public async Task<string> AskAsync(Question question)
{
var b = new WriteOnceBlock<string>(s => s);
question.answerBlock = b;
// TODO: handle if buffer refuses message? If task.Result is false
var task = await buf.SendAsync(question);
return await b.ReceiveAsync();
}
public async Task<string> AskAsync(Question question) => await Task.Run(() =>
{
output.WriteLine(question.Preamble);
var match = false;
string response = null;
while (!match)
{
output.WriteLine(question.Query);
response = input.ReadLine()?.Trim();
match = question.Answers.Any(a => a.EqualsOrdIgnoreCase(response));
if (!match)
{
var answers = string.Join(", ", question.Answers);
output.WriteLine($"\nAnswer must be one of these values: {answers}");
}
}
return response;
});
public Task<string> AskAsync(Question question)
{
return Task.FromResult(Answer);
}
public Task<string> AskAsync(Question question)
{
return null;
}
