diff -r 5b37998e522e -r 162c1de6545a web/lib/Zend/Feed/Pubsubhubbub/Model/Subscription.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/Feed/Pubsubhubbub/Model/Subscription.php	Fri Mar 11 15:05:35 2011 +0100
@@ -0,0 +1,135 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Feed_Pubsubhubbub
+ * @subpackage Entity
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: Subscription.php 22507 2010-06-30 19:11:27Z ramon $
+ */
+
+/** @see Zend_Feed_Pubsubhubbub_Model_ModelAbstract */
+require_once 'Zend/Feed/Pubsubhubbub/Model/ModelAbstract.php';
+
+/** @see Zend_Feed_Pubsubhubbub_Model_SubscriptionInterface */
+require_once 'Zend/Feed/Pubsubhubbub/Model/SubscriptionInterface.php';
+
+/** @see Zend_Date */
+require_once 'Zend/Date.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Feed_Pubsubhubbub
+ * @subpackage Entity
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Feed_Pubsubhubbub_Model_Subscription
+    extends Zend_Feed_Pubsubhubbub_Model_ModelAbstract
+    implements Zend_Feed_Pubsubhubbub_Model_SubscriptionInterface
+{
+
+    /**
+     * Save subscription to RDMBS
+     *
+     * @param array $data
+     * @return bool
+     */
+    public function setSubscription(array $data)
+    {
+        if (!isset($data['id'])) {
+            require_once 'Zend/Feed/Pubsubhubbub/Exception.php';
+            throw new Zend_Feed_Pubsubhubbub_Exception(
+                'ID must be set before attempting a save'
+            );
+        }
+        $result = $this->_db->find($data['id']);
+        if (count($result)) {
+            $data['created_time'] = $result->current()->created_time;
+            $now = new Zend_Date;
+            if (isset($data['lease_seconds'])) {
+                $data['expiration_time'] = $now->add($data['lease_seconds'], Zend_Date::SECOND)
+                ->get('yyyy-MM-dd HH:mm:ss');
+            }
+            $this->_db->update(
+                $data,
+                $this->_db->getAdapter()->quoteInto('id = ?', $data['id'])
+            );
+            return false;
+        }
+
+        $this->_db->insert($data);
+        return true;
+    }
+
+    /**
+     * Get subscription by ID/key
+     *
+     * @param  string $key
+     * @return array
+     */
+    public function getSubscription($key)
+    {
+        if (empty($key) || !is_string($key)) {
+            require_once 'Zend/Feed/Pubsubhubbub/Exception.php';
+            throw new Zend_Feed_Pubsubhubbub_Exception('Invalid parameter "key"'
+                .' of "' . $key . '" must be a non-empty string');
+        }
+        $result = $this->_db->find($key);
+        if (count($result)) {
+            return $result->current()->toArray();
+        }
+        return false;
+    }
+
+    /**
+     * Determine if a subscription matching the key exists
+     *
+     * @param  string $key
+     * @return bool
+     */
+    public function hasSubscription($key)
+    {
+        if (empty($key) || !is_string($key)) {
+            require_once 'Zend/Feed/Pubsubhubbub/Exception.php';
+            throw new Zend_Feed_Pubsubhubbub_Exception('Invalid parameter "key"'
+                .' of "' . $key . '" must be a non-empty string');
+        }
+        $result = $this->_db->find($key);
+        if (count($result)) {
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Delete a subscription
+     *
+     * @param string $key
+     * @return bool
+     */
+    public function deleteSubscription($key)
+    {
+        $result = $this->_db->find($key);
+        if (count($result)) {
+            $this->_db->delete(
+                $this->_db->getAdapter()->quoteInto('id = ?', $key)
+            );
+            return true;
+        }
+        return false;
+    }
+
+}