<?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_Service

 * @subpackage Technorati

 * @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: CosmosResultSet.php 20096 2010-01-06 02:05:09Z bkarwin $

 */

/**

 * @see Zend_Service_Technorati_ResultSet

 */

require_once 'Zend/Service/Technorati/ResultSet.php';

/**

 * Represents a Technorati Cosmos query result set.

 *

 * @category   Zend

 * @package    Zend_Service

 * @subpackage Technorati

 * @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_Service_Technorati_CosmosResultSet extends Zend_Service_Technorati_ResultSet

{

    /**

     * Technorati weblog url, if queried URL is a valid weblog.

     *

     * @var     Zend_Uri_Http

     * @access  protected

     */

    protected $_url;

    /**

     * Technorati weblog, if queried URL is a valid weblog.

     *

     * @var     Zend_Service_Technorati_Weblog

     * @access  protected

     */

    protected $_weblog;

    /**

     * Number of unique blogs linking this blog

     *

     * @var     integer

     * @access  protected

     */

    protected $_inboundBlogs;

    /**

     * Number of incoming links to this blog

     *

     * @var     integer

     * @access  protected

     */

    protected $_inboundLinks;

    /**

     * Parses the search response and retrieve the results for iteration.

     *

     * @param   DomDocument $dom    the ReST fragment for this object

     * @param   array $options      query options as associative array

     */

    public function __construct(DomDocument $dom, $options = array())

    {

        parent::__construct($dom, $options);

        $result = $this->_xpath->query('/tapi/document/result/inboundlinks/text()');

        if ($result->length == 1) $this->_inboundLinks = (int) $result->item(0)->data;

        $result = $this->_xpath->query('/tapi/document/result/inboundblogs/text()');

        if ($result->length == 1) $this->_inboundBlogs = (int) $result->item(0)->data;

        $result = $this->_xpath->query('/tapi/document/result/weblog');

        if ($result->length == 1) {

            /**

             * @see Zend_Service_Technorati_Weblog

             */

            require_once 'Zend/Service/Technorati/Weblog.php';

            $this->_weblog = new Zend_Service_Technorati_Weblog($result->item(0));

        }

        $result = $this->_xpath->query('/tapi/document/result/url/text()');

        if ($result->length == 1) {

            try {

                // fetched URL often doens't include schema

                // and this issue causes the following line to fail

                $this->_url = Zend_Service_Technorati_Utils::normalizeUriHttp($result->item(0)->data);

            } catch(Zend_Service_Technorati_Exception $e) {

                if ($this->getWeblog() instanceof Zend_Service_Technorati_Weblog) {

                    $this->_url = $this->getWeblog()->getUrl();

                }

            }

        }

        $this->_totalResultsReturned  = (int) $this->_xpath->evaluate("count(/tapi/document/item)");

        // total number of results depends on query type

        // for now check only getInboundLinks() and getInboundBlogs() value

        if ((int) $this->getInboundLinks() > 0) {

            $this->_totalResultsAvailable = $this->getInboundLinks();

        } elseif ((int) $this->getInboundBlogs() > 0) {

            $this->_totalResultsAvailable = $this->getInboundBlogs();

        } else {

            $this->_totalResultsAvailable = 0;

        }

    }

    /**

     * Returns the weblog URL.

     *

     * @return  Zend_Uri_Http

     */

    public function getUrl() {

        return $this->_url;

    }

    /**

     * Returns the weblog.

     *

     * @return  Zend_Service_Technorati_Weblog

     */

    public function getWeblog() {

        return $this->_weblog;

    }

    /**

     * Returns number of unique blogs linking this blog.

     *

     * @return  integer the number of inbound blogs

     */

    public function getInboundBlogs()

    {

        return $this->_inboundBlogs;

    }

    /**

     * Returns number of incoming links to this blog.

     *

     * @return  integer the number of inbound links

     */

    public function getInboundLinks()

    {

        return $this->_inboundLinks;

    }

    /**

     * Implements Zend_Service_Technorati_ResultSet::current().

     *

     * @return Zend_Service_Technorati_CosmosResult current result

     */

    public function current()

    {

        /**

         * @see Zend_Service_Technorati_CosmosResult

         */

        require_once 'Zend/Service/Technorati/CosmosResult.php';

        return new Zend_Service_Technorati_CosmosResult($this->_results->item($this->_currentIndex));

    }

}