<?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.
// $Id$

//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;
}

/**
 * @return array
 */
function module_who_is_there_info()
{
    return [
        'name' => tra('Online Users'),
        'description' => tra('Display information about users currently logged in.'),
        'prefs' => [],
        'documentation' => 'Module who_is_there',
        'params' => [
            'content' => [
                'name' => tra('List Type'),
                'description' => tra('Display the number of users logged in, the list of users logged in, or both.') . " " . tra('Possible values: "count", "list" or "both". Default value: "both"')
            ],
            'cluster' => [
                'name' => tra('Cluster Mode'),
                'description' => tra('If set to "1", separate users based on which host/server they logged on.')
            ],
            'silent' => [
                'name' => tra('Silent Mode'),
                'description' => tra('If set to "1" hides the module, which allows another "who is there" module to include users that should not see it.')
            ],
        ]
    ];
}

/**
 * @param $mod_reference
 * @param $module_params
 */
function module_who_is_there($mod_reference, $module_params)
{
    $tikilib = TikiLib::lib('tiki');
    $smarty = TikiLib::lib('smarty');
    $count = ! isset($module_params['content']) || $module_params['content'] != 'list';
    $list = ! isset($module_params['content']) || $module_params['content'] != 'count';
    $smarty->assign('count', $count);
    $smarty->assign('list', $list);

    if ($count) {
        $logged_users = $tikilib->count_sessions();
        $smarty->assign('logged_users', $logged_users);
    }

    if ($list) {
        $online_users = $tikilib->get_online_users();
        $smarty->assign_by_ref('online_users', $online_users);
    }

    if (isset($module_params['cluster']) && $module_params['cluster'] == 1) {
        $smarty->assign('cluster', true);
        if ($count) {
            $logged_cluster_users = $tikilib->count_cluster_sessions();
            $smarty->assign('logged_cluster_users', $logged_cluster_users);
        }
    } else {
        $smarty->assign('cluster', false);
    }
}