public async Task<ActionResult> Index(string from, string body)
{
var request = new LightsRequest
{
Source = "twilio",
From = from,
Text = body
};
var lightsResponse = await _lightsService.HandleRequestAsync(request);
var response = new TwilioResponse();
if (_smsSettings.AllowResponses && lightsResponse.IsSuccess)
{
if (lightsResponse.IsScheduled && lightsResponse.ScheduledForUtc.HasValue)
{
response.Sms(string.Format("Ooops, you're in a queue! Don't worry, your lights have been scheduled for {0}. Merry Christmas from #157!",
lightsResponse.ScheduledForUtc.Value.ToString("HH:mm")));
}
else
{
response.Sms("Thanks! Your lights will be shown shortly. Merry Christmas from #157!");
}
}
return new TwiMLResult(response);
}
public async Task<LightsResponse> HandleRequestAsync(LightsRequest request)
{
var now = _dateTimeProvider.UtcNow();
var metric = new Metric
{
TimestampUtc = now,
RequestText = request.Text,
Source = request.Source,
From = request.From
};
var lightDisplay = await _lightDisplayParser.ParseAsync(request.Text);
if (lightDisplay.Colours.Count == 0)
{
await _metricWriter.SendAsync(metric);
return LightsResponse.Failure();
}
var scheduledEnqueueTimeUtc = _lastRequestUtc.AddMinutes(1);
if (now > scheduledEnqueueTimeUtc || (request.From == _lastRequestUser && !_isScheduleActive))
{
_lastRequestUtc = now;
_isScheduleActive = false;
await _busPublisher.PublishAsync(lightDisplay);
}
else
{
_isScheduleActive = true;
_lastRequestUtc = scheduledEnqueueTimeUtc;
await _busPublisher.PublishAsync(lightDisplay, scheduledEnqueueTimeUtc);
}
_lastRequestUser = request.From;
metric.IsValidCommand = true;
metric.DisplayType = lightDisplay.GetType().Name;
metric.Command = lightDisplay;
metric.IsScheduled = _isScheduleActive;
metric.ScheduledAtUtc = _isScheduleActive ? (DateTime?) scheduledEnqueueTimeUtc : null;
metric.ScheduledDelaySecs = _isScheduleActive ? (double?)(scheduledEnqueueTimeUtc - now).TotalSeconds : null;
await _metricWriter.SendAsync(metric);
return _isScheduleActive ? LightsResponse.Scheduled(scheduledEnqueueTimeUtc) : LightsResponse.Success();
}