<?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) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 * @version    $Id: Subscription.php 24593 2012-01-05 20:35:02Z matthew $

 */

/** @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) 2005-2012 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;

    }

}