<?php
/**************************************************************************\
* eGroupWare - Setup - change / convert system-charset *
* http://www.eGroupWare.org *
* Written by RalfBecker@outdoor-training.de *
* -------------------------------------------- *
* 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. *
\**************************************************************************/
/* $Id$ */
$diagnostics = 1; // can be set to 0=non, 1=some (default for now), 2=all
$phpgw_info = array();
$GLOBALS['phpgw_info']['flags'] = array(
'noheader' => True,
'nonavbar' => True,
'currentapp' => 'home',
'noapi' => True
);
include('./inc/functions.inc.php');
// Authorize the user to use setup app and load the database
// Does not return unless user is authorized
if (!$GLOBALS['phpgw_setup']->auth('Config') || @$_POST['cancel'])
{
Header('Location: index.php');
exit;
}
$GLOBALS['phpgw_setup']->loaddb();
$GLOBALS['phpgw_setup']->translation->setup_translation_sql();
$translation = &$GLOBALS['phpgw_setup']->translation->sql;
$translation->translation(True); // to get the mbstring warnings
$tpl_root = $GLOBALS['phpgw_setup']->html->setup_tpl_dir('setup');
$setup_tpl = CreateObject('phpgwapi.Template',$tpl_root);
$setup_tpl->set_file(array(
'T_head' => 'head.tpl',
'T_footer' => 'footer.tpl',
'T_system_charset' => 'system_charset.tpl',
));
$stage_title = lang('Change system-charset');
$stage_desc = lang('This program will convert your database to a new system-charset.');
if ($diagnostics || !@$_POST['convert'])
{
$GLOBALS['phpgw_setup']->html->show_header($stage_title,False,'config',$GLOBALS['phpgw_setup']->ConfigDomain . '(' . $phpgw_domain[$GLOBALS['phpgw_setup']->ConfigDomain]['db_type'] . ')');
}
if (@$_POST['convert'])
{
if (empty($_POST['current_charset']))
{
$errors[] = lang('You need to select your current charset!');
$GLOBALS['phpgw_setup']->html->show_header($stage_title,False,'config',$GLOBALS['phpgw_setup']->ConfigDomain . '(' . $phpgw_domain[$GLOBALS['phpgw_setup']->ConfigDomain]['db_type'] . ')');
}
else
{
convert_db($_POST['current_charset'],$_POST['new_charset'],$diagnostics);
if (!$diagnostics)
{
Header('Location: index.php');
}
echo '<h3>'.lang("Database successfully converted from '%1' to '%2'",$_POST[current_charset],$_POST[new_charset])."</h3>\n";
echo '<p>'.lang('Click <a href="index.php">here</a> to return to setup.')."</p>\n";
exit;
}
}
function convert_db($from,$to,$diagnostics=1)
{
if ($diagnostics) echo "<h3>Converting database from '$from' to '$to'</h3>\n";
@set_time_limit(0); // this might take a while
$db2 = $GLOBALS['phpgw_setup']->db;
$setup_info = $GLOBALS['phpgw_setup']->detection->get_versions();
$setup_info = $GLOBALS['phpgw_setup']->detection->get_db_versions($setup_info);
// Visit each app/setup dir, look for a phpgw_lang file
foreach($setup_info as $app => $data)
{
if ($diagnostics) echo "<p><b>$app</b>: ";
if (!isset($data['tables']) || !count($data['tables']) ||
!$GLOBALS['phpgw_setup']->app_registered($app) ||
!($table_definitions = $db2->get_table_definitions($app)))
{
if ($diagnostics) echo "skipping (no tables or not installed)</p>\n";
continue;
}
foreach($table_definitions as $table => $definition)
{
if ($diagnostics) { echo "<br>start converting table '$table' ... "; }
$db2->set_column_definitions($definitions['fd']);
$updates = 0;
$GLOBALS['phpgw_setup']->db->query("SELECT * FROM $table",__LINE__,__FILE__);
while($columns = $GLOBALS['phpgw_setup']->db->row(True))
{
$update = array();
foreach($columns as $name => $data)
{
switch($definition['fd'][$name]['type'])
{
case 'char':
case 'varchar':
case 'text':
case 'longtext':
$converted = $GLOBALS['translation']->convert($data,$from,$to);
if ($converted != $data)
{
$update[$name] = $converted;
}
break;
}
}
if (count($update))
{
if (count($definition['pk']))
{
$db2->query($query="UPDATE $table SET ".$db2->column_data_implode(',',$update)." WHERE ".$db2->column_data_implode(' AND ',$columns,True,$definition['pk']),__LINE__,__FILE__);
}
else
{
// if we have no primary key, we need to delete and re-write the row
$db2->query($query="DELETE FROM $table WHERE ".$db2->column_data_implode(' AND ',$columns),__LINE__,__FILE__);
if ($diagnostics > 1) echo " $query<br>\n";
$db2->query($query="INSERT INTO $table (".implode(',',array_keys($columns)).") VALUES (".$db2->column_data_implode(',',array_merge($columns,$update),False).")",__LINE__,__FILE__);
}
if ($diagnostics > 1) echo " $query<p>\n";
++$updates;
}
}
if ($diagnostics)
{
$GLOBALS['phpgw_setup']->db->query("SELECT count(*) FROM $table",__LINE__,__FILE__);
$GLOBALS['phpgw_setup']->db->next_record();
$total = $GLOBALS['phpgw_setup']->db->f(0);
echo " done, $updates/$total rows updated";
}
}
}
@$GLOBALS['phpgw_setup']->db->query("DELETE FROM phpgw_config WHERE config_app='phpgwapi' AND config_name='system_charset'",__LINE__,__FILE__);
$GLOBALS['phpgw_setup']->db->query("INSERT INTO phpgw_config (config_app,config_name,config_value) VALUES ('phpgwapi','system_charset','$to')",__LINE__,__FILE__);
}
$setup_tpl->set_var('stage_title',$stage_title);
$setup_tpl->set_var('stage_desc',$stage_desc);
$setup_tpl->set_var('error_msg',is_array($errors) ? implode('<br>',$errors) : ' ');
$setup_tpl->set_var('lang_convert',lang('Convert'));
$setup_tpl->set_var('lang_cancel',lang('Cancel'));
$setup_tpl->set_var('lang_current',lang('Current system-charset'));
$setup_tpl->set_var('lang_convert_to',lang('Charset to convert to'));
$setup_tpl->set_var('lang_warning','<b>'.lang('Setting the system-charset to UTF-8 (unicode) allows the coexistens of data from languages of different charsets.').'</b><br>'.
lang('If you use only languages of the same charset (eg. western european ones) you dont need to set a system-charset!'));
$installed_charsets = $translation->get_installed_charsets();
if ($translation->system_charset || count($installed_charsets) == 1)
{
reset($installed_charsets);
list($current_charset) = each($installed_charsets);
if ($translation->system_charset)
{
$current_charset = $translation->system_charset;
}
$setup_tpl->set_var('current_charset',"<b>$current_charset</b>".
"<input type=\"hidden\" name=\"current_charset\" value=\"$current_charset\">\n");
}
else
{
$options = '<option value="">'.lang('select one...')."</option>\n";
foreach($installed_charsets as $charset => $description)
{
$options .= "<option value=\"$charset\">$description</option>\n";
}
$setup_tpl->set_var('current_charset',"<select name=\"current_charset\">\n$options</select>\n");
}
if ($translation->system_charset == 'utf-8' || count($installed_charsets) == 1)
{
reset($installed_charsets);
list($other_charset) = each($installed_charsets);
if (!$translation->system_charset || $other_charset == $translation->system_charset)
{
$other_charset = 'utf-8';
}
$setup_tpl->set_var('new_charset',"<b>$other_charset</b><input type=\"hidden\" name=\"new_charset\" value=\"$other_charset\">\n");
}
else
{
if ($translation->system_charset != 'utf-8')
{
$options = '<option value="utf-8">'.lang('utf-8 (Unicode)')."</option>\n";
}
foreach($installed_charsets as $charset => $description)
{
if ($charset != $translation->system_charset)
{
$options .= "<option value=\"$charset\">$description</option>\n";
}
}
$setup_tpl->set_var('new_charset',"<select name=\"new_charset\">\n$options</select>\n");
}
$setup_tpl->pparse('out','T_system_charset');
$GLOBALS['phpgw_setup']->html->show_footer();
?>