrites
 # XXX: Surely these can be refactored a little -- Zach

lib/publicgroupnav.php

@@ -76,6 +76,9 @@ 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('groups'), _('Groups'),
+            _('User groups'), $action_name == 'groups', 'nav_groups');
+
         $this->out->menuItem(common_local_url('publictagcloud'), _('Recent tags'),
             _('Recent tags'), $action_name == 'publictagcloud', 'nav_recent-tags');
 

lib/util.php

@@ -945,6 +945,8 @@ function common_fancy_url($action, $args=null)
         return common_path('group/'.$args['nickname'].'/members');
      case 'usergroups':
         return common_path($args['nickname'].'/groups');
+     case 'groups':
+        return common_path('group');
      default:
         return common_simple_url($action, $args);
     }