<?php

/**

* @author Guillermo Vargas, http://joomla.vargas.co.cr

* @email guille@vargas.co.cr

* @version $Id: com_kb.php 52 2009-10-24 22:35:11Z guilleva $

* @package Xmap

* @license GNU/GPL

* @description Xmap plugin for Joomla KnowledgeBase component

*/



defined( '_JEXEC' ) or die( 'Restricted access.' );



class xmap_com_kb {



	function getTree( &$xmap, &$parent, &$params) {

		if ( strpos($parent->link, 'task=article') ) {

			return true;	

		}



		$link_query = parse_url( $parent->link );

                parse_str( html_entity_decode($link_query['query']), $link_vars );

                $catid = JArrayHelper::getValue($link_vars,'category',0);



		$include_articles = JArrayHelper::getValue( $params, 'include_articles',1,'' );

		$include_articles = ( $include_articles == 1

                                  || ( $include_articles == 2 && $xmap->view == 'xml') 

                                  || ( $include_articles == 3 && $xmap->view == 'html'));

		$params['include_articles'] = $include_articles;



		$params['include_feeds'] = JArrayHelper::getValue( $params, 'include_feeds',1,'' );

		if ($xmap->view != 'xml' ) {

			$params['include_feeds']=0;

		}



		$priority = JArrayHelper::getValue($params,'cat_priority',$parent->priority,'');

		$changefreq = JArrayHelper::getValue($params,'cat_changefreq',$parent->changefreq,'');

		if ($priority  == '-1')

			$priority = $parent->priority;

		if ($changefreq  == '-1')

			$changefreq = $parent->changefreq;

		$params['cat_priority'] = $priority;

		$params['cat_changefreq'] = $changefreq;



		$priority = JArrayHelper::getValue($params,'article_priority',$parent->priority,'');

		$changefreq = JArrayHelper::getValue($params,'article_changefreq',$parent->changefreq,'');

		if ($priority  == '-1')

			$priority = $parent->priority;

		if ($changefreq  == '-1')

			$changefreq = $parent->changefreq;

		$params['article_priority'] = $priority;

		$params['article_changefreq'] = $changefreq;



		$priority = JArrayHelper::getValue($params,'feed_priority',$parent->priority,'');

		$changefreq = JArrayHelper::getValue($params,'feed_changefreq',$parent->changefreq,'');

		if ($priority  == '-1')

			$priority = $parent->priority;

		if ($changefreq  == '-1')

			$changefreq = $parent->changefreq;

		$params['feed_priority'] = $priority;

		$params['feed_changefreq'] = $changefreq;



		if ( $include_articles ) {

			$params['limit'] = '';

			$params['days'] = '';

			$limit = JArrayHelper::getValue($params,'max_articles','','');



			if ( intval($limit) )

				$params['limit'] = ' LIMIT '.$limit;



			$days = JArrayHelper::getValue($params,'max_age','','');

			if ( intval($days) )

				$params['days'] = ' AND a.`created` >= \''.date('Y-m-d H:m:s', ($xmap->now - ($days*86400)) ) ."' ";

		}

		

		if ( $params['include_feeds'] ) {

			// Include the latest listings feed

			$node = new stdclass;

			$node->id   = $parent->id;

			$node->uid  = $parent->uid.'flatest';

			$node->name = 'Latest Listings';

			$node->priority   = $params['feed_priority'];

			$node->changefreq = $params['feed_changefreq'];

			$node->link = 'index.php?option=com_kb&amp;task=rss&amp;format=RSS2.0&amp;no_html=1&amp;pop=1&amp;type=latestlistings';

			$node->expandible = false;

			$xmap->printNode($node);



			// Include the Top 10 Most Popular Listings feed

			$node = new stdclass;

			$node->id   = $parent->id;

			$node->uid  = $parent->uid.'ftop10';

			$node->name = 'Top 10 Most Popular Listings';

			$node->priority   = $params['feed_priority'];

			$node->changefreq = $params['feed_changefreq'];

			$node->expandible = false;

			$node->link = 'index.php?option=com_kb&amp;task=rss&amp;format=RSS2.0&amp;no_html=1&amp;pop=1&amp;type=mostpopular';

			$xmap->printNode($node);

		}



		xmap_com_kb::getKBTree( $xmap, $parent, $params, $catid );

	}



	function getKBTree ( &$xmap, &$parent, &$params, &$catid ) {

		$db = JFactory::getDBO();



		$db->setQuery("select `id`, `title`,UNIX_TIMESTAMP(`created`) as `created`,UNIX_TIMESTAMP(`modified`) as `modified` from #__kb_categorys where parentid=$catid and published = '1' and access<=".$xmap->gid." order by ordering");

		# echo $db->getQuery();

		$cats = $db->loadObjectList();

		$xmap->changeLevel(1);

		foreach($cats as $cat) {

			$node = new stdclass;

			$node->id   = $parent->id;

			$node->uid  = $parent->uid.'c'.$cat->id;

			$node->name = $cat->title;

			$node->modified = ($cat->modified? $cat->modified : $cat->created);

			$node->priority   = $params['cat_priority'];

			$node->changefreq = $params['cat_changefreq'];

			$node->expandible = true;

			$node->link = 'index.php?option=com_kb&amp;task=category&amp;category='.$cat->id;



			if ( $xmap->printNode($node) !== FALSE ) { // To allow the items exclusion feature

				if ( $params['include_feeds'] ) {

					$node = new stdclass;

					$node->id   = $parent->id;

					$node->uid  = $parent->uid.'f'.$cat->id;

					$node->name = $cat->title . ' feed';

					$node->priority   = $params['feed_priority'];

					$node->changefreq = $params['feed_changefreq'];

					$node->link  = 'index.php?option=com_kb&amp;task=rss&amp;format=RSS2.0&amp;no_html=1&amp;pop=1&amp;type=latestlistingspercategory&amp;category='.$cat->id;

					$node->expandible = false;

					$xmap->printNode($node);

				}

				xmap_com_kb::getKBTree($xmap, $parent, $params, $cat->id);

			}

		}



		if ($params['include_articles']) {

			$db->setQuery ("select a.`id`, a.`title`,UNIX_TIMESTAMP(a.`created`) as `created`,UNIX_TIMESTAMP(a.`modified`) as `modified` from #__kb_articles a, #__kb_category_map m where m.category_id=$catid and m.article_id=a.id and a.`published` = '1'  and a.`access`<=".$xmap->gid." ".$params['days']." order by m.ordering" . $params['limit']);

			$cats = $db->loadObjectList();

			foreach($cats as $article) {

				$node = new stdclass;

				$node->id   = $parent->id;

				$node->uid  = $parent->uid .'c'.$catid.'a'.$article->id;

				$node->name = $article->title;

				$node->modified = ($article->modified? $article->modified : $article->created);

				$node->link = 'index.php?option=com_kb&amp;task=article&amp;article='.$article->id;

				$node->priority   = $params['article_priority'];

				$node->changefreq = $params['article_changefreq'];

				$node->expandible = false;

				$xmap->printNode($node);

			}

		}

		$xmap->changeLevel(-1);



	}

	

}