/// <summary>
/// Update from METAR Callback data
/// </summary>
/// <param name="metarDatas"></param>
public void Update(MetarTafDataList metarDatas)
{
var closest = metarDatas.GetClosest(SC.SimConnectClient.Instance.HudBarModule.Lat, SC.SimConnectClient.Instance.HudBarModule.Lon);
if (closest.Valid)
{
MText = closest.Pretty;
StationText = $"{closest.Data.Station.StationID}";
if (!float.IsNaN(closest.Distance_nm))
{
StationText += $" {closest.Distance_nm:##0.0} nm @{closest.Bearing_deg:000}°";
}
HasNewData = true;
ConditionColor =
(closest.Data.FlightCategory.FlightCategoryColor == "green") ? GUI.GUI_Colors.ColorType.cMetG :
(closest.Data.FlightCategory.FlightCategoryColor == "blue") ? GUI.GUI_Colors.ColorType.cMetB :
(closest.Data.FlightCategory.FlightCategoryColor == "red") ? GUI.GUI_Colors.ColorType.cMetR :
(closest.Data.FlightCategory.FlightCategoryColor == "magenta") ? GUI.GUI_Colors.ColorType.cMetM :
(closest.Data.FlightCategory.FlightCategoryColor == "black") ? GUI.GUI_Colors.ColorType.cMetK : // SUB ILS
(closest.Data.FlightCategory.FlightCategoryColor == "white") ? GUI.GUI_Colors.ColorType.cMetR : GUI.GUI_Colors.ColorType.cActBG; // unknown
}
else
{
MText = "";
StationText = "n.a.";
HasNewData = true;
ConditionColor = GUI.GUI_Colors.ColorType.cActBG;
}
}
/// <summary>
/// Decodes a METAR / TAF message received as CSV
/// Returns one or more MetarTafData Records as List
/// </summary>
/// <param name="csvData">The Metar/Taf Message</param>
/// <returns>A list of MetarTafData</returns>
internal static MetarTafDataList DecodeCSV(string csvData)
{
// arrives as
/*
* No errors
* No warnings
* 3 ms
* data source=tafs
* N results
* header line
* value line
*/
var ret = new MetarTafDataList();
if (string.IsNullOrEmpty(csvData))
{
var rec = new MetarTafData(); ret.Add(rec);
rec.Error = $"Empty TAF record received";
rec.Valid = false;
return(ret);
}
using (var sr = new StringReader(csvData)) {
try {
var line = sr.ReadLine(); // errors
if (!line.StartsWith("No errors"))
{
var rec = new MetarTafData(); ret.Add(rec);
rec.Error = line;
rec.Valid = false;
return(ret);
}
line = sr.ReadLine( ); // warnings
line = sr.ReadLine( ); // response time
line = sr.ReadLine( ); // data sources
line = sr.ReadLine( ); // N results
string[] e = line.Split(new char[] { ' ' }); // get the N
if (!int.TryParse(e[0], out int nRec))
{
var rec = new MetarTafData(); ret.Add(rec);
rec.Error = $"TAF cannot derive number of records\n{line}";
rec.Valid = false;
return(ret);
}
if (nRec <= 0)
{
var rec = new MetarTafData(); ret.Add(rec);
rec.Error = $"TAF contains 0 records (not a known station?)\n{line}";
rec.Valid = false;
return(ret);
}
line = sr.ReadLine( ); // headers
if (!line.StartsWith($"{Fields.raw_text},"))
{
var rec = new MetarTafData(); ret.Add(rec);
rec.Error = $"Unrecognizable TAF record header format\n{line}";
rec.Valid = false;
return(ret);
}
// Create an item Lookup table
var hList = line.Split(new char[] { ',' }).ToList(); // the list of items from the header
var lookup = CreateLookup(line); // a lookup where the value is the item index in the list (and CSV line)
if (lookup.Count == 0)
{
var rec = new MetarTafData(); ret.Add(rec);
rec.Error = $"Field(s) not found in TAF record header format\n{line}";
rec.Valid = false;
return(ret);
}
// get all station reports
for (int i = 0; i < nRec; i++)
{
line = sr.ReadLine( ); // result line
ret.Add(DecodeCSVLine(line, lookup));
}
}
#pragma warning disable CS0168 // Variable is declared but never used
catch (Exception e) {
#pragma warning restore CS0168 // Variable is declared but never used
var rec = new MetarTafData(); ret.Add(rec);
rec.Error = $"Unrecognizable TAF record\n{csvData}";
rec.Valid = false;
}
return(ret);
}
}
