private Task InstallPackageKeys(PahkatClient pahkat, IEnumerable <PackageKey> packageKeys)
{
var source = new TaskCompletionSource <int>();
var actions = packageKeys
.Map(x => new PackageAction(x, InstallAction.Install, InstallTarget.System))
.ToArray();
Task.Run(async() => {
try {
Log.Debug("Starting install process");
pahkatToken = await pahkat.ProcessTransaction(actions, (message) => {
if (cancellationToken.IsCancellationRequested)
{
source.SetCanceled();
}
var app = (App)Application.Current;
var newState = app.CurrentTransaction.Value.Reduce(message);
app.CurrentTransaction.OnNext(newState);
Log.Debug($"{message}");
if (message.IsErrorState)
{
Log.Debug("Ending install process with error");
source.SetException(new Exception(message.AsTransactionError?.Error ??
$"An unknown error occurred while installing package with key: {message.AsTransactionError?.PackageKey ?? "<no key>"}"));
}
if (message.IsCompletionState)
{
Log.Debug("Ending install process");
source.SetResult(0);
}
});
}
catch (TaskCanceledException) {
source.SetCanceled();
}
});
return(source.Task);
}
