<?php
/************************************************************************
 * MXChange v0.2.1                                    Start: 09/27/2008 *
 * ===============                              Last change: 09/27/2008 *
 *                                                                      *
 * -------------------------------------------------------------------- *
 * File              : gen_refback.php                                  *
 * -------------------------------------------------------------------- *
 * Short description : Generate refback table including all refs        *
 * -------------------------------------------------------------------- *
 * Kurzbeschreibung  : Refback-Tabelle mit allen Refs generieren        *
 * -------------------------------------------------------------------- *
 * $Revision::                                                        $ *
 * $Date::                                                            $ *
 * $Tag:: 0.2.1-FINAL                                                 $ *
 * $Author::                                                          $ *
 * Needs to be in all Files and every File needs "svn propset           *
 * svn:keywords Date Revision" (autoprobset!) at least!!!!!!            *
 * -------------------------------------------------------------------- *
 * Copyright (c) 2003 - 2008 by Roland Haeder                           *
 * For more information visit: http://www.mxchange.org                  *
 *                                                                      *
 * 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.                                  *
 *                                                                      *
 * This program is distributed in the hope that it will be useful,      *
 * but WITHOUT ANY WARRANTY; without even the implied warranty of       *
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        *
 * GNU General Public License for more details.                         *
 *                                                                      *
 * You should have received a copy of the GNU General Public License    *
 * along with this program; if not, write to the Free Software          *
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,               *
 * MA  02110-1301  USA                                                  *
 ************************************************************************/

// Some security stuff...
if (!defined('__SECURITY')) {
	$INC = substr(dirname(__FILE__), 0, strpos(dirname(__FILE__), '/inc') + 4) . '/security.php';
	require($INC);
}

// Make sure our functions are there
LOAD_INC_ONCE("inc/libs/refback_functions.php");

// Sanity-check: Do we have ref level 0?
$result = SQL_QUERY("SELECT id FROM `{!_MYSQL_PREFIX!}_refsystem` WHERE level=0", __FILE__, __LINE__);
if (SQL_NUMROWS($result) > 0) {
	// Remove index temporaly
	SQL_ALTER_TABLE("ALTER TABLE `{!_MYSQL_PREFIX!}_refsystem` DROP INDEX `userid_level`", __FILE__, __LINE__);

	// Upgrade refsystem, ref-level 0 is silly here
	SQL_QUERY("UPDATE `{!_MYSQL_PREFIX!}_refsystem` SET level=level+1", __FILE__, __LINE__);

	// Add it again
	SQL_ALTER_TABLE("ALTER TABLE `{!_MYSQL_PREFIX!}_refsystem` ADD UNIQUE `userid_level` ( `userid`,`level` )", __FILE__, __LINE__);

	// Rebuild cache
	rebuildCacheFiles('refsystem', 'refsystem');
} // END - if

// Free result
SQL_FREERESULT($result);

// Reset the table
SQL_QUERY('TRUNCATE TABLE `{!_MYSQL_PREFIX!}_user_refs`', __FILE__, __LINE__);

// Begin with all users in level one
$result_direct = SQL_QUERY('SELECT u.userid
FROM `{!_MYSQL_PREFIX!}_user_data` AS u
WHERE u.refid=0
ORDER BY u.userid ASC', __FILE__, __LINE__);

// Do we have entries?
if (SQL_NUMROWS($result_direct) > 0) {
	// When 'walk' through all users
	while ($content = SQL_FETCHARRAY($result_direct)) {
		// Init level
		$GLOBALS['cache_array']['back_level'] = 1;

		// Update refback table
		//* DEBUG: */ echo "uid={$content['userid']}<br />\n";
		UPDATE_REFBACK_TABLE($content['userid']);
	} // END - while
} // END - if

// Free result
SQL_FREERESULT($result_direct);

//
?>