private static void UpgradeToLatestStructureVersion(this IVault vault)
{
var pos = History.FindIndex(p => p.First == vault.GetStructureVersionToken());
if (pos == -1)
{
throw new ArgumentException(String.Format("Version '{0}' is not supported", vault.GetStructureVersionToken()));
}
if (pos == History.Count - 1)
{
return;
}
var origFilename = vault.Uri;
Func <int, String> namegen = i => origFilename + "." + vault.GetStructureVersionToken() + ".bak" + (i == 1 ? null : i.ToString());
var lastUsedIndex = 1.Seq(i => i + 1, i => File.Exists(namegen(i))).LastOrDefault();
var bakFilename = namegen(lastUsedIndex + 1);
vault.SaveAs(bakFilename);
History.Skip(pos + 1).ForEach(p => { p.Second(vault); vault.UpdateStructureVersionToken(p.First); });
(History.Last().First == Current).AssertTrue();
vault.UpdateStructureVersionToken(Current);
vault.SaveAs(origFilename);
}
public static bool EnsureIsOfLatestStructureVersion(this IVault vault)
{
if (vault == null)
{
return(false);
}
if (vault.GetBranchesRecursive().Count() == 0 &&
vault.GetValuesRecursive().Count() == 0 &&
vault.GetStructureVersionToken().IsNullOrEmpty())
{
vault.UpdateStructureVersionToken(StructureVersion.Current);
vault.SetDefault2();
vault.Save();
}
if (!vault.IsOfLatestStructureVersion())
{
var oldVersion = vault.GetStructureVersionToken();
if (History.Any(kvp => kvp.First == oldVersion))
{
Func <String, String> fmt = s => String.Format(s, oldVersion ?? Resources.Version_Empty, StructureVersion.Current);
if (MessageBox.Show(fmt(Resources.Version_UpgradeVaultToLatestVersion), Resources.Confirmation_Title,
MessageBoxButtons.YesNo, MessageBoxIcon.Warning, MessageBoxDefaultButton.Button2) == DialogResult.Yes)
{
try
{
vault.UpgradeToLatestStructureVersion();
MessageBox.Show(fmt(Resources.Version_UpgradeSucceeded), Resources.Version_UpgradeSucceeded_Title,
MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return(true);
}
catch (Exception)
{
MessageBox.Show(fmt(Resources.Version_UpgradeFailed), Resources.Version_UpgradeFailed_Title,
MessageBoxButtons.OK, MessageBoxIcon.Error);
vault.Dispose();
return(false);
}
}
else
{
vault.Dispose();
return(false);
}
}
else
{
Func <String, String> fmt = s => String.Format(s, oldVersion ?? Resources.Version_Empty, StructureVersion.Current);
MessageBox.Show(fmt(Resources.Version_UnknownVersion), Resources.Version_UnknownVersion_Title, MessageBoxButtons.OK, MessageBoxIcon.Error);
return(false);
}
}
else
{
return(true);
}
}
