private void When(MeterReadingsCollected @event)
{
if (LatestReadingDate == null || @event.Date > LatestReadingDate)
{
LatestReadingDate = @event.Date;
}
}
private IEvent Map(MeterReadingsCollected e)
{
var monitorReadings =
e.Readings.Select(t => new MonitorReading(t.Timestamp, t.Value)).ToList();
var retVal = new MonitorReadingsCollected(e.Date, monitorReadings.ToArray());
retVal.Timestamp = e.Timestamp;
return(retVal);
}
private EventWrapper Transformer(MeterReadingsCollected e, EventWrapper original)
{
var newStreamId = ReplaceMeterWithMonitor(original.StreamInfo.Id);
var newEventId = $"{newStreamId}:{original.StreamInfo.Version}";
var monitorReadings =
e.Readings.Select(x => new MonitorReading(x.Timestamp, x.Value));
var newEvent = new MonitorReadingsCollected(e.Date, monitorReadings.ToArray());
newEvent.Timestamp = e.Timestamp;
var expectedValue = CreateEventWrapper(newEventId, newStreamId, original.StreamInfo.Version,
newEvent);
return(expectedValue);
}
public async Task SC02_AppendToExistingStreamAsync()
{
var eventStore = new CosmosDBEventStore(EndpointUri, AuthKey, Database);
var streamId = $"meter:87000001";
var stream = await eventStore.LoadStreamAsync(streamId);
var readingsCollected = new MeterReadingsCollected
{
Date = DateTime.Today,
Readings = GenerateMeterReadings(DateTime.Today).ToArray()
};
var succes = await eventStore.AppendToStreamAsync(
streamId,
stream.Version,
new IEvent[] { readingsCollected });
Assert.IsTrue(succes, "Unexpected stream version encountered.");
}
public async Task SC02_AppendToExistingStreamAsync()
{
IEventStore eventStore = new CosmosEventStore(this, EndpointUrl, AuthorizationKey, DatabaseId);
var streamId = $"meter:87000001";
var stream = await eventStore.LoadStreamAsync(streamId);
var readingsCollected = new MeterReadingsCollected
{
Date = new DateTime(2020, 4, 30),
Readings = GenerateMeterReadings(new DateTime(2020, 4, 30)).ToArray()
};
var succes = await eventStore.AppendToStreamAsync(
streamId,
stream.Version,
new IEvent[] { readingsCollected });
Assert.IsTrue(succes, "Unexpected stream version encountered.");
}
private void When(MeterReadingsCollected @event)
{
}
private void WhenReadingsCollected(MeterReadingsCollected meterReadingsCollected, DailyTotalsByWeek view)
{
view.Consumption[meterReadingsCollected.Date] = meterReadingsCollected.Readings.Sum(r => r.Value);
}
private void WhenMeterReadingsCollected(MeterReadingsCollected e, MeterProjection view)
{
view.LatestReadingDate = e.Date;
}
