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<?php
require_once "sessions.php";
require_once "sanity_check.php";
require_once "functions.php";
require_once "config.php";
require_once "db.php";
$link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
if (DB_TYPE == "pgsql") {
pg_query($link, "set client_encoding = 'utf-8'");
pg_set_client_encoding("UNICODE");
}
login_sequence($link);
$owner_uid = $_SESSION["uid"];
if ($_SESSION["access_level"] < 10) {
header("Location: login.php"); die;
}
define('SCHEMA_VERSION', 13);
?>
<html>
<head>
<title>Database Updater</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel="stylesheet" type="text/css" href="update.css">
</head>
<body>
<h1>Database Updater</h1>
<?php
function getline($fp, $delim) {
$result = "";
while(!feof($fp)) {
$tmp = fgetc($fp);
if($tmp == $delim) {
return $result;
}
$result .= $tmp;
}
return $result;
}
$op = $_REQUEST["op"];
$result = db_query($link, "SELECT schema_version FROM ttrss_version");
$version = db_fetch_result($result, 0, "schema_version");
$update_files = glob("schema/versions/".DB_TYPE."/*sql");
$update_versions = array();
foreach ($update_files as $f) {
$m = array();
preg_match_all("/schema\/versions\/".DB_TYPE."\/(\d*)\.sql/", $f, $m,
PREG_PATTERN_ORDER);
if ($m[1][0]) {
$update_versions[$m[1][0]] = $f;
}
}
ksort($update_versions, SORT_NUMERIC);
$latest_version = max(array_keys($update_versions));
if ($version == $latest_version) {
print "Database schema is up to date (version $version).";
return;
}
if (!$op) {
print "<p class='warning'><b>Warning:</b> Please backup your database before proceeding.</p>";
print "<p>Your database schema version is $version. Latest version is ".
"$latest_version.</p>";
print "<p>Available incremental updates:";
foreach (array_keys($update_versions) as $v) {
if ($v > $version) {
print " <a href='$update_versions[$v]'>$v</a>";
}
}
print "</p>";
print "<a href='update.php?op=do'>Click here to perform updates.</a>";
} else if ($op == "do") {
print "<p>Performing updates (version: $version)...</p>";
$num_updates = 0;
foreach (array_keys($update_versions) as $v) {
if ($v == $version + 1) {
print "<p>Updating to version $v...</p>";
$fp = fopen($update_versions[$v], "r");
if ($fp) {
while (!feof($fp)) {
$query = trim(getline($fp, ";"));
if ($query != "") {
print "<p class='query'><b>QUERY:</b> $query</p>";
db_query($link, $query);
}
}
}
fclose($fp);
print "<p>Checking version... ";
$result = db_query($link, "SELECT schema_version FROM ttrss_version");
$version = db_fetch_result($result, 0, "schema_version");
if ($version == $v) {
print "OK!";
} else {
print "<b>ERROR!</b>";
return;
}
$num_updates++;
}
}
print "<p>Finished. Performed $num_updates updates up to schema
version $version.</p>";
}
?>
</body>
</html>
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