/// <summary>
/// Downloads and installs a mod update.
/// </summary>
/// <param name="update">The update info coming from the update server</param>
/// <param name="mod">The mod metadata from Everest for the installed mod</param>
/// <param name="button">The button for that mod shown on the interface</param>
private void downloadModUpdate(ModUpdateInfo update, EverestModuleMetadata mod, TextMenu.Button button)
{
task = new Task(() => {
// we will download the mod to Celeste_Directory/mod-update.zip at first.
string zipPath = Path.Combine(Everest.PathGame, "mod-update.zip");
try {
// download it...
button.Label = $"{update.Name.SpacedPascalCase()} ({Dialog.Clean("MODUPDATECHECKER_DOWNLOADING")})";
downloadMod(update, button, zipPath);
// verify its checksum
ModUpdaterHelper.VerifyChecksum(update, zipPath);
// mark restarting as required, as we will do weird stuff like closing zips afterwards.
if (!shouldRestart)
{
shouldRestart = true;
subHeader.TextColor = Color.OrangeRed;
subHeader.Title = $"{Dialog.Clean("MODUPDATECHECKER_MENU_HEADER")} ({Dialog.Clean("MODUPDATECHECKER_WILLRESTART")})";
}
// install it
button.Label = $"{update.Name.SpacedPascalCase()} ({Dialog.Clean("MODUPDATECHECKER_INSTALLING")})";
ModUpdaterHelper.InstallModUpdate(update, mod, zipPath);
// done!
button.Label = $"{update.Name.SpacedPascalCase()} ({Dialog.Clean("MODUPDATECHECKER_UPDATED")})";
// select another enabled option: the next one, or the last one if there is no next one.
if (menu.Selection + 1 > menu.LastPossibleSelection)
{
menu.Selection = menu.LastPossibleSelection;
}
else
{
menu.MoveSelection(1);
}
} catch (Exception e) {
// update failed
button.Label = $"{update.Name.SpacedPascalCase()} ({Dialog.Clean("MODUPDATECHECKER_FAILED")})";
Logger.Log("OuiModUpdateList", $"Updating {update.Name} failed");
Logger.LogDetailed(e);
button.Disabled = false;
// try to delete mod-update.zip if it still exists.
ModUpdaterHelper.TryDelete(zipPath);
}
// give the menu control back to the player
menu.Focused = true;
});
task.Start();
}
/// <summary>
/// Downloads and installs a mod update.
/// </summary>
/// <param name="update">The update info coming from the update server</param>
/// <param name="mod">The mod metadata from Everest for the installed mod</param>
/// <param name="button">The button for that mod shown on the interface</param>
private void downloadModUpdate(ModUpdateInfo update, EverestModuleMetadata mod, TextMenu.Button button)
{
task = new Task(() => {
// we will download the mod to Celeste_Directory/mod-update.zip at first.
string zipPath = Path.Combine(Everest.PathGame, "mod-update.zip");
try {
// download it...
button.Label = $"{update.Name} ({Dialog.Clean("MODUPDATECHECKER_DOWNLOADING")})";
downloadMod(update, button, zipPath);
// verify its checksum
string actualHash = BitConverter.ToString(Everest.GetChecksum("mod-update.zip")).Replace("-", "").ToLowerInvariant();
string expectedHash = update.xxHash[0];
Logger.Log("OuiModUpdateList", $"Verifying checksum: actual hash is {actualHash}, expected hash is {expectedHash}");
if (expectedHash != actualHash)
{
throw new IOException($"Checksum error: expected {expectedHash}, got {actualHash}");
}
// mark restarting as required, as we will do weird stuff like closing zips afterwards.
if (!shouldRestart)
{
shouldRestart = true;
subHeader.TextColor = Color.OrangeRed;
subHeader.Title = $"{Dialog.Clean("MODUPDATECHECKER_MENU_HEADER")} ({Dialog.Clean("MODUPDATECHECKER_WILLRESTART")})";
}
// install it
button.Label = $"{update.Name} ({Dialog.Clean("MODUPDATECHECKER_INSTALLING")})";
installMod(update, mod, zipPath);
// done!
button.Label = $"{update.Name} ({Dialog.Clean("MODUPDATECHECKER_UPDATED")})";
// select another enabled option: the next one, or the last one if there is no next one.
if (menu.Selection + 1 > menu.LastPossibleSelection)
{
menu.Selection = menu.LastPossibleSelection;
}
else
{
menu.MoveSelection(1);
}
} catch (Exception e) {
// update failed
button.Label = $"{update.Name} ({Dialog.Clean("MODUPDATECHECKER_FAILED")})";
Logger.Log("OuiModUpdateList", $"Updating {update.Name} failed");
Logger.LogDetailed(e);
button.Disabled = false;
// try to delete mod-update.zip if it still exists.
if (File.Exists(zipPath))
{
try {
Logger.Log("OuiModUpdateList", $"Deleting temp file {zipPath}");
File.Delete(zipPath);
} catch (Exception) {
Logger.Log("OuiModUpdateList", $"Removing {zipPath} failed");
}
}
}
// give the menu control back to the player
menu.Focused = true;
});
task.Start();
}
