private static async Task <PromptResult> ReadAnswerFromStenoDeviceAsync(TermModel term)
{
string[] strokesAsSteno = term.Steno.Split(new[] { '/' }, StringSplitOptions.RemoveEmptyEntries);
var strokes = new List <Stroke>();
var cancellationTokenSource = new CancellationTokenSource();
IDisposable strokesReceived = _stenoDevice.StrokeReceived.Subscribe(
stroke =>
{
strokes.Add(stroke);
if (strokes.Count == strokesAsSteno.Length)
{
cancellationTokenSource.Cancel();
}
});
_stenoDevice.StartReadingStrokes();
try
{
while (!cancellationTokenSource.IsCancellationRequested)
{
try
{
await Task.Delay(TimeSpan.FromSeconds(1), cancellationTokenSource.Token);
}
catch (TaskCanceledException)
{
}
}
}
finally
{
strokesReceived.Dispose();
_stenoDevice.StopReadingStrokes();
}
string steno = strokes.Count == 1 ? $"/{strokes[0].Steno}" : string.Join("/", strokes.Select(x => x.Steno));
Console.WriteLine(steno);
return(PromptResult.Success(steno));
}
private static Task <PromptResult> ReadAnswerFromConsoleAsync(TermModel term)
{
string line = Console.ReadLine();
return(Task.FromResult(string.IsNullOrEmpty(line) ? PromptResult.Canceled() : PromptResult.Success(line)));
}