public static async Task <IActionResult> Run([HttpTrigger(AuthorizationLevel.Function, "post", Route = null)] HttpRequest req, ILogger log)
{
string requestBody = new StreamReader(req.Body).ReadToEnd();
dynamic source = JsonConvert.DeserializeObject(requestBody);
if (source == null)
{
log.LogError("Request Body cannot be empty");
return(new BadRequestObjectResult("Request Body cannot be empty"));
}
string meterNumber = source.MeterNumber;
int? id = source.Id;
if (string.IsNullOrWhiteSpace(meterNumber))
{
log.LogError("Meter Number cannot be empty");
return(new BadRequestObjectResult("Meter Number cannot be empty"));
}
if (!id.HasValue)
{
log.LogError("Id cannot be empty");
return(new BadRequestObjectResult("Id cannot be empty"));
}
try
{
registryManager = RegistryManager.CreateFromConnectionString(connString);
log.LogInformation("Creating device");
var primaryKey = await CreateDeviceIdentity(meterNumber, log);
var patchDocument = new JsonPatchDocument();
patchDocument.Add("/clientData/IoT Hub Info/Security/Primary Key", primaryKey);
log.LogInformation("Patching Source");
await OpisenseClient.PatchOpisenseSource(id.Value, patchDocument);
return(new OkObjectResult($"Device {meterNumber} created."));
}
catch (Exception e)
{
log.LogError(e.Message, e);
return(new ExceptionResult(e, true));
}
}
public static async Task RunCreateDeleteDevice([EventHubTrigger("createdelete", Connection = "EventHub")]
EventData[] messages, ILogger log)
{
foreach (var message in messages.Deserialize <dynamic>())
{
if (message.eventType == "Microsoft.Devices.DeviceCreated")
{
log.LogInformation("Received DeviceCreated message. Will create source and variables");
var sourceId = await OpisenseClient.CreateOpisenseSource(new
{
siteId = DefaultSiteIdForNewSources,
serialNumber = message.data.twin.deviceId,
energyTypeId = 17,
name = message.data.twin.deviceId,
sourceTypeId = 72,
timeZoneId = "UTC"
}, new List <object>
{
new
{
name = "Temperature",
unitId = 28, // Celsius Degrees
granularity = 15,
granularityTimeBase = "Minute",
quantityType = "Instantaneous",
mappingConfig = "temperature"
},
new
{
name = "Humidity",
unitId = 31, // Percentages
granularity = 15,
granularityTimeBase = "Minute",
quantityType = "Instantaneous",
mappingConfig = "humidity"
}
});
log.LogInformation($"Successfully created source<{sourceId}>");
}
else
{
log.LogInformation($"Received <{message.eventType}> message. Ignoring...");
}
}
}
public static async Task RunDataStream([EventHubTrigger("datahub", Connection = "EventHub")]
EventData[] messages, ILogger log)
{
var data = new List <OpisenseData>();
foreach (var eventData in messages)
{
var message =
JsonConvert.DeserializeObject <SimulatorMessage>(Encoding.UTF8.GetString(eventData.Body.Array));
data.Add(new OpisenseData
{
MeterNumber = message.DeviceId,
MappingConfig = "Temperature",
Data = new List <OpisenseDataPoint>
{
new OpisenseDataPoint
{
Date = eventData.SystemProperties.EnqueuedTimeUtc,
Value = message.Temperature
}
}
});
data.Add(new OpisenseData
{
MeterNumber = message.DeviceId,
MappingConfig = "Humidity",
Data = new List <OpisenseDataPoint>
{
new OpisenseDataPoint
{
Date = eventData.SystemProperties.EnqueuedTimeUtc,
Value = message.Humidity
}
}
});
}
await OpisenseClient.SendData(data.Merge());
}
