/// <inheritdoc />
public void ReceiveOneWireXmlPost(Stream postData)
{
XDocument xDoc;
IEnumerable<XElement> xElements;
long javascriptUtcTimestamp;
decimal temperatureCelsius;
string romID;
string thermometerXmlNodeName;
// flot plots time data using javascript timestamps in UTC
// so we timestamp on the server using javascript timestamps
javascriptUtcTimestamp = UtcJavascriptTimestampHelper.Now;
try
{
// convert POST data into an xDocument
xDoc = ConvertXmlPostDataToXDocument(postData);
// get the descendent thermometers
thermometerXmlNodeName = WebConfigurationManager.AppSettings["thermometer_xml_node_name"];
xElements = xDoc.Descendants(thermometerXmlNodeName);
// for each child device
foreach (XElement xElement in xElements)
{
// get its romID
romID = null;
if (xElement.Elements("ROMId").FirstOrDefault() != null)
{
romID = xElement.Elements("ROMId").FirstOrDefault().Value.ToString();
}
// get its temperature
temperatureCelsius = Decimal.MinValue;
if (xElement.Elements("Temperature").FirstOrDefault() != null)
{
temperatureCelsius = Convert.ToDecimal(xElement.Elements("Temperature").FirstOrDefault().Value.ToString());
}
if (TemperatureHasExceededThreshold(temperatureCelsius, romID))
{
Emailer emailer = new Emailer();
emailer.SendWarningEmail(romID, temperatureCelsius, javascriptUtcTimestamp);
}
// get the data store
FlotDataTable flotDataTable = new FlotDataTable(romID);
// delete old data from the data store
flotDataTable.DeleteStaleData();
// append a new data point to the data store
flotDataTable.AppendDataPoint(javascriptUtcTimestamp, temperatureCelsius);
// save changes to the FlotDataTable
flotDataTable.Save();
FlotDataSet flotDataSet;
flotDataSet = new FlotDataSet(false, false);
flotDataSet.RecompleTheIndividualDataTableFilesIntoOneLargeDataSetFileIfEnoughTimeHasPassed(true);
}
}
catch (Exception ex)
{
}
}
/// <inheritdoc />
public FlotDataSet[] SendFlotDataSet()
{
FlotDataSet[] flotDataSets = new FlotDataSet[]
{
new FlotDataSet(true, true),
new FlotDataSet(true, false)
};
// do high resolution iff browser supports canvas.
return flotDataSets;
}
