public Tuple <bool, FlightNode, XmlNode, bool> ClassifyFlightAndGetTransferChanges(XmlNode xmlRoot)
{
/*
* Takes a FlightUpdated Notification messages and determines if there are any changes to the
* Tl--TransferLoads table
*/
XmlNamespaceManager nsmgr = new XmlNamespaceManager(xmlRoot.OwnerDocument.NameTable);
nsmgr.AddNamespace("ams", "http://www.sita.aero/ams6-xml-api-datatypes");
nsmgr.AddNamespace("amsmess", "http://www.sita.aero/ams6-xml-api-messages");
// Firstly, we are only interested in Arrival Flight Changes.
FlightNode flight = new FlightNode(xmlRoot, nsmgr);
DateTime lowerLimit = DateTime.Now.AddHours(Parameters.STO_LOWERLIMIT_HOURS);
DateTime upperLimit = DateTime.Now.AddHours(Parameters.STO_UPPERLIMIT_HOURS);
if (flight.sto < lowerLimit || flight.sto > upperLimit)
{
logger.Trace($"Flight outside window of interest {flight.sto} {flight.stoStr} Lower Limit: {lowerLimit} Upper Limit: {upperLimit} ");
return(new Tuple <bool, FlightNode, XmlNode, bool>(false, flight, null, true));
}
// The Flight is not an arrival, so stop processing
if (!flight.IsArrival())
{
logger.Trace("Flight was not an arrival");
return(new Tuple <bool, FlightNode, XmlNode, bool>(false, flight, null, false));
}
XmlNode transferChanges;
// Does the notification contain transfer changes?
try
{
transferChanges = xmlRoot.SelectSingleNode(".//ams:FlightChanges/ams:TableValueChange[@propertyName='Tl--_TransferLoads']", nsmgr);
}
catch (Exception)
{
logger.Trace("No Transfer Changes Found");
return(new Tuple <bool, FlightNode, XmlNode, bool>(false, null, null, false));
}
if (transferChanges == null)
{
logger.Trace("No Transfer Changes Found");
return(new Tuple <bool, FlightNode, XmlNode, bool>(false, null, null, false));
}
logger.Trace("Arrival flight with transfer changes " + flight.ToString());
return(new Tuple <bool, FlightNode, XmlNode, bool>(true, flight, transferChanges, false));
}
