public static DynamoMonthlyMeasurementModel Map(ProcessedMeasurementEvent newMeasurementEvent)
{
var measurementFields = MapFields(newMeasurementEvent.MeasurementFields);
return(new DynamoMonthlyMeasurementModel(newMeasurementEvent.Id, newMeasurementEvent.MeasurementDate)
{
Chan = newMeasurementEvent.Channel,
DeviceId = newMeasurementEvent.User.UserId,
SId = newMeasurementEvent.SampleId,
BattPc = newMeasurementEvent.BatteryLevelPercentage,
RfPc = newMeasurementEvent.RfStrength,
Fields = measurementFields,
Tags = GetTags(newMeasurementEvent),
Location = MapLocation(newMeasurementEvent.Location),
DeleteAfter = newMeasurementEvent.DeleteAfter,
Expires = newMeasurementEvent.Expires,
Source = (int)newMeasurementEvent.Source
});
}
public async Task <ProcessedMeasurementEvent> ProcessAsync(NewMeasurementEvent newMeasurementEvent)
{
if (newMeasurementEvent.UserId == Guid.Empty)
{
_logger.LogInformation("Not persisting measurement {0} as invalid user id. {1}",
newMeasurementEvent.Id,
newMeasurementEvent.UserId);
return(null);
}
try
{
Measurement measurement = MapFromNewMeasurementEvent(newMeasurementEvent);
User device = await _membershipService.LoadAsync(newMeasurementEvent.AccountId, newMeasurementEvent.UserId);
if (device == null)
{
return(null);
}
Measurement processedMeasurement = await ProcessMeasurementAsync(measurement, device, newMeasurementEvent.RemapOldFields);
ProcessedMeasurementEvent processedMeasurementEvent = CreateProcessedMeasurementEvent(processedMeasurement, device);
await _membershipService.UpdateFieldsAsync(device, processedMeasurementEvent);
return(processedMeasurementEvent);
}
catch (Exception ex)
{
_logger.LogError(ex, "Failed to process new measurement.");
// re-throw so that messaging keeps the message.
throw;
}
}
private async Task PublishProcessedMeasurements(ProcessedMeasurementEvent processedMeasurementEvent)
{
await _processedMeasurementStreamWriter.PushStreamAsync(processedMeasurementEvent);
}
/// <summary>
/// Notify the membership about any new fields that are on the device.
///
/// Note that this will cause a UserUpdated event that updates the local cached user object.
/// </summary>
/// <param name="device"></param>
/// <param name="processedMeasurementEvent"></param>
/// <returns></returns>
public async Task UpdateFieldsAsync(User device, ProcessedMeasurementEvent processedMeasurementEvent)
{
await CheckDeviceHasAllFieldsAsync(processedMeasurementEvent, device);
}
public async Task PushStreamAsync(ProcessedMeasurementEvent processedMeasurementEvent)
{
await Push(processedMeasurementEvent, processedMeasurementEvent.User.AccountId);
}
/// <summary>
/// Publish the ProcessedMeasurementEvent from the Measurements service
/// (i.e. the new event)
/// </summary>
private async Task PublishProcessedMeasurementEvent(ProcessedMeasurementEvent processedMeasurementEvent)
{
await _bus.PublishAsync(processedMeasurementEvent);
}
