public void When(AttendeeScanOutPreceedsScanIn e)
{
}
public void When(AttendeeScanOutPreceedsScanIn e) => PublishToContributorClients(e);
public void AddScan(ScanInfo scanInfo)
{
if (this.State.CheckpointType == CheckpointType.Start && this.State.ReadingsOut.Count == 0)
{
// This is the first scan, emit information that happening has started
this.Apply(new FirstAttendeeForHappeningScanned(scanInfo.HappeningId));
}
const int DoubleReadingThresholdSeconds = 5;
Func <CheckpointScan, bool> match = reading => reading.PersonId.Equals(scanInfo.PersonId);
AttendeeScanBase scan;
var inReading = this.State.ReadingsIn.FirstOrDefault(match);
if (inReading != null)
{
if (this.State.ReadingsOut.Any(match))
{
// Both in and out readings already exists, do nothing
scan = new AttendeeDoubleScan(scanInfo)
{
Message = "Sekä sisään- että uloslukema on jo tallennettu."
};
}
else
{
// Check, that this is not a double reading
var difference = scanInfo.Timestamp.Subtract(inReading.TimeStamp);
if (difference < TimeSpan.FromSeconds(DoubleReadingThresholdSeconds))
{
scan = new AttendeeDoubleScan(scanInfo)
{
DifferenceSinceLastRead = difference.TotalSeconds,
Message =
string.Format(
CultureInfo.CurrentCulture,
"Luku tapahtui alle {0} s kuluessa edellisestä.",
DoubleReadingThresholdSeconds)
};
}
else
{
// Check that this out reading is not before in reading
if (inReading.TimeStamp > scanInfo.ScanTimestamp)
{
scan = new AttendeeScanOutPreceedsScanIn(scanInfo);
}
else
{
scan = new AttendeeScanOut(scanInfo);
}
}
}
}
else
{
if (this.State.CheckpointType == CheckpointType.Passthrough)
{
scan = new AttendeePassthroughScan(scanInfo);
}
else
{
// This is the first reading for this person on this checkpoint
scan = this.State.CheckpointType == CheckpointType.Start
? (AttendeeScanBase) new AttendeeScanOut(scanInfo)
: new AttendeeScanIn(scanInfo);
}
}
// Ensure, that event goes to the same checkpoint (should be correct already)
scan.CheckpointId = this.State.Id;
this.Apply(scan);
if (this.State.CheckpointType == CheckpointType.Start && scan is AttendeeScanOut)
{
this.Apply(new AttendeeScannedAtStartCheckpoint(scanInfo.HappeningId, scanInfo.PersonId));
}
if (this.State.CheckpointType == CheckpointType.Finish && scan is AttendeeScanIn)
{
this.Apply(new AttendeeScannedAtFinishCheckpoint(scanInfo.HappeningId, scanInfo.PersonId));
}
}