public async Task <IActionResult> Post()
{
var subscriber = new EventGridSubscriber();
using var ms = new MemoryStream();
await Request.Body.CopyToAsync(ms); ms.Position = 0;
using var sr = new StreamReader(ms);
var message = await sr.ReadToEndAsync();
ms.Position = 0;
var events = subscriber.DeserializeEventGridEvents(ms);
_logger.LogInformation($"{events.Length} Message(s) Received");
foreach (var evt in events)
{
_logger.LogInformation($"Handling {evt.EventType}: {evt.GetType().Name}");
evt.Validate();
_ = evt.Data switch
{
SubscriptionValidationEventData validationEvent => HandleValidationEvent(validationEvent),
IotHubDeviceTelemetryEventData iotData => await HandleIotData(iotData),
_ => HandleUnknown(evt.Data)
};
}
return(Ok());
}
private async Task <IActionResult> HandleIotData(IotHubDeviceTelemetryEventData iotData)
{
var aqEntry = await _aqMapper.Map(iotData);
if (aqEntry != null)
{
_context.AirQualityEntries.Add(aqEntry);
}
var wEntry = await _wMapper.Map(iotData);
if (wEntry != null)
{
_context.WeatherEntries.Add(wEntry);
}
await _context.SaveChangesAsync();
return(Ok());
}
public Task <AirQualitySensorEntry> Map(IotHubDeviceTelemetryEventData iotData)
{
if (iotData.SystemProperties["iothub-connection-device-id"] != "80:7d:3a:61:62:2b")
{
return(Task.FromResult <AirQualitySensorEntry>(null));
}
var data = Convert.FromBase64String(iotData.Body.ToString());
var decoded = Encoding.UTF8.GetString(data);
var body = JsonSerializer.Deserialize <AirQualitySensorData>(decoded, _jsonSerializerOptions);
_logger.LogInformation($"Air Quality Sensor Data Received: {body.pm25_aqi} from {body.SensorId}");
var entry = new AirQualitySensorEntry
{
DeviceId = body.SensorId,
SampleTime = body.DateTime,
Uptime = body.uptime,
WifiSignalStrength = body.rssi,
DewPoint_F = body.current_dewpoint_f,
Humidity = body.current_humidity,
Temperature_F = body.current_temp_f,
Pressure_mB = body.pressure,
PM1_0_ug_A = body.pm10_0_atm,
PM1_0_ug_B = body.pm10_0_atm_b,
PM2_5_ug_A = body.pm2_5_atm,
PM2_5_ug_B = body.pm2_5_atm_b,
PM10_0_ug_A = body.pm10_0_atm,
PM10_0_ug_B = body.pm10_0_atm_b,
P0_3_um_A = body.p_0_3_um,
P0_3_um_B = body.p_0_3_um_b,
P0_5_um_A = body.p_0_5_um,
P0_5_um_B = body.p_0_5_um_b,
P1_0_um_A = body.p_1_0_um,
P1_0_um_B = body.p_1_0_um_b,
P2_5_um_A = body.p_2_5_um,
P2_5_um_B = body.p_2_5_um_b,
P5_0_um_A = body.p_5_0_um,
P5_0_um_B = body.p_5_0_um_b,
P10_0_um_A = body.p_10_0_um,
P10_0_um_B = body.p_10_0_um_b,
PM2_5Index_A = body.pm25_aqi,
PM2_5Index_B = body.pm25_aqi_b,
PM2_5IndexColor_A = body.p25aqic,
PM2_5IndexColor_B = body.p25aqic_b
};
return(Task.FromResult(entry));
}
public Task <WeatherSensorEntry> Map(IotHubDeviceTelemetryEventData iotData)
{
if (iotData.SystemProperties["iothub-connection-device-id"] != "001D0A7112D8")
{
return(Task.FromResult <WeatherSensorEntry>(null));
}
var decoded = iotData.Body.ToString();
var body = JsonSerializer.Deserialize <WeatherStationData>(decoded, _jsonSerializerOptions);
_logger.LogInformation($"Weather Sensor Data Received: {body.Temp} from {iotData.SystemProperties["iothub-connection-device-id"]}");
var entry = new WeatherSensorEntry
{
DeviceId = body.DeviceId,
SampleTime = body.DateTime,
BarAbsolute = body.BarAbsolute,
BarSeaLevel = body.BarSeaLevel,
BarTrend = body.BarTrend,
DataStructureType = body.DataStructureType,
DewPoint = body.DewPoint,
DewPointIn = body.DewPointIn,
HeatIndex = body.HeatIndex,
HeatIndexIn = body.HeatIndexIn,
Hum = body.Hum,
HumIn = body.HumIn,
Lsid = body.Lsid,
RainfallDaily = body.RainfallDaily,
RainfallLast15_Min = body.RainfallLast15_Min,
RainfallLast24_Hr = body.RainfallLast24_Hr,
RainfallLast60_Min = body.RainfallLast60_Min,
RainfallMonthly = body.RainfallMonthly,
RainfallYear = body.RainfallYear,
RainRateHi = body.RainRateHi,
RainRateHiLast15_Min = body.RainRateHiLast15_Min,
RainRateLast = body.RainRateLast,
RainSize = body.RainSize,
RainStorm = body.RainStorm,
RainStormLast = body.RainStormLast,
RainStormLastEndAt = body.RainStormLastEndAt,
RainStormLastStartAt = body.RainStormLastStartAt,
RainStormStartAt = body.RainStormStartAt,
RxState = body.RxState,
SolarRad = body.SolarRad,
Temp = body.Temp,
TempIn = body.TempIn,
ThswIndex = body.ThswIndex,
ThwIndex = body.ThwIndex,
TransBatteryFlag = body.TransBatteryFlag,
Txid = body.Txid,
UvIndex = body.UvIndex,
WetBulb = body.WetBulb,
WindChill = body.WindChill,
WindDirAtHiSpeedLast10_Min = body.WindDirAtHiSpeedLast10_Min,
WindDirAtHiSpeedLast2_Min = body.WindDirAtHiSpeedLast2_Min,
WindDirLast = body.WindDirLast,
WindDirScalarAvgLast10_Min = body.WindDirScalarAvgLast10_Min,
WindDirScalarAvgLast1_Min = body.WindDirScalarAvgLast1_Min,
WindDirScalarAvgLast2_Min = body.WindDirScalarAvgLast2_Min,
WindSpeedAvgLast10_Min = body.WindSpeedAvgLast10_Min,
WindSpeedAvgLast1_Min = body.WindSpeedAvgLast1_Min,
WindSpeedAvgLast2_Min = body.WindSpeedAvgLast2_Min,
WindSpeedHiLast10_Min = body.WindSpeedHiLast10_Min,
WindSpeedHiLast2_Min = body.WindSpeedHiLast2_Min,
WindSpeedLast = body.WindSpeedLast
};
return(Task.FromResult(entry));
}