<?php
/***************************************************************************
 *                                index.php
 *                            -------------------
 *   begin                : Saturday, Feb 13, 2001
 *   copyright            : (C) 2001 The phpBB Group
 *   email                : support@phpbb.com
 *
 *   Id: index.php,v 1.99.2.3 2004/07/11 16:46:15 acydburn Exp
 *
 *
 ***************************************************************************/

/***************************************************************************
 *
 *   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 ( !defined('MODULE_FILE') )
{
	die("You can't access this file directly...");
}
if ($popup != "1")
    {
        $module_name = basename(dirname(__FILE__));
        require("modules/".$module_name."/nukebb.php");
    }
    else
    {
        $phpbb_root_path = 'modules/Forums/';
    }
define('IN_PHPBB', true);
include($phpbb_root_path . 'extension.inc');
include($phpbb_root_path . 'common.'.$phpEx);

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

$viewcat = ( !empty($HTTP_GET_VARS[POST_CAT_URL]) ) ? $HTTP_GET_VARS[POST_CAT_URL] : -1;

if( isset($HTTP_GET_VARS['mark']) || isset($HTTP_POST_VARS['mark']) )
{
        $mark_read = ( isset($HTTP_POST_VARS['mark']) ) ? $HTTP_POST_VARS['mark'] : $HTTP_GET_VARS['mark'];
}
else
{
        $mark_read = '';
}

//
// Handle marking posts
//
if( $mark_read == 'forums' )
{
        if( $userdata['session_logged_in'] )
        {
                setcookie($board_config['cookie_name'] . '_f_all', time(), 0, $board_config['cookie_path'], $board_config['cookie_domain'], $board_config['cookie_secure']);
        }

        $template->assign_vars(array(
                "META" => '<meta http-equiv="refresh" content="3;url='  .append_sid("index.$phpEx") . '">')
        );

        $message = $lang['Forums_marked_read'] . '<br /><br />' . sprintf($lang['Click_return_index'], '<a href="' . append_sid("index.$phpEx") . '">', '</a> ');

        message_die(GENERAL_MESSAGE, $message);
}
//
// End handle marking posts
//

$tracking_topics = ( isset($HTTP_COOKIE_VARS[$board_config['cookie_name'] . '_t']) ) ? unserialize($HTTP_COOKIE_VARS[$board_config['cookie_name'] . "_t"]) : array();
$tracking_forums = ( isset($HTTP_COOKIE_VARS[$board_config['cookie_name'] . '_f']) ) ? unserialize($HTTP_COOKIE_VARS[$board_config['cookie_name'] . "_f"]) : array();

//
// If you don't use these stats on your index you may want to consider
// removing them
//
$total_posts = get_db_stat('postcount');
$total_users = get_db_stat('usercount');
$newest_userdata = get_db_stat('newestuser');
$newest_user = $newest_userdata['username'];
$newest_uid = $newest_userdata['user_id'];

if( $total_posts == 0 )
{
        $l_total_post_s = $lang['Posted_articles_zero_total'];
}
else if( $total_posts == 1 )
{
        $l_total_post_s = $lang['Posted_article_total'];
}
else
{
        $l_total_post_s = $lang['Posted_articles_total'];
}

if( $total_users == 0 )
{
        $l_total_user_s = $lang['Registered_users_zero_total'];
}
else if( $total_users == 1 )
{
        $l_total_user_s = $lang['Registered_user_total'];
}
else
{
        $l_total_user_s = $lang['Registered_users_total'];
}


//
// Start page proper
//
$sql = "SELECT c.cat_id, c.cat_title, c.cat_order
        FROM " . CATEGORIES_TABLE . " c
        ORDER BY c.cat_order";
if( !($result = $db->sql_query($sql)) )
{
        message_die(GENERAL_ERROR, 'Could not query categories list', '', __LINE__, __FILE__, $sql);
}
$category_rows = array();
while( $category_rows[] = $db->sql_fetchrow($result) );
$db->sql_freeresult($result);

if( ( $total_categories = count($category_rows) ) )
{
        //
        // Define appropriate SQL
        //
        switch(SQL_LAYER)
        {
                case 'postgresql':
                        $sql = "SELECT f.*, p.post_time, p.post_username, u.username, u.user_id
                                FROM " . FORUMS_TABLE . " f, " . POSTS_TABLE . " p, " . USERS_TABLE . " u
                                WHERE p.post_id = f.forum_last_post_id
                                        AND u.user_id = p.poster_id
                                        UNION (
                                                SELECT f.*, NULL, NULL, NULL, NULL
                                                FROM " . FORUMS_TABLE . " f
                                                WHERE NOT EXISTS (
                                                        SELECT p.post_time
                                                        FROM " . POSTS_TABLE . " p
                                                        WHERE p.post_id = f.forum_last_post_id
                                                )
                                        )
                                        ORDER BY cat_id, forum_order";
                        break;

                case 'oracle':
                        $sql = "SELECT f.*, p.post_time, p.post_username, u.username, u.user_id
                                FROM " . FORUMS_TABLE . " f, " . POSTS_TABLE . " p, " . USERS_TABLE . " u
                                WHERE p.post_id = f.forum_last_post_id(+)
                                        AND u.user_id = p.poster_id(+)
                                ORDER BY f.cat_id, f.forum_order";
                        break;

                default:
                        $sql = "SELECT f.*, p.post_time, p.post_username, u.username, u.user_id
                                FROM (( " . FORUMS_TABLE . " f
                                LEFT JOIN " . POSTS_TABLE . " p ON p.post_id = f.forum_last_post_id )
                                LEFT JOIN " . USERS_TABLE . " u ON u.user_id = p.poster_id )
                                ORDER BY f.cat_id, f.forum_order";
                        break;
        }
        if ( !($result = $db->sql_query($sql)) )
        {
                message_die(GENERAL_ERROR, 'Could not query forums information', '', __LINE__, __FILE__, $sql);
        }

        $forum_data = array();
        while( $row = $db->sql_fetchrow($result) )
        {
                $forum_data[] = $row;
        }
	$db->sql_freeresult($result);

        if ( !($total_forums = count($forum_data)) )
        {
                message_die(GENERAL_MESSAGE, $lang['No_forums']);
        }

        //
        // Obtain a list of topic ids which contain
        // posts made since user last visited
        //
        if ( $userdata['session_logged_in'] )
        {
                $sql = "SELECT t.forum_id, t.topic_id, p.post_time
                        FROM " . TOPICS_TABLE . " t, " . POSTS_TABLE . " p
                        WHERE p.post_id = t.topic_last_post_id
                                AND p.post_time > " . $userdata['user_lastvisit'] . "
                                AND t.topic_moved_id = '0'";
                if ( !($result = $db->sql_query($sql)) )
                {
                        message_die(GENERAL_ERROR, 'Could not query new topic information', '', __LINE__, __FILE__, $sql);
                }

                $new_topic_data = array();
                while( $topic_data = $db->sql_fetchrow($result) )
                {
                        $new_topic_data[$topic_data['forum_id']][$topic_data['topic_id']] = $topic_data['post_time'];
                }
		$db->sql_freeresult($result);
        }

        //
        // Obtain list of moderators of each forum
        // First users, then groups ... broken into two queries
        //
        $sql = "SELECT aa.forum_id, u.user_id, u.username
                FROM " . AUTH_ACCESS_TABLE . " aa, " . USER_GROUP_TABLE . " ug, " . GROUPS_TABLE . " g, " . USERS_TABLE . " u
                WHERE aa.auth_mod = " . TRUE . "
                        AND g.group_single_user = '1'
                        AND ug.group_id = aa.group_id
                        AND g.group_id = aa.group_id
                        AND u.user_id = ug.user_id
                GROUP BY u.user_id, u.username, aa.forum_id
                ORDER BY aa.forum_id, u.user_id";
        if ( !($result = $db->sql_query($sql)) )
        {
                message_die(GENERAL_ERROR, 'Could not query forum moderator information', '', __LINE__, __FILE__, $sql);
        }

        $forum_moderators = array();
        while( $row = $db->sql_fetchrow($result) )
        {
                $forum_moderators[$row['forum_id']][] = '<a href="' . append_sid("profile.$phpEx?mode=viewprofile&amp;" . POST_USERS_URL . "=" . $row['user_id']) . '">' . $row['username'] . '</a>';
        }
	$db->sql_freeresult($result);

        $sql = "SELECT aa.forum_id, g.group_id, g.group_name
                FROM " . AUTH_ACCESS_TABLE . " aa, " . USER_GROUP_TABLE . " ug, " . GROUPS_TABLE . " g
                WHERE aa.auth_mod = " . TRUE . "
                        AND g.group_single_user = '0'
                        AND g.group_type <> " . GROUP_HIDDEN . "
                        AND ug.group_id = aa.group_id
                        AND g.group_id = aa.group_id
                GROUP BY g.group_id, g.group_name, aa.forum_id
                ORDER BY aa.forum_id, g.group_id";
        if ( !($result = $db->sql_query($sql)) )
        {
                message_die(GENERAL_ERROR, 'Could not query forum moderator information', '', __LINE__, __FILE__, $sql);
        }

        while( $row = $db->sql_fetchrow($result) )
        {
                $forum_moderators[$row['forum_id']][] = '<a href="' . append_sid("groupcp.$phpEx?" . POST_GROUPS_URL . "=" . $row['group_id']) . '">' . $row['group_name'] . '</a>';
        }
	$db->sql_freeresult($result);

        //
        // Find which forums are visible for this user
        //
        $is_auth_ary = array();
        $is_auth_ary = auth(AUTH_VIEW, AUTH_LIST_ALL, $userdata, $forum_data);

        //
        // Start output of page
        //
        define('SHOW_ONLINE', true);
        $page_title = $lang['Index'];
        include("includes/page_header.php");

        $template->set_filenames(array(
                'body' => 'index_body.tpl')
        );

        $template->assign_vars(array(
                'TOTAL_POSTS' => sprintf($l_total_post_s, $total_posts),
                'TOTAL_USERS' => sprintf($l_total_user_s, $total_users),
                'NEWEST_USER' => sprintf($lang['Newest_user'], '<a href="' . append_sid("profile.$phpEx?mode=viewprofile&amp;" . POST_USERS_URL . "=$newest_uid") . '">', $newest_user, '</a>'),

                'FORUM_IMG' => $images['forum'],
                'FORUM_NEW_IMG' => $images['forum_new'],
                'FORUM_LOCKED_IMG' => $images['forum_locked'],

                'L_FORUM' => $lang['Forum'],
                'L_TOPICS' => $lang['Topics'],
                'L_REPLIES' => $lang['Replies'],
                'L_VIEWS' => $lang['Views'],
                'L_POSTS' => $lang['Posts'],
                'L_LASTPOST' => $lang['Last_Post'],
                'L_NO_NEW_POSTS' => $lang['No_new_posts'],
                'L_NEW_POSTS' => $lang['New_posts'],
                'L_NO_NEW_POSTS_LOCKED' => $lang['No_new_posts_locked'],
                'L_NEW_POSTS_LOCKED' => $lang['New_posts_locked'],
                'L_ONLINE_EXPLAIN' => $lang['Online_explain'],

                'L_MODERATOR' => $lang['Moderators'],
                'L_FORUM_LOCKED' => $lang['Forum_is_locked'],
                'L_MARK_FORUMS_READ' => $lang['Mark_all_forums'],

                'U_MARK_READ' => append_sid("index.$phpEx?mark=forums"))
        );

        //
        // Okay, let's build the index
        //
        for($i = 0; $i < $total_categories; $i++)
        {
                $cat_id = $category_rows[$i]['cat_id'];

                //
                // Should we display this category/forum set?
                //
                $display_forums = false;
                for($j = 0; $j < $total_forums; $j++)
                {
                        if ( $is_auth_ary[$forum_data[$j]['forum_id']]['auth_view'] && $forum_data[$j]['cat_id'] == $cat_id )
                        {
                                $display_forums = true;
                        }
                }

                //
                // Yes, we should, so first dump out the category
                // title, then, if appropriate the forum list
                //
                if ( $display_forums )
                {
                        $template->assign_block_vars('catrow', array(
                                'CAT_ID' => $cat_id,
                                'CAT_DESC' => $category_rows[$i]['cat_title'],
                                'U_VIEWCAT' => append_sid("index.$phpEx?" . POST_CAT_URL . "=$cat_id"))
                        );

                        if ( $viewcat == $cat_id || $viewcat == -1 )
                        {
                                for($j = 0; $j < $total_forums; $j++)
                                {
                                        if ( $forum_data[$j]['cat_id'] == $cat_id )
                                        {
                                                $forum_id = $forum_data[$j]['forum_id'];

                                                if ( $is_auth_ary[$forum_id]['auth_view'] )
                                                {
                                                        if ( $forum_data[$j]['forum_status'] == FORUM_LOCKED )
                                                        {
                                                                $folder_image = $images['forum_locked'];
                                                                $folder_alt = $lang['Forum_locked'];
                                                        }
                                                        else
                                                        {
                                                                $unread_topics = false;
                                                                if ( $userdata['session_logged_in'] )
                                                                {
                                                                        if ( !empty($new_topic_data[$forum_id]) )
                                                                        {
                                                                                $forum_last_post_time = 0;

                                                                                while( list($check_topic_id, $check_post_time) = @each($new_topic_data[$forum_id]) )
                                                                                {
                                                                                        if ( empty($tracking_topics[$check_topic_id]) )
                                                                                        {
                                                                                                $unread_topics = true;
                                                                                                $forum_last_post_time = max($check_post_time, $forum_last_post_time);

                                                                                        }
                                                                                        else
                                                                                        {
                                                                                                if ( $tracking_topics[$check_topic_id] < $check_post_time )
                                                                                                {
                                                                                                        $unread_topics = true;
                                                                                                        $forum_last_post_time = max($check_post_time, $forum_last_post_time);
                                                                                                }
                                                                                        }
                                                                                }

                                                                                if ( !empty($tracking_forums[$forum_id]) )
                                                                                {
                                                                                        if ( $tracking_forums[$forum_id] > $forum_last_post_time )
                                                                                        {
                                                                                                $unread_topics = false;
                                                                                        }
                                                                                }

                                                                                if ( isset($HTTP_COOKIE_VARS[$board_config['cookie_name'] . '_f_all']) )
                                                                                {
                                                                                        if ( $HTTP_COOKIE_VARS[$board_config['cookie_name'] . '_f_all'] > $forum_last_post_time )
                                                                                        {
                                                                                                $unread_topics = false;
                                                                                        }
                                                                                }

                                                                        }
                                                                }

                                                                $folder_image = ( $unread_topics ) ? $images['forum_new'] : $images['forum'];
                                                                $folder_alt = ( $unread_topics ) ? $lang['New_posts'] : $lang['No_new_posts'];
                                                        }

                                                        $posts = $forum_data[$j]['forum_posts'];
                                                        $topics = $forum_data[$j]['forum_topics'];

                                                        if ( $forum_data[$j]['forum_last_post_id'] )
                                                        {
                                                                $last_post_time = create_date($board_config['default_dateformat'], $forum_data[$j]['post_time'], $board_config['board_timezone']);

                                                                $last_post = $last_post_time . '<br />';

                                                                $last_post .= ( $forum_data[$j]['user_id'] == ANONYMOUS ) ? ( ($forum_data[$j]['post_username'] != '' ) ? $forum_data[$j]['post_username'] . ' ' : $lang['Guest'] . ' ' ) : '<a href="' . append_sid("profile.$phpEx?mode=viewprofile&amp;" . POST_USERS_URL . '='  . $forum_data[$j]['user_id']) . '">' . $forum_data[$j]['username'] . '</a> ';

                                                                $last_post .= '<a href="' . append_sid("viewtopic.$phpEx?"  . POST_POST_URL . '=' . $forum_data[$j]['forum_last_post_id']) . '#' . $forum_data[$j]['forum_last_post_id'] . '"><img src="' . $images['icon_latest_reply'] . '" border="0" alt="' . $lang['View_latest_post'] . '" title="' . $lang['View_latest_post'] . '" /></a>';
                                                        }
                                                        else
                                                        {
                                                                $last_post = $lang['No_Posts'];
                                                        }

                                                        if ( count($forum_moderators[$forum_id]) > 0 )
                                                        {
                                                                $l_moderators = ( count($forum_moderators[$forum_id]) == 1 ) ? $lang['Moderator'] : $lang['Moderators'];
                                                                $moderator_list = implode(', ', $forum_moderators[$forum_id]);
                                                        }
                                                        else
                                                        {
                                                                $l_moderators = '&nbsp;';
                                                                $moderator_list = '&nbsp;';
                                                        }

                                                        $row_color = ( !($i % 2) ) ? $theme['td_color1'] : $theme['td_color2'];
                                                        $row_class = ( !($i % 2) ) ? $theme['td_class1'] : $theme['td_class2'];

                                                        $template->assign_block_vars('catrow.forumrow',        array(
                                                                'ROW_COLOR' => '#' . $row_color,
                                                                'ROW_CLASS' => $row_class,
                                                                'FORUM_FOLDER_IMG' => $folder_image,
                                                                'FORUM_NAME' => $forum_data[$j]['forum_name'],
                                                                'FORUM_DESC' => $forum_data[$j]['forum_desc'],
                                                                'POSTS' => $forum_data[$j]['forum_posts'],
                                                                'TOPICS' => $forum_data[$j]['forum_topics'],
                                                                'LAST_POST' => $last_post,
                                                                'MODERATORS' => $moderator_list,

                                                                'L_MODERATOR' => $l_moderators,
                                                                'L_FORUM_FOLDER_ALT' => $folder_alt,

                                                                'U_VIEWFORUM' => append_sid("viewforum.$phpEx?" . POST_FORUM_URL . "=$forum_id"))
                                                        );
                                                }
                                        }
                                }
                        }
                }
        } // for ... categories

}// if ... total_categories
else
{
        message_die(GENERAL_MESSAGE, $lang['No_forums']);
}

//
// Generate the page
//
$template->pparse('body');

include("includes/page_tail.php");

?>