public static async Task <string> Run([EventHubTrigger("globalazurethermometer", Connection = "EventHubConnection")]
EventData[] events, ILogger log)
{
log.LogInformation("Start listen to Thermometer eventhub");
var exceptions = new List <Exception>();
foreach (EventData eventData in events)
{
if (eventData.Body == null || eventData.Body.Array == null)
{
continue;
}
try
{
var messageBody = Encoding.UTF8.GetString(eventData.Body.Array, eventData.Body.Offset,
eventData.Body.Count);
log.LogInformation("Deserialize eventData Body");
var thermometerValuesUpdated = JsonConvert.DeserializeObject <ThermometerValuesUpdated>(messageBody);
var celsiusTemperature =
TemperatureConverter.FromFahrenheitToCelsius(thermometerValuesUpdated.Temperature);
thermometerValuesUpdated = new ThermometerValuesUpdated(thermometerValuesUpdated.DeviceId,
thermometerValuesUpdated.EventId,
thermometerValuesUpdated.DeviceName,
celsiusTemperature,
new UnitOfMeasurement("°C"),
thermometerValuesUpdated.CommunicationDate,
thermometerValuesUpdated.Who, thermometerValuesUpdated.When);
return(JsonConvert.SerializeObject(thermometerValuesUpdated));
}
catch (Exception ex)
{
exceptions.Add(ex);
log.LogError(ex.Message);
}
}
if (exceptions.Count > 1)
{
throw new AggregateException(exceptions);
}
if (exceptions.Count == 1)
{
throw exceptions.Single();
}
return(string.Empty);
}