private static void ReplaceSensorData(SensorDto sensorDto, VehicleSnapshot vehicleSnapshot)
{
var sensor = vehicleSnapshot.Sensors[sensorDto.Name];
if (sensorDto.Timestamp >= sensor.Timestamp)
{
vehicleSnapshot.Sensors[sensorDto.Name] = VehicleSensorData.Create(sensorDto);
}
}
public async Task ProcessAsync(IEnumerable <EventDataWrapper> messages)
{
var policies = _policyRegistry.CreateAsyncPolicies();
var repository = _repositoryFactory.Create();
var groupedMessages = messages.Where(t => t.Properties.ContainsKey(Constants.VehicleId))
.GroupBy(t => t.Properties[Constants.VehicleId]);
foreach (var message in groupedMessages)
{
var id = message.Key.ToString();
_logger?.LogDebug($"Process event for vehicle {id}");
var vehicleSnapshot = repository.Get(id) ?? new VehicleSnapshot {
Id = id
};
message
.Select(t => Deserialize(t))
.Where(t => t != null && t.Quality >= Constants.QualityGate)
.ToList().ForEach(s =>
{
if (vehicleSnapshot.Sensors.ContainsKey(s.Name))
{
ReplaceSensorData(s, vehicleSnapshot);
}
else
{
vehicleSnapshot.Sensors.Add(s.Name, VehicleSensorData.Create(s));
}
});
await Polly.Policy.WrapAsync(policies).ExecuteAsync(async() =>
{
await repository.AddAsync(vehicleSnapshot);
_logger?.LogInformation($"Save snapshot for vehicle {id}");
});
}
;
}
