/// <summary>
/// Gets the current devices for plugin from Homeseer
/// </summary>
/// <returns>Current devices for plugin</returns>
/// <exception cref="HspiException"></exception>
private IDictionary <string, DeviceClass> GetCurrentDevices()
{
var deviceEnumerator = HS.GetDeviceEnumerator() as clsDeviceEnumeration;
if (deviceEnumerator == null)
{
throw new HspiException(Invariant($"{Name} failed to get a device enumerator from HomeSeer."));
}
var currentDevices = new Dictionary <string, DeviceClass>();
do
{
ShutdownCancellationToken.ThrowIfCancellationRequested();
DeviceClass device = deviceEnumerator.GetNext();
if ((device != null) &&
(device.get_Interface(HS) != null) &&
(device.get_Interface(HS).Trim() == Name))
{
string address = device.get_Address(HS);
currentDevices.Add(address, device);
}
} while (!deviceEnumerator.Finished);
return(currentDevices);
}
private async Task RecordTrackedDevices()
{
var collector = await GetInfluxDBMeasurementsCollector().ConfigureAwait(false);
if (collector != null)
{
var deviceEnumerator = HS.GetDeviceEnumerator() as clsDeviceEnumeration;
do
{
DeviceClass device = deviceEnumerator.GetNext();
if (device != null)
{
if (collector.IsTracked(device.get_Ref(HS), null))
{
await RecordDeviceValue(collector, HS, device).ConfigureAwait(false);
}
}
ShutdownCancellationToken.ThrowIfCancellationRequested();
}while (!deviceEnumerator.Finished);
}
}
/// <summary>
/// Fetches the WU Data and update devices.
/// </summary>
/// <param name="existingDevices">The existing devices in HS.</param>
/// <param name="token">The token.</param>
/// <returns>Task</returns>
private async Task FetchAndUpdateDevices(IDictionary <string, DeviceClass> existingDevices, CancellationToken token)
{
if (string.IsNullOrWhiteSpace(pluginConfig.APIKey) || string.IsNullOrWhiteSpace(pluginConfig.StationId))
{
Trace.TraceWarning("Configuration not setup to fetch weather data");
return;
}
Trace.TraceInformation(Invariant($"Starting data fetch from WU Weather from station:{pluginConfig.StationId}"));
LogConfiguration();
WUWeatherService service = new WUWeatherService(pluginConfig.APIKey);
XmlDocument rootXmlDocument = await service.GetDataForStationAsync(pluginConfig.StationId, token).ConfigureAwait(false);
XPathNavigator rootNavigator = rootXmlDocument.CreateNavigator();
foreach (var deviceDefinition in WUWeatherData.DeviceDefinitions)
{
ShutdownCancellationToken.ThrowIfCancellationRequested();
existingDevices.TryGetValue(deviceDefinition.Name, out var rootDevice);
if (rootDevice == null)
{
// no root device exists yet so children won't exist
continue;
}
Unit currentUnit = pluginConfig.Unit;
XPathExpression childExpression = deviceDefinition.PathData.GetPath(currentUnit);
XPathNodeIterator childNodeIter = rootNavigator.Select(childExpression);
if (childNodeIter != null && childNodeIter.MoveNext())
{
XmlElement childElement = childNodeIter.Current.UnderlyingObject as XmlElement;
if (childElement == null)
{
Trace.TraceWarning(Invariant($"{deviceDefinition.Name} has invalid type in xml document."));
continue;
}
deviceDefinition.UpdateDeviceData(HS, rootDevice, childElement);
var childNavigator = childElement.CreateNavigator();
DateTimeOffset?lastUpdate = deviceDefinition.LastUpdateTime;
foreach (var childDeviceDefinition in deviceDefinition.Children)
{
string childAddress = CreateChildAddress(deviceDefinition.Name, childDeviceDefinition.Name);
existingDevices.TryGetValue(childAddress, out var childDevice);
if (childDevice != null)
{
ShutdownCancellationToken.ThrowIfCancellationRequested();
try
{
XPathExpression subExpression = childDeviceDefinition.PathData.GetPath(this.pluginConfig.Unit);
XPathNodeIterator elements = childNavigator.Select(subExpression);
childDeviceDefinition.UpdateDeviceData(HS, childDevice, elements);
if (lastUpdate.HasValue)
{
childDevice.set_Last_Change(HS, lastUpdate.Value.DateTime);
}
var scaledNumberDeviceData = childDeviceDefinition as ScaledNumberDeviceData;
if (scaledNumberDeviceData != null)
{
childDevice.set_ScaleText(HS, scaledNumberDeviceData.GetDeviceSuffix(currentUnit));
}
}
catch (OperationCanceledException)
{
}
catch (Exception ex)
{
Trace.TraceError(Invariant($"Failed to update [{childAddress}] with {ex.GetFullMessage()}"));
}
}
}
}
}
Trace.TraceInformation(Invariant($"Finished Processing update from station:{pluginConfig.StationId}"));
}
