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();
}
public async Task SendAsync(Metric metric)
{
await _elasticClient.IndexAsync(metric);
}