<?php
/***************************************************************************
 *                            functions_admin.php
 *                            -------------------
 *   begin                : Saturday, Feb 13, 2001
 *   copyright            : (C) 2001 The phpBB Group
 *   email                : support@phpbb.com
 *
 *   $Id: functions_admin.php,v 1.5.2.5 2005/09/14 19:16:21 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.
 *
 *
 ***************************************************************************/

//
// Simple version of jumpbox, just lists authed forums
//

if (!defined('IN_PHPBB')) {
	die();
}

function make_forum_select($box_name, $ignore_forum = false, $select_forum = '')
{
        global $db, $userdata;

        $is_auth_ary = auth(AUTH_READ, AUTH_LIST_ALL, $userdata);

        $sql = 'SELECT f.forum_id, f.forum_name
                FROM ' . CATEGORIES_TABLE . ' c, ' . FORUMS_TABLE . ' f
                WHERE f.cat_id = c.cat_id
                ORDER BY c.cat_order, f.forum_order';
        if ( !($result = $db->sql_query($sql)) )
        {
                message_die(GENERAL_ERROR, 'Couldn not obtain forums information', '', __LINE__, __FILE__, $sql);
        }

        $forum_list = '';
        while( $row = $db->sql_fetchrow($result) )
        {
                if ( $is_auth_ary[$row['forum_id']]['auth_read'] && $ignore_forum != $row['forum_id'] )
                {
                        $selected = ( $select_forum == $row['forum_id'] ) ? ' selected="selected"' : '';
                        $forum_list .= '<option value="' . $row['forum_id'] . '"' . $selected .'>' . $row['forum_name'] . '</option>';
                }
        }

        $forum_list = ( $forum_list == '' ) ? '<option value="-1">-- ! No Forums ! --</option>' : '<select name="' . $box_name . '">' . $forum_list . '</select>';

        return $forum_list;
}

//
// Synchronise functions for forums/topics
//
function sync($type, $id = false)
{
        global $db;

        switch($type)
        {
                case 'all forums':
                        $sql = "SELECT forum_id
                                FROM " . FORUMS_TABLE;
                        if ( !($result = $db->sql_query($sql)) )
                        {
                                message_die(GENERAL_ERROR, 'Could not get forum IDs', '', __LINE__, __FILE__, $sql);
                        }

                        while( $row = $db->sql_fetchrow($result) )
                        {
                                sync('forum', $row['forum_id']);
                        }
                           break;

                case 'all topics':
                        $sql = "SELECT topic_id
                                FROM " . TOPICS_TABLE;
                        if ( !($result = $db->sql_query($sql)) )
                        {
                                message_die(GENERAL_ERROR, 'Could not get topic ID', '', __LINE__, __FILE__, $sql);
                        }

                        while( $row = $db->sql_fetchrow($result) )
                        {
                                sync('topic', $row['topic_id']);
                        }
                        break;

                  case 'forum':
                        $sql = "SELECT MAX(post_id) AS last_post, COUNT(post_id) AS total
                                FROM " . POSTS_TABLE . "
                                WHERE forum_id = '$id'";
                        if ( !($result = $db->sql_query($sql)) )
                        {
                                message_die(GENERAL_ERROR, 'Could not get post ID', '', __LINE__, __FILE__, $sql);
                        }

                        if ( $row = $db->sql_fetchrow($result) )
                        {
                                $last_post = ( $row['last_post'] ) ? $row['last_post'] : 0;
                                $total_posts = ($row['total']) ? $row['total'] : 0;
                        }
                        else
                        {
                                $last_post = 0;
                                $total_posts = 0;
                        }

                        $sql = "SELECT COUNT(topic_id) AS total
                                FROM " . TOPICS_TABLE . "
                                WHERE forum_id = '$id'";
                        if ( !($result = $db->sql_query($sql)) )
                        {
                                message_die(GENERAL_ERROR, 'Could not get topic count', '', __LINE__, __FILE__, $sql);
                        }

                        $total_topics = ( $row = $db->sql_fetchrow($result) ) ? ( ( $row['total'] ) ? $row['total'] : 0 ) : 0;

                        $sql = "UPDATE " . FORUMS_TABLE . "
                                SET forum_last_post_id = '$last_post', forum_posts = '$total_posts', forum_topics = '$total_topics'
                                WHERE forum_id = '$id'";
                        if ( !$db->sql_query($sql) )
                        {
                                message_die(GENERAL_ERROR, 'Could not update forum', '', __LINE__, __FILE__, $sql);
                        }
                        break;

                case 'topic':
                        $sql = "SELECT MAX(post_id) AS last_post, MIN(post_id) AS first_post, COUNT(post_id) AS total_posts
                                FROM " . POSTS_TABLE . "
                                WHERE topic_id = '$id'";
                        if ( !($result = $db->sql_query($sql)) )
                        {
                                message_die(GENERAL_ERROR, 'Could not get post ID', '', __LINE__, __FILE__, $sql);
                        }

                        if ( $row = $db->sql_fetchrow($result) )
                        {
                        if ($row['total_posts'])
                        {
                                // Correct the details of this topic
                                $sql = 'UPDATE ' . TOPICS_TABLE . '
                                SET topic_replies = ' . ($row['total_posts'] - 1) . ', topic_first_post_id = ' . $row['first_post'] . ', topic_last_post_id = ' . $row['last_post'] . "
                                WHERE topic_id = '$id'";

                        if (!$db->sql_query($sql))
                        {
                           message_die(GENERAL_ERROR, 'Could not update topic', '', __LINE__, __FILE__, $sql);
                        }
                        }
                        else
                        {
                        // There are no replies to this topic
                        // Check if it is a move stub
                        $sql = 'SELECT topic_moved_id
                        FROM ' . TOPICS_TABLE . "
                        WHERE topic_id = '$id'";

                        if (!($result = $db->sql_query($sql)))
                        {
                           message_die(GENERAL_ERROR, 'Could not get topic ID', '', __LINE__, __FILE__, $sql);
                        }

                        if ($row = $db->sql_fetchrow($result))
                        {
                        if (!$row['topic_moved_id'])
                        {
                           $sql = 'DELETE FROM ' . TOPICS_TABLE . " WHERE topic_id = $id";
          
                           if (!$db->sql_query($sql))
                           {
                              message_die(GENERAL_ERROR, 'Could not remove topic', '', __LINE__, __FILE__, $sql);
                        }
                    }
               }

               $db->sql_freeresult($result);
            }
                        }
                        break;
        }

        return true;
}