<?php

// (c) Copyright 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.
// $Id$

/**
 * Smarty plugin
 * @package Smarty
 * @subpackage plugins
 *
 */
function smarty_block_permission($params, $content, $smarty, &$repeat)
{
    if ($repeat) {
        return;
    }

    // Removing and Modifying a tracker item require a special permissions check
    if (! empty($params['type']) && $params['type'] == 'trackeritem') {
        $removePerms = ['remove_tracker_items','remove_tracker_items_pending','remove_tracker_items_closed'];
        $modifyPerms = ['modify_tracker_items','modify_tracker_items_pending','modify_tracker_items_closed'];

        $trklib = TikiLib::lib('trk');
        $itemInfo = $trklib->get_tracker_item($params['object']);

        if (! $itemInfo) {
            return ""; //invalid tracker item.
        }

        $itemObject = Tracker_Item::fromInfo($itemInfo);

        if (in_array($params['name'], $removePerms)) {
            if ($itemObject->canRemove()) {
                return $content;
            }
        } elseif (in_array($params['name'], $modifyPerms)) {
            if ($itemObject->canModify()) {
                return $content;
            }
        }
    }

    //Standard permissions check
    $context = [];

    if (isset($params['type'], $params['object'])) {
        $context['type'] = $params['type'];
        $context['object'] = $params['object'];
    }

    $perms = Perms::get($context);
    $name = $params['name'];

    if ($perms->$name) {
        return $content;
    } else {
        return '';
    }
}