/// <summary>
/// Extract the filter arguments from the request and returns them collected into an object.
/// </summary>
/// <param name="args"></param>
/// <returns></returns>
private AircraftListJsonBuilderFilter ConstructFilter(RequestReceivedEventArgs args)
{
var result = new AircraftListJsonBuilderFilter()
{
AltitudeLower = QueryNInt(args, "fAltL"),
AltitudeUpper = QueryNInt(args, "fAltU"),
CallsignContains = QueryString(args, "fCall", true),
DistanceLower = QueryNDouble(args, "fDstL"),
DistanceUpper = QueryNDouble(args, "fDstU"),
EngineTypeEquals = QueryNEnum <EngineType>(args, "fEgt"),
Icao24CountryContains = QueryString(args, "fCou", true),
IsInterestingEquals = QueryNBool(args, "fInt"),
IsMilitaryEquals = QueryNBool(args, "fMil"),
MustTransmitPosition = QueryNBool(args, "fNoPos") ?? false,
OperatorContains = QueryString(args, "fOp", true),
RegistrationContains = QueryString(args, "fReg", true),
SpeciesEquals = QueryNEnum <Species>(args, "fSpc"),
SquawkLower = QueryNInt(args, "fSqkL"),
SquawkUpper = QueryNInt(args, "fSqkU"),
TypeStartsWith = QueryString(args, "fTyp", true),
WakeTurbulenceCategoryEquals = QueryNEnum <WakeTurbulenceCategory>(args, "fWtc"),
};
double?northBounds = QueryNDouble(args, "fNBnd");
double?eastBounds = QueryNDouble(args, "fEBnd");
double?southBounds = QueryNDouble(args, "fSBnd");
double?westBounds = QueryNDouble(args, "fWBnd");
if (northBounds != null && southBounds != null && westBounds != null && eastBounds != null)
{
result.PositionWithin = new Pair <Coordinate>(
new Coordinate((float)northBounds, (float)westBounds),
new Coordinate((float)southBounds, (float)eastBounds)
);
}
return(result);
}
/// <summary>
/// Extract the filter arguments from the request and returns them collected into an object.
/// </summary>
/// <param name="args"></param>
/// <returns></returns>
private AircraftListJsonBuilderFilter ConstructFilter(RequestReceivedEventArgs args)
{
var result = new AircraftListJsonBuilderFilter();
foreach (string name in args.QueryString)
{
if (name.Length < 3)
{
continue;
}
var caselessName = name.ToUpper();
var partialName = caselessName.Substring(0, 3);
switch (partialName.ToUpper())
{
case "FAI": if (caselessName.StartsWith("FAIR"))
{
result.Airport = DecodeStringFilter(name, args.QueryString[name]);
}
break;
case "FAL": if (caselessName.StartsWith("FALT"))
{
result.Altitude = DecodeIntRangeFilter(result.Altitude, name, args.QueryString[name]);
}
break;
case "FCA": if (caselessName.StartsWith("FCALL"))
{
result.Callsign = DecodeStringFilter(name, args.QueryString[name]);
}
break;
case "FCO": if (caselessName.StartsWith("FCOU"))
{
result.Icao24Country = DecodeStringFilter(name, args.QueryString[name]);
}
break;
case "FDS": if (caselessName.StartsWith("FDST"))
{
result.Distance = DecodeDoubleRangeFilter(result.Distance, name, args.QueryString[name]);
}
break;
case "FEG": if (caselessName.StartsWith("FEGT"))
{
result.EngineType = DecodeEnumFilter <EngineType>(name, args.QueryString[name]);
}
break;
case "FIC": if (caselessName.StartsWith("FICO"))
{
result.Icao24 = DecodeStringFilter(name, args.QueryString[name]);
}
break;
case "FIN": if (caselessName.StartsWith("FINT"))
{
result.IsInteresting = DecodeBoolFilter(name, args.QueryString[name]);
}
break;
case "FMI": if (caselessName.StartsWith("FMIL"))
{
result.IsMilitary = DecodeBoolFilter(name, args.QueryString[name]);
}
break;
case "FNO": if (caselessName.StartsWith("FNOPOS"))
{
result.MustTransmitPosition = DecodeBoolFilter(name, args.QueryString[name]);
}
break;
case "FOP": if (caselessName.StartsWith("FOPICAO"))
{
result.OperatorIcao = DecodeStringFilter(name, args.QueryString[name]);
}
else
{
result.Operator = DecodeStringFilter(name, args.QueryString[name]);
}
break;
case "FRE": if (caselessName.StartsWith("FREG"))
{
result.Registration = DecodeStringFilter(name, args.QueryString[name]);
}
break;
case "FSP": if (caselessName.StartsWith("FSPC"))
{
result.Species = DecodeEnumFilter <Species>(name, args.QueryString[name]);
}
break;
case "FSQ": if (caselessName.StartsWith("FSQK"))
{
result.Squawk = DecodeIntRangeFilter(result.Squawk, name, args.QueryString[name]);
}
break;
case "FTY": if (caselessName.StartsWith("FTYP"))
{
result.Type = DecodeStringFilter(name, args.QueryString[name]);
}
break;
case "FUT": if (caselessName.StartsWith("FUT"))
{
result.UserTag = DecodeStringFilter(name, args.QueryString[name]);
}
break;
case "FWT": if (caselessName.StartsWith("FWTC"))
{
result.WakeTurbulenceCategory = DecodeEnumFilter <WakeTurbulenceCategory>(name, args.QueryString[name]);
}
break;
}
}
double?northBounds = QueryNDouble(args, "fNBnd");
double?eastBounds = QueryNDouble(args, "fEBnd");
double?southBounds = QueryNDouble(args, "fSBnd");
double?westBounds = QueryNDouble(args, "fWBnd");
if (northBounds != null && southBounds != null && westBounds != null && eastBounds != null)
{
result.PositionWithin = new Pair <Coordinate>(
new Coordinate((float)northBounds, (float)westBounds),
new Coordinate((float)southBounds, (float)eastBounds)
);
}
return(result);
}
/// <summary>
/// Returns true if the aircraft passes the filter criteria passed across.
/// </summary>
/// <param name="aircraft"></param>
/// <param name="filter"></param>
/// <returns></returns>
private bool PassesFilter(IAircraft aircraft, AircraftListJsonBuilderFilter filter)
{
bool result = filter == null;
if (!result)
{
result = true;
if (filter.AltitudeLower != null)
{
result = aircraft.Altitude != null && aircraft.Altitude >= filter.AltitudeLower;
}
if (result && filter.AltitudeUpper != null)
{
result = aircraft.Altitude != null && aircraft.Altitude <= filter.AltitudeUpper;
}
if (result && !String.IsNullOrEmpty(filter.CallsignContains))
{
result = aircraft.Callsign != null && aircraft.Callsign.Contains(filter.CallsignContains);
}
if (result && filter.EngineTypeEquals != null)
{
result = aircraft.EngineType == filter.EngineTypeEquals;
}
if (result && !String.IsNullOrEmpty(filter.Icao24CountryContains))
{
result = aircraft.Icao24Country != null && aircraft.Icao24Country.ToUpperInvariant().Contains(filter.Icao24CountryContains);
}
if (result && filter.IsInterestingEquals != null)
{
result = aircraft.IsInteresting == filter.IsInterestingEquals;
}
if (result && filter.IsMilitaryEquals != null)
{
result = aircraft.IsMilitary == filter.IsMilitaryEquals;
}
if (result && filter.MustTransmitPosition)
{
result = aircraft.Latitude != null && aircraft.Longitude != null;
}
if (result && !String.IsNullOrEmpty(filter.OperatorContains))
{
result = aircraft.Operator != null && aircraft.Operator.ToUpperInvariant().Contains(filter.OperatorContains);
}
if (result && filter.PositionWithin != null)
{
result = IsWithinBounds(aircraft.Latitude, aircraft.Longitude, filter.PositionWithin);
}
if (result && !String.IsNullOrEmpty(filter.RegistrationContains))
{
result = aircraft.Registration != null && aircraft.Registration.Contains(filter.RegistrationContains);
}
if (result && filter.SpeciesEquals != null)
{
result = aircraft.Species == filter.SpeciesEquals;
}
if (result && filter.SquawkLower != null)
{
result = aircraft.Squawk != null && aircraft.Squawk >= filter.SquawkLower;
}
if (result && filter.SquawkUpper != null)
{
result = aircraft.Squawk != null && aircraft.Squawk <= filter.SquawkUpper;
}
if (result && !String.IsNullOrEmpty(filter.TypeStartsWith))
{
result = aircraft.Type != null && aircraft.Type.StartsWith(filter.TypeStartsWith);
}
if (result && filter.WakeTurbulenceCategoryEquals != null)
{
result = aircraft.WakeTurbulenceCategory == filter.WakeTurbulenceCategoryEquals;
}
}
return(result);
}
/// <summary>
/// Extract the filter arguments from the request and returns them collected into an object.
/// </summary>
/// <param name="args"></param>
/// <returns></returns>
private AircraftListJsonBuilderFilter ConstructFilter(RequestReceivedEventArgs args)
{
var result = new AircraftListJsonBuilderFilter() {
AltitudeLower = QueryNInt(args, "fAltL"),
AltitudeUpper = QueryNInt(args, "fAltU"),
CallsignContains = QueryString(args, "fCall", true),
DistanceLower = QueryNDouble(args, "fDstL"),
DistanceUpper = QueryNDouble(args, "fDstU"),
EngineTypeEquals = QueryNEnum<EngineType>(args, "fEgt"),
Icao24CountryContains = QueryString(args, "fCou", true),
IsInterestingEquals = QueryNBool(args, "fInt"),
IsMilitaryEquals = QueryNBool(args, "fMil"),
MustTransmitPosition = QueryNBool(args, "fNoPos") ?? false,
OperatorContains = QueryString(args, "fOp", true),
RegistrationContains = QueryString(args, "fReg", true),
SpeciesEquals = QueryNEnum<Species>(args, "fSpc"),
SquawkLower = QueryNInt(args, "fSqkL"),
SquawkUpper = QueryNInt(args, "fSqkU"),
TypeStartsWith = QueryString(args, "fTyp", true),
WakeTurbulenceCategoryEquals = QueryNEnum<WakeTurbulenceCategory>(args, "fWtc"),
};
double? northBounds = QueryNDouble(args, "fNBnd");
double? eastBounds = QueryNDouble(args, "fEBnd");
double? southBounds = QueryNDouble(args, "fSBnd");
double? westBounds = QueryNDouble(args, "fWBnd");
if(northBounds != null && southBounds != null && westBounds != null && eastBounds != null) {
result.PositionWithin = new Pair<Coordinate>(
new Coordinate((float)northBounds, (float)westBounds),
new Coordinate((float)southBounds, (float)eastBounds)
);
}
return result;
}
/// <summary>
/// Returns true if the aircraft passes the filter criteria passed across.
/// </summary>
/// <param name="aircraft"></param>
/// <param name="filter"></param>
/// <returns></returns>
private bool PassesFilter(IAircraft aircraft, AircraftListJsonBuilderFilter filter)
{
bool result = filter == null;
if(!result) {
result = true;
if(filter.AltitudeLower != null) result = aircraft.Altitude != null && aircraft.Altitude >= filter.AltitudeLower;
if(result && filter.AltitudeUpper != null) result = aircraft.Altitude != null && aircraft.Altitude <= filter.AltitudeUpper;
if(result && !String.IsNullOrEmpty(filter.CallsignContains)) result = aircraft.Callsign != null && aircraft.Callsign.Contains(filter.CallsignContains);
if(result && filter.EngineTypeEquals != null) result = aircraft.EngineType == filter.EngineTypeEquals;
if(result && !String.IsNullOrEmpty(filter.Icao24CountryContains)) result = aircraft.Icao24Country != null && aircraft.Icao24Country.ToUpperInvariant().Contains(filter.Icao24CountryContains);
if(result && filter.IsInterestingEquals != null) result = aircraft.IsInteresting == filter.IsInterestingEquals;
if(result && filter.IsMilitaryEquals != null) result = aircraft.IsMilitary == filter.IsMilitaryEquals;
if(result && filter.MustTransmitPosition) result = aircraft.Latitude != null && aircraft.Longitude != null;
if(result && !String.IsNullOrEmpty(filter.OperatorContains)) result = aircraft.Operator != null && aircraft.Operator.ToUpperInvariant().Contains(filter.OperatorContains);
if(result && filter.PositionWithin != null) result = IsWithinBounds(aircraft.Latitude, aircraft.Longitude, filter.PositionWithin);
if(result && !String.IsNullOrEmpty(filter.RegistrationContains)) result = aircraft.Registration != null && aircraft.Registration.Contains(filter.RegistrationContains);
if(result && filter.SpeciesEquals != null) result = aircraft.Species == filter.SpeciesEquals;
if(result && filter.SquawkLower != null) result = aircraft.Squawk != null && aircraft.Squawk >= filter.SquawkLower;
if(result && filter.SquawkUpper != null) result = aircraft.Squawk != null && aircraft.Squawk <= filter.SquawkUpper;
if(result && !String.IsNullOrEmpty(filter.TypeStartsWith)) result = aircraft.Type != null && aircraft.Type.StartsWith(filter.TypeStartsWith);
if(result && filter.WakeTurbulenceCategoryEquals != null) result = aircraft.WakeTurbulenceCategory == filter.WakeTurbulenceCategoryEquals;
}
return result;
}