<?php

/******************************************************************************
* rss.php
*
* This file will create an RSS Feed for the given category 
*
* Author: Michael McMullen <michael.mcmullen@tutelagesystems.com>
******************************************************************************/

// Include our Configuration
require_once '../System/configuration.php';

// Step 1
//	What Category are we trying
$category_id = intval($_GET['category_id']);

// Step 2
//	Query that category
$category_db = DB_DataObject::factory('categories');
$category_db->category_id 		= $category_id;
$category_db->category_active = 1;

if(! $category_db->find(true))
{
	// No category with that id was found to be active
	die;
}

// Step 3
//	Query for the articles found in that Category
$article_db = DB_DataObject::factory('articles');
$article_db->article_active = 1;
$article_db->article_category_id = $category_id;
$article_db->limit($configuration['rss']['max_items']);
$article_db->find();

// Step 4
//	Start writing the RSS Feed
header('Content-Type: application/rss+xml; charset=ISO-8859-1');
print '<?xml version="1.0" encoding="ISO-8859-1"?>';
print '<rss version="2.0">';
print '<channel>';
print '<title>'. $configuration['site']['name'] .'</title>';
print '<link>'. $configuration['directory_www'] .'</link>';
print '<description>RSS Feed for '. $configuration['site']['name'] .'</description>';
print '<language>en-us</language>';
print '<copyright>Copyright (C) '. date('Y') .' '. $configuration['site']['name'] .'</copyright>';

// Step 5
//	Write the Articles
while($article_db->fetch())
{
	// Convert any HTML tags
	$article_db->article_name = htmlentities($article_db->article_name);
	$article_db->article_text = htmlentities($article_db->article_text);
	
	print '<item>';
		print '<title>'. $article_db->article_name .'</title>';
		print '<description>'. $article_db->article_text .'</description>';
		print '<link>'. $configuration['directory_www'] .'/article.php?id='. $article_db->article_id .'</link>';
	print '</item>';
}

// Step 6
//	End RSS
print '</channel>';
print '</rss>';