private static JsonPatch generatePatchForSensor(double value1, bool exists1, double value2 = -1, bool exists2 = false)
{
JsonPatch patch = new JsonPatch();
if (value1 >= 0)
{
if (exists1)
{
patch.AppendReplaceOp("/observationValue1", value1);
}
else
{
patch.AppendAddOp("/observationValue1", value1);
}
}
if (value2 >= 0)
{
if (exists2)
{
patch.AppendReplaceOp("/observationValue2", value2);
}
else
{
patch.AppendAddOp("/observationValue2", value2);
}
}
return(patch);
}
private static JsonPatch generatePatchForComponent(double value, bool exists)
{
JsonPatch patch = new JsonPatch();
if (exists)
{
patch.AppendReplaceOp("/computedHealth", value);
}
else
{
patch.AppendAddOp("/computedHealth", value);
}
return(patch);
}
private async static Task ProcessDataForDevice(JObject messageData, string deviceId, ILogger log)
{
deviceId = deviceId.Substring(deviceId.IndexOf('.') + 1);
string query = $"SELECT * FROM DigitalTwins T WHERE IS_OF_MODEL(T, 'dtmi:adt:chb:Sensor;1') AND T.deviceId = '{deviceId}'";
IList <object> items = await executeQuery(query);
double value1 = -1; double value2 = -1;
if (messageData.ContainsKey("temperature"))
{
value1 = double.Parse((messageData["temperature"].ToString()));
}
else if (messageData.ContainsKey("no2"))
{
value1 = double.Parse((messageData["co"].ToString()));
value2 = double.Parse((messageData["no2"].ToString()));
}
else if (messageData.ContainsKey("vehicles"))
{
value1 = double.Parse((messageData["vehicles"].ToString()));
value2 = double.Parse((messageData["trucks"].ToString()));
}
else if (messageData.ContainsKey("accelerometer"))
{
value1 = double.Parse((messageData["deflection"].ToString()));
value2 = double.Parse((messageData["accelerometer"].ToString()));
}
bool exists1 = (items.First() as JObject).ContainsKey("observationValue1");
bool exists2 = (items.First() as JObject).ContainsKey("observationValue2");
string dtId = (items.First() as JObject)["$dtId"].ToString();
string observedNodeId = (items.First() as JObject)["observes"].ToString();
JsonPatch patch = generatePatchForSensor(value1, exists1, value2, exists2);
try { await client.DigitalTwins.UpdateAsync(dtId, patch.Document); } catch {}
updateHigherLevelTwin(observedNodeId, log);
}
private static async void updateHigherLevelTwin(string dtId, ILogger log)
{
string query = $"SELECT * FROM DigitalTwins T WHERE IS_OF_MODEL(T, 'dtmi:adt:chb:Sensor;1') AND T.observes = '{dtId}'";
IList <object> items = await executeQuery(query);
double maxPercentage = 0;
foreach (JObject sensor in items)
{
if (sensor["type"].ToString().Equals("Interior Thermometer"))
{
double temperature = sensor.ContainsKey("observationValue1") ? double.Parse(sensor.GetValue("observationValue1").ToString()) : 0;
double percentage = temperature / TEMPERATURE_UPPER_LIMIT;
maxPercentage = (percentage > maxPercentage) ? percentage : maxPercentage;
}
else if (sensor["type"].ToString().Equals("Baseline Air Sensor"))
{
double co = sensor.ContainsKey("observationValue1") ? double.Parse(sensor.GetValue("observationValue1").ToString()) : 0;
double percentage = co / CO_UPPER_LIMIT;
maxPercentage = (percentage > maxPercentage) ? percentage : maxPercentage;
double no2 = sensor.ContainsKey("observationValue2") ? double.Parse(sensor.GetValue("observationValue2").ToString()) : 0;
percentage = no2 / NO2_UPPER_LIMIT;
maxPercentage = (percentage > maxPercentage) ? percentage : maxPercentage;
}
else if (sensor["type"].ToString().Equals("Exterior Thermometer"))
{
double temperature = sensor.ContainsKey("observationValue1") ? double.Parse(sensor.GetValue("observationValue1").ToString()) : 0;
double percentage = temperature / TEMPERATURE_UPPER_LIMIT;
maxPercentage = (percentage > maxPercentage) ? percentage : maxPercentage;
}
else if (sensor["type"].ToString().Equals("Tunnel Air Sensor"))
{
double co = sensor.ContainsKey("observationValue1") ? double.Parse(sensor.GetValue("observationValue1").ToString()) : 0;
double percentage = co / CO_UPPER_LIMIT;
maxPercentage = (percentage > maxPercentage) ? percentage : maxPercentage;
double no2 = sensor.ContainsKey("observationValue2") ? double.Parse(sensor.GetValue("observationValue2").ToString()) : 0;
percentage = no2 / NO2_UPPER_LIMIT;
maxPercentage = (percentage > maxPercentage) ? percentage : maxPercentage;
}
else if (sensor["type"].ToString().Equals("Vehicle Counter"))
{
double vehicleCount = sensor.ContainsKey("observationValue1") ? double.Parse(sensor.GetValue("observationValue1").ToString()) : 0;
double percentage = vehicleCount / VEHICLE_UPPER_LIMIT;
maxPercentage = (percentage > maxPercentage) ? percentage : maxPercentage;
double truckCount = sensor.ContainsKey("observationValue2") ? double.Parse(sensor.GetValue("observationValue2").ToString()) : 0;
percentage = truckCount / TRUCK_UPPER_LIMIT;
maxPercentage = (percentage > maxPercentage) ? percentage : maxPercentage;
}
else if (sensor["type"].ToString().Equals("Bridge Sensor"))
{
double deflection = sensor.ContainsKey("observationValue1") ? double.Parse(sensor.GetValue("observationValue1").ToString()) : 0;
double percentage = deflection / DEFLECTION_UPPER_LIMIT;
maxPercentage = (percentage > maxPercentage) ? percentage : maxPercentage;
double vibration = sensor.ContainsKey("observationValue2") ? double.Parse(sensor.GetValue("observationValue2").ToString()) : 0;
percentage = vibration / VIBRATION_UPPER_LIMIT;
maxPercentage = (percentage > maxPercentage) ? percentage : maxPercentage;
}
}
query = $"SELECT * FROM DigitalTwins T WHERE T.$dtId = '{dtId}'";
items = await executeQuery(query);
if (items.Count > 0)
{
bool exists = (items.First() as JObject).ContainsKey("computedHealth");
if (exists)
{
if (double.Parse(((items.First() as JObject)["computedHealth"]).ToString()) == (maxPercentage * 100))
{
return;
}
}
log.LogInformation($"{adtInstanceUrl} COMPUTED HEALTH FOR {dtId}: {maxPercentage * 100}");
JsonPatch patch = generatePatchForComponent(maxPercentage * 100, exists);
try { await client.DigitalTwins.UpdateAsync(dtId, patch.Document); } catch {}
}
}
