Add an hcard action

A dedicated hcard action for users. Our profile page includes
an hcard, but it's so full of other hcards that it's ambiguous which
one is the "real" one. So, this one make sense for meaning, "This is
my hcard."

actions/hcard.php

@@ -0,0 +1,120 @@
+<?php
+/**
+ * StatusNet, the distributed open-source microblogging tool
+ *
+ * Show the user's hcard
+ *
+ * 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   StatusNet
+ * @author    Evan Prodromou <evan@status.net>
+ * @copyright 2010 StatusNet, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPLv3
+ * @link      http://status.net/
+ */
+
+if (!defined('STATUSNET')) {
+    exit(1);
+}
+
+/**
+ * User profile page
+ *
+ * @category Personal
+ * @package  StatusNet
+ * @author   Evan Prodromou <evan@status.net>
+ * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPLv3
+ * @link     http://status.net/
+ */
+
+class HcardAction extends Action
+{
+    var $user;
+    var $profile;
+
+    function prepare($args)
+    {
+        parent::prepare($args);
+
+        $nickname_arg = $this->arg('nickname');
+        $nickname     = common_canonical_nickname($nickname_arg);
+
+        // Permanent redirect on non-canonical nickname
+
+        if ($nickname_arg != $nickname) {
+            $args = array('nickname' => $nickname);
+            common_redirect(common_local_url('hcard', $args), 301);
+            return false;
+        }
+
+        $this->user = User::staticGet('nickname', $nickname);
+
+        if (!$this->user) {
+            $this->clientError(_('No such user.'), 404);
+            return false;
+        }
+
+        $this->profile = $this->user->getProfile();
+
+        if (!$this->profile) {
+            $this->serverError(_('User has no profile.'));
+            return false;
+        }
+
+        return true;
+    }
+
+    function handle($args)
+    {
+        parent::handle($args);
+        $this->showPage();
+    }
+
+    function title()
+    {
+        return $this->profile->getBestName();
+    }
+
+    function showContent()
+    {
+        $up = new ShortUserProfile($this, $this->user, $this->profile);
+        $up->show();
+    }
+
+    function showHeader()
+    {
+        return;
+    }
+
+    function showAside()
+    {
+        return;
+    }
+
+    function showSecondaryNav()
+    {
+        return;
+    }
+}
+
+class ShortUserProfile extends UserProfile
+{
+    function showEntityActions()
+    {
+        return;
+    }
+}

lib/router.php

@@ -668,7 +668,7 @@ class Router
 
                 foreach (array('subscriptions', 'subscribers',
                                'all', 'foaf', 'xrds',
-                               'replies', 'microsummary') as $a) {
+                               'replies', 'microsummary', 'hcard') as $a) {
                     $m->connect($a,
                                 array('action' => $a,
                                       'nickname' => $nickname));
@@ -734,7 +734,7 @@ class Router
 
                 foreach (array('subscriptions', 'subscribers',
                                'nudge', 'all', 'foaf', 'xrds',
-                               'replies', 'inbox', 'outbox', 'microsummary') as $a) {
+                               'replies', 'inbox', 'outbox', 'microsummary', 'hcard') as $a) {
                     $m->connect(':nickname/'.$a,
                                 array('action' => $a),
                                 array('nickname' => '[a-zA-Z0-9]{1,64}'));