add new-style schema versions and updater

2026-01-05 22:59:16 +00:00 · 2007-02-24 17:46:39 +01:00
parent 1212419849
commit fecd57c886
24 changed files with 572 additions and 0 deletions
--- a/update.php
+++ b/update.php
@@ -0,0 +1,142 @@
+<?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>
+