<?php

/******************************************************************************
* Administration Article Move <administration_article_move.php>
*
* Author: Michael McMullen <michael.mcmullen@tutelagesystems.com>
******************************************************************************/

require_once '../System/configuration.php';

$master_template	= new MasterTemplate;
$articles					= array();
$article_id 			= intval($_GET['article_id']);
$article_index		= 0;
$direction				= trim($_GET['direction']);

// Must be logged in
if(! isset($_SESSION['administration']))
{
	$this->redirect('login.php');
}

// Load Article
$article_db = DB_DataObject::factory('articles');
$article_db->article_id = $article_id;
if($article_db->find(true))
{
	// Load Articles in that Category
	$articles_db = DB_DataObject::factory('articles');
	$articles_db->article_category_id = $article_db->article_category_id;
	$articles_db->orderBy('article_rank');
	$articles_db->find();
	while($articles_db->fetch())
	{
		$articles[] = $articles_db->article_id;
		if($articles_db->article_id == $article_id)
		{
			// Save this Index
			$article_index = count($articles) - 1;
		}
	}
}

// Ensure we have some articles to sort
if(! empty($articles))
{
	switch(strtolower($direction))
	{
		case 'down':
			$articles = $master_template->MoveArrayDown($articles, $article_index);
		break;
		case 'up':		
			$articles = $master_template->MoveArrayUp($articles, $article_index);
		break;
		default:
			$articles = null;
		break;
	}
}

// Ensure some sorting happened
if(! empty($articles))
{
	foreach($articles as $key => $article_id)
	{
		$article_db = DB_DataObject::factory('articles');
		$article_db->article_id = $article_id;
		if($article_db->find(true))
		{
			$article_db->article_rank = $key;
			$article_db->update();
		}
	}
}

// Redirect to Listing
header('location:administration_article.php');
die;