<?php
/**
 * Datasource Sitemap: Blog
 *
 * $Id$
 *
 * @author gERD Schaufelberger <gerd@php-tools.net>
 * @package WB
 * @subpackage datasource
 */

WBClass::load('WBDatasource_Sitemap'
        );

/**
 * Datasource Sitemap Blog
 *
 * Add recent blog posts to sitemap
 *
 * @todo configure priority and limit
 * @version 0.2.0
 * @package WB
 * @subpackage datasource
 */
class WBDatasource_Sitemap_Blog extends WBDatasource_Sitemap
{
    /**
     * @var WBBlog_Tool
     */
    private $blog;

    /**
     * Find all the URLs
     *
     * Get recent blog posts
     */
    public function find()
    {
        $this->blog =   WBClass::create('WBBlog_Tool');
        $options    =   array(
                            'limit' =>  500
                        );

        $priority   =   1.1;
        $list       =   $this->blog->getList($options);

        foreach ($list as $i => $l) {
            // decrease priority
            if (0 == ($i % 100)) {
                $priority   -=  0.1;
                $this->setPriority($priority);
            }

            $this->blog->loadArticleByData($l);

            $path   =   $this->blog->getArticlePath();
            $path   =   substr($path, strlen('[[PROTOCOL]]://[[SERVER]][[SELF]]'));
            $this->setPath($path);
            $this->notify();
        }
    }

}