<?php
// (c) Copyright 2002-2012 by authors of the Tiki Wiki CMS Groupware Project
//
// All Rights Reserved. See copyright.txt for details and a complete list of authors.
// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
// $Id: block.permission.php 39783 2012-02-08 09:14:14Z sept_7 $

/**
 * Smarty plugin
 * @package Smarty
 * @subpackage plugins
 *
 */

//this script may only be included - so its better to die if called directly.
if (strpos($_SERVER["SCRIPT_NAME"], basename(__FILE__)) !== false) {
  header("location: index.php");
  exit;
}

/***
 * Test if user can view/edit/delete a tracker item
 *
 * @param $params array
 * 			itemId	= int		required
 * 			mode	= string	view|edit|delete (view is default)
 *
 * @param $content string	Content to display if allowed
 * @param $smarty Smarty
 * @param $repeat bool
 *
 * @return string			Content to display if allowed
 */

function smarty_block_trackeritemcheck($params, $content, $smarty, $repeat)
{
	if ( $repeat ) return;

	if ( empty( $params['itemId'] ) ) {
		return tra('itemId required');
	}
	if (empty($params['mode'])) {
		$params['mode'] = '';		// default is to view
	}

	include_once('lib/core/Tracker/Item.php');

	$item = Tracker_Item::fromId($params['itemId']);

	$allowed = false;

	switch ($params['mode']) {
		case 'edit':
			$allowed = $item->canModify();
			break;
		case 'delete':
			$allowed = $item->canRemove();
			break;
		case 'view':
			$allowed = $item->canView();
		default:
			break;
	}

	if ( $allowed ) {
		return $content;
	} else {
		return '';
	}
}