upgrade.php
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<?php
/**
* $Id$
*
* Copyright (c) 2006 Jam Warehouse http://www.jamwarehouse.com
*
* 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; using version 2 of the License.
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* -------------------------------------------------------------------------
*
* You can contact the copyright owner regarding licensing via the contact
* details that can be found on the KnowledgeTree web site:
*
* http://www.ktdms.com/
*/
$GLOBALS["checkup"] = true;
require_once('../config/dmsDefaults.php');
require_once(KT_LIB_DIR . '/upgrades/upgrade.inc.php');
function generateUpgradeTable () {
global $default;
$query = sprintf('SELECT value FROM %s WHERE name = "knowledgeTreeVersion"', $default->system_settings_table);
$lastVersion = DBUtil::getOneResultKey($query, 'value');
$currentVersion = $default->systemVersion;
$upgrades = describeUpgrade($lastVersion, $currentVersion);
$ret = "<table>\n";
$ret .= "<tr><th>Code</th><th>Description</th><th>Applied</th></tr>\n";
foreach ($upgrades as $upgrade) {
$ret .= sprintf("<tr><td>%s</td><td>%s</td><td>%s</td></tr>\n",
htmlspecialchars($upgrade->getDescriptor()),
htmlspecialchars($upgrade->getDescription()),
$upgrade->isAlreadyApplied() ? "Yes" : "No"
);
}
$ret .= '</table>';
return $ret;
}
function showResult($res) {
if (PEAR::isError($res)) {
if (is_a($res, 'Upgrade_Already_Applied')) {
return '<span style="color: orange">Already applied</span>';
}
return sprintf('<span style="color: red">%s</span>', htmlspecialchars($res->toString()));
}
if ($res === true) {
return '<span style="color: green">Success</span>';
}
if ($res === false) {
return '<span style="color: red">Failure</span>';
}
return $res;
}
function performAllUpgrades () {
global $default;
$query = sprintf('SELECT value FROM %s WHERE name = "knowledgeTreeVersion"', $default->system_settings_table);
$lastVersion = DBUtil::getOneResultKey($query, 'value');
$currentVersion = $default->systemVersion;
$upgrades = describeUpgrade($lastVersion, $currentVersion);
foreach ($upgrades as $upgrade) {
printf('<div style="float: right">%s</div>' . "\n", htmlspecialchars($upgrade->getDescription()));
ob_flush();
flush();
$res = $upgrade->performUpgrade();
printf('<div style="float: left">%s</div>', showResult($res));
print '<br style="clear: both">' . "\n";
ob_flush();
flush();
if (PEAR::isError($res)) {
if (!is_a($res, 'Upgrade_Already_Applied')) {
break;
}
}
if ($res === false) {
break;
}
}
return $ret;
}
if ($_REQUEST["go"] === "Upgrade") {
$performingUpgrade = true;
} else {
$upgradeTable = generateUpgradeTable();
}
?>
<html>
<head>
<title>KnowledgeTree Checkup</title>
<style>
th { text-align: left; }
td { vertical-align: top; }
</style>
</head>
<body>
<h1>KnowledgeTree Upgrades</h1>
<?php
if (!$performingUpgrade) {
print "
<p>The table below describes the upgrades that need to occur to
upgrade your KnowledgeTree installation to <strong>$default->systemVersion</strong>.
Click on the button below the table to perform the upgrades.</p>
";
} else {
print "
<p>The table below describes the upgrades that have occurred to
upgrade your KnowledgeTree installation to <strong>$default->systemVersion</strong>.
";
$upgradeTable = performAllUpgrades();
}
print $upgradeTable;
if (!$performingUpgrade) {
print '<form><input type="submit" name="go" value="Upgrade" /></form>';
} else {
print '<form><input type="submit" name="go" value="ShowUpgrades" /></form>';
}
?>
</body>
</html>