<?php
/***************************************************************************  
 *                                 admin_index
 *                            -------------------                         
 *   begin                : Thursday, Jul 23, 2001 
 *   copyright            : (C) 2001 The phpBB Group        
 *   email                : support@phpbb.com                           
 *                                                          
 *   $Id$                                                           
 *                                                            
 * 
 ***************************************************************************/ 

/***************************************************************************  
 *                                                     
 *   This program is free software; you can redistribute it and/or modify    
 *   it under the terms of the GNU General Public License as published by   
 *   the Free Software Foundation; either version 2 of the License, or  
 *   (at your option) any later version.                      
 *                                                          
 * 
 ***************************************************************************/ 

if($setmodules == 1)
{
	$filename = basename(__FILE__);
	$module['General']['overview']    = "$filename";

	return;
}

if($from_index != 1)
{
	$phpbb_root_path = "./../";
	include($phpbb_root_path . 'extension.inc');
	include($phpbb_root_path . 'common.'.$phpEx);

	$template_header = "admin/page_header.tpl";	
	include('page_header_admin.'.$phpEx);
}

//
// Start session management
//
$userdata = session_pagestart($user_ip, PAGE_INDEX, $session_length);
init_userprefs($userdata);
//
// End session management
//

//
// Check user permissions
//
if( !$userdata['session_logged_in'] )
{
	header("Location: ../login.$phpEx?forward_page=/admin");
}
else if( $userdata['user_level'] != ADMIN )
{
	message_die(GENERAL_MESSAGE, "You are not authorised to administer this board");
}


$template->set_filenames(array("body" => "admin/admin_index_body.tpl"));

//
// Get forum statistics
//
$total_posts = get_db_stat('postcount');
$total_users = get_db_stat('usercount');
$total_topics = get_db_stat('topiccount');
$start_date = create_date($board_config['default_dateformat'], $board_config['board_startdate'], $board_config['default_timezone']);

$boarddays = (time() - $board_config['board_startdate']) / (24*60*60);
$posts_per_day = sprintf("%.2f", $total_posts / $boarddays);
$topics_per_day = sprintf("%.2f", $total_topics / $boarddays);
$users_per_day = sprintf("%.2f", $total_users / $boarddays);

$avatar_dir_size = 0;

if ($avatar_dir = opendir($phpbb_root_path . $board_config['avatar_path']))
{	
	while($file = readdir($avatar_dir))
	{
		if($file != "." && $file != "..")
		{
			$avatar_dir_size += filesize($phpbb_root_path . $board_config['avatar_path'] . "/" . $file);
		}
	}
	closedir($avatar_dir);
}

//
// This bit of code translates the avatar directory size into human readable format
// Borrowed the code from the PHP.net annoted manual, origanally written by:
// Jesse (jesse@jess.on.ca)
//
if($avatar_dir_size >= 1048576) 
{ 
	$avatar_dir_size = round($avatar_dir_size / 1048576 * 100) / 100 . "MB"; 
} 
else if($avatar_dir_size >= 1024) 
{ 
	$avatar_dir_size = round($avatar_dir_size / 1024 * 100) / 100 . "KB"; 
} 
else 
{ 
	$avatar_dir_size = $avatar_dir_size . "Bytes"; 
} 

if($posts_per_day > $total_posts)
{
	$posts_per_day = $total_posts;
}

if($topics_per_day > $total_topics)
{
	$topics_per_day = $total_topics;
}

if($users_per_day > $total_users)
{
	$users_per_day = $total_users;
}


$template->assign_vars(array("NUMBER_OF_POSTS" => $total_posts,
									  "NUMBER_OF_TOPICS" => $total_topics,
									  "NUMBER_OF_USERS" => $total_users,
									  "STARTDATE" => $start_date,
									  "POSTS_PER_DAY" => $posts_per_day,
									  "TOPICS_PER_DAY" => $topics_per_day,
									  "USERS_PER_DAY" => $users_per_day,
									  "AVATAR_DIR_SIZE" => $avatar_dir_size));
//
// End forum statistics
//


//
// Get users online information.
//
$sql = "SELECT u.username, u.user_id, u.user_allow_viewonline, s.session_page, s.session_logged_in, s.session_time, s.session_ip
	FROM " . USERS_TABLE . " u, " . SESSIONS_TABLE . " s 
	WHERE u.user_id = s.session_user_id
		AND s.session_time >= " . (time()-300) . "
	ORDER BY s.session_time DESC";
if(!$result = $db->sql_query($sql))
{
	message_die(GENERAL_ERROR, "Couldn't obtain user/online information.", "", __LINE__, __FILE__, $sql);
}
$onlinerow = $db->sql_fetchrowset($result);

$sql = "SELECT forum_name, forum_id
	FROM " . FORUMS_TABLE;
if($forums_result = $db->sql_query($sql))
{
	while($forumsrow = $db->sql_fetchrow($forums_result))
	{
		$forum_data[$forumsrow['forum_id']] = $forumsrow['forum_name'];
	}
}
else
{
	message_die(GENERAL_ERROR, "Couldn't obtain user/online forums information.", "", __LINE__, __FILE__, $sql);
}

$online_count = $db->sql_numrows($result);
if($online_count)
{
	$count = 0;

	for($i = 0; $i < $online_count; $i++)
	{
		if($onlinerow[$i]['user_id'] != ANONYMOUS)
		{
			if($onlinerow[$i]['session_logged_in'])
			{
				$username = $onlinerow[$i]['username'];
			}
			else
			{
				$username = $onlinerow[$i]['username'];
			}
		}
		else
		{
			$username = $lang['Anonymous'];
		}

		if($onlinerow[$i]['session_page'] < 1)
		{
			switch($onlinerow[$i]['session_page'])
			{
				case PAGE_INDEX:
					$location = $lang['Forum_index'];
					$location_url = "index.$phpEx";
					break;
				case PAGE_POSTING:
					$location = $lang['Posting_message'];
					$location_url = "index.$phpEx";
					break;
				case PAGE_LOGIN:
					$location = $lang['Logging_on'];
					$location_url = "index.$phpEx";
					break;
				case PAGE_SEARCH:
					$location = $lang['Searching_forums'];
					$location_url = "search.$phpEx";
					break;
				case PAGE_PROFILE:
					$location = $lang['Viewing_profile'];
					$location_url = "index.$phpEx";
					break;
				case PAGE_VIEWONLINE:
					$location = $lang['Viewing_online'];
					$location_url = "viewonline.$phpEx";
					break;
				case PAGE_VIEWMEMBERS:
					$location = $lang['Viewing_member_list'];
					$location_url = "memberlist.$phpEx";
					break;
				case PAGE_PRIVMSGS:
					$location = $lang['Viewing_priv_msgs'];
					$location_url = "privmsg.$phpEx";
					break;
				case PAGE_FAQ:
					$location = $lang['Viewing_FAQ'];
					$location_url = "faq.$phpEx";
					break;
				default:
					$location = $lang['Forum_index'];
					$location_url = "index.$phpEx";
			}
		}
		else
		{
			$location_url = append_sid("viewforum.$phpEx?" . POST_FORUM_URL . "=" . $onlinerow[$i]['session_page']);
			$location = $forum_data[$onlinerow[$i]['session_page']];
		}

		if(!($count % 2))
		{
			$row_color = "#" . $theme['td_color1'];
		}
		else
		{
			$row_color = "#" . $theme['td_color2'];
		}
		$count++;
		
		$ip_address = decode_ip($onlinerow[$i]['session_ip']);
// 
// 	This resolves the users IP to a host name, but it REALLY slows the page down
//
//		$host_name = gethostbyaddr($ip_address);
//		$ip_address = $ip_address . " ($host_name)";
		
		if(empty($username))
		{
			$username = $lang['Guest'];
		}

		$template->assign_block_vars("userrow", array(
			"ROW_COLOR" => $row_color,
			"USERNAME" => $username,
			"LOGGED_ON" => $logged_on,
			"LASTUPDATE" => create_date($board_config['default_dateformat'], $onlinerow[$i]['session_time'], $board_config['default_timezone']),
			"LOCATION" => $location,
			"IPADDRESS" => $ip_address,
			"U_USER_PROFILE" => append_sid("profile.$phpEx?mode=viewprofile&" . POST_USERS_URL . "=" . $onlinerow[$i]['user_id']),
			"U_FORUM_LOCATION" => append_sid($location_url))
		);
	}
}
$template->assign_vars(array("L_USERNAME" => $lang['Username'],
										"L_LOCATION" => $lang['Location'],
										"L_LAST_UPDATE" => $lang['Last_updated'],
										"L_IPADDRESS" => $lang['IP_Address']));


$template->pparse("body");

if($from_index != 1)
{
	include('page_footer_admin.'.$phpEx);
}

?>