private AircraftListJsonBuilderFilter ExpandModelFilters(List<GetAircraftListFilter> filters)
{
AircraftListJsonBuilderFilter result = null;
if(filters != null) {
foreach(var jsonFilter in filters) {
switch(jsonFilter.Field) {
case GetAircraftListFilterField.Airport: result = JsonToStringFilter(jsonFilter, result, (f,v) => f.Airport = v); break;
case GetAircraftListFilterField.Altitude: result = JsonToIntRangeFilter(jsonFilter, result, (f,v) => f.Altitude = v); break;
case GetAircraftListFilterField.Callsign: result = JsonToStringFilter(jsonFilter, result, (f,v) => f.Callsign = v); break;
case GetAircraftListFilterField.Country: result = JsonToStringFilter(jsonFilter, result, (f,v) => f.Icao24Country = v); break;
case GetAircraftListFilterField.Distance: result = JsonToDoubleRangeFilter(jsonFilter, result, (f,v) => f.Distance = v); break;
case GetAircraftListFilterField.HasPosition: result = JsonToBoolFilter(jsonFilter, result, (f,v) => f.MustTransmitPosition = v); break;
case GetAircraftListFilterField.Icao: result = JsonToStringFilter(jsonFilter, result, (f,v) => f.Icao24 = v); break;
case GetAircraftListFilterField.IsInteresting: result = JsonToBoolFilter(jsonFilter, result, (f,v) => f.IsInteresting = v); break;
case GetAircraftListFilterField.IsMilitary: result = JsonToBoolFilter(jsonFilter, result, (f,v) => f.IsMilitary = v); break;
case GetAircraftListFilterField.ModelIcao: result = JsonToStringFilter(jsonFilter, result, (f,v) => f.Type = v); break;
case GetAircraftListFilterField.Operator: result = JsonToStringFilter(jsonFilter, result, (f,v) => f.Operator = v); break;
case GetAircraftListFilterField.OperatorIcao: result = JsonToStringFilter(jsonFilter, result, (f,v) => f.OperatorIcao = v); break;
case GetAircraftListFilterField.PositionBounds: result = JsonToCoordPair(jsonFilter, result, (f,v) => f.PositionWithin = v); break;
case GetAircraftListFilterField.Registration: result = JsonToStringFilter(jsonFilter, result, (f,v) => f.Registration = v); break;
case GetAircraftListFilterField.Squawk: result = JsonToIntRangeFilter(jsonFilter, result, (f,v) => f.Squawk = v); break;
case GetAircraftListFilterField.UserTag: result = JsonToStringFilter(jsonFilter, result, (f,v) => f.UserTag = v); break;
case GetAircraftListFilterField.EngineType: result = JsonToEnumFilter<EngineType>(jsonFilter, result, (f,v) => f.EngineType = v); break;
case GetAircraftListFilterField.Species: result = JsonToEnumFilter<Species>(jsonFilter, result, (f,v) => f.Species = v); break;
case GetAircraftListFilterField.WTC: result = JsonToEnumFilter<WakeTurbulenceCategory>(jsonFilter, result, (f,v) => f.WakeTurbulenceCategory = v); break;
}
}
}
return result;
}
private void DoAssignFilter<T>(ref AircraftListJsonBuilderFilter result, Action<AircraftListJsonBuilderFilter, T> assignFilter, T filter)
{
if(result == null) {
result = new AircraftListJsonBuilderFilter();
}
assignFilter(result, filter);
}
private AircraftListJsonBuilderFilter AircraftListJsonBuilderFilterFromQueryString()
{
AircraftListJsonBuilderFilter result = null;
var query = PipelineContext.Request.Query;
foreach (var kvp in query.Where(r => r.Key.Length > 3 && (r.Key[0] == 'f' || r.Key[0] == 'F')))
{
var key = kvp.Key.ToUpper();
var value = kvp.Value == null || kvp.Value.Length < 1 ? "" : kvp.Value[0] ?? "";
switch (key.Substring(0, 3))
{
case "FAI": result = DecodeStringFilter("FAIR", key, value, result, (f, v) => f.Airport = v); break;
case "FCA": result = DecodeStringFilter("FCALL", key, value, result, (f, v) => f.Callsign = v); break;
case "FCO": result = DecodeStringFilter("FCOU", key, value, result, (f, v) => f.Icao24Country = v); break;
case "FIC": result = DecodeStringFilter("FICO", key, value, result, (f, v) => f.Icao24 = v); break;
case "FOP": result = DecodeStringFilter("FOPICAO", key, value, result, (f, v) => f.OperatorIcao = v);
result = DecodeStringFilter("FOP", key, value, result, (f, v) => f.Operator = v); break;
case "FRE": result = DecodeStringFilter("FREG", key, value, result, (f, v) => f.Registration = v); break;
case "FTY": result = DecodeStringFilter("FTYP", key, value, result, (f, v) => f.Type = v); break;
case "FUT": result = DecodeStringFilter("FUT", key, value, result, (f, v) => f.UserTag = v); break;
case "FIN": result = DecodeBoolFilter("FINT", key, value, result, (f, v) => f.IsInteresting = v); break;
case "FMI": result = DecodeBoolFilter("FMIL", key, value, result, (f, v) => f.IsMilitary = v); break;
case "FNO": result = DecodeBoolFilter("FNOPOS", key, value, result, (f, v) => f.MustTransmitPosition = v); break;
case "FAL": result = DecodeIntRangeFilter("FALT", key, value, result, f => f.Altitude, (f, v) => f.Altitude = v); break;
case "FSQ": result = DecodeIntRangeFilter("FSQK", key, value, result, f => f.Squawk, (f, v) => f.Squawk = v); break;
case "FDS": result = DecodeDoubleRangeFilter("FDST", key, value, result, f => f.Distance, (f, v) => f.Distance = v); break;
case "FEG": result = DecodeEnumFilter <EngineType> ("FEGT", key, value, result, (f, v) => f.EngineType = v); break;
case "FSP": result = DecodeEnumFilter <Species> ("FSPC", key, value, result, (f, v) => f.Species = v); break;
case "FWT": result = DecodeEnumFilter <WakeTurbulenceCategory>("FWTC", key, value, result, (f, v) => f.WakeTurbulenceCategory = v); break;
}
}
result = DecodeBounds(result, query["FNBND"], query["FWBND"], query["FSBND"], query["FEBND"]);
return(result);
}
private AircraftListJsonBuilderFilter JsonToCoordPair(GetAircraftListFilter jsonFilter, AircraftListJsonBuilderFilter result, Action<AircraftListJsonBuilderFilter, Pair<Coordinate>> assignPair)
{
if(jsonFilter.North != null && jsonFilter.South != null && jsonFilter.West != null && jsonFilter.East != null) {
if(result == null) {
result = new AircraftListJsonBuilderFilter();
}
result.PositionWithin = new Pair<Coordinate>(
new Coordinate(jsonFilter.North.Value, jsonFilter.West.Value),
new Coordinate(jsonFilter.South.Value, jsonFilter.East.Value)
);
}
return result;
}
private AircraftListJsonBuilderFilter DecodeBounds(AircraftListJsonBuilderFilter result, string northText, string westText, string southText, string eastText)
{
if(!String.IsNullOrEmpty(northText) && !String.IsNullOrEmpty(westText) && !String.IsNullOrEmpty(southText) && !String.IsNullOrEmpty(eastText)) {
if(double.TryParse(northText, NumberStyles.Any, CultureInfo.InvariantCulture, out double north) &&
double.TryParse(southText, NumberStyles.Any, CultureInfo.InvariantCulture, out double south) &&
double.TryParse(westText, NumberStyles.Any, CultureInfo.InvariantCulture, out double west) &&
double.TryParse(eastText, NumberStyles.Any, CultureInfo.InvariantCulture, out double east)) {
if(result == null) {
result = new AircraftListJsonBuilderFilter();
}
result.PositionWithin = new Pair<Coordinate>(
new Coordinate(north, west),
new Coordinate(south, east)
);
}
}
return result;
}
private AircraftListJsonBuilderFilter DecodeStringFilter(string prefix, string key, string value, AircraftListJsonBuilderFilter result, Action <AircraftListJsonBuilderFilter, FilterString> assignFilter)
{
var filter = new FilterString();
switch (DecodeFilter(prefix, filter, key))
{
case 'C':
case 'E':
case 'Q':
case 'S':
filter.Value = value;
DoAssignFilter(ref result, assignFilter, filter);
break;
}
return(result);
}
private AircraftListJsonBuilderFilter DecodeIntRangeFilter(string prefix, string key, string value, AircraftListJsonBuilderFilter result, Func <AircraftListJsonBuilderFilter, FilterRange <int> > getFilter, Action <AircraftListJsonBuilderFilter, FilterRange <int> > assignFilter)
{
if (int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out int intValue))
{
var filter = result == null ? new FilterRange <int>() : getFilter(result);
switch (DecodeFilter(prefix, filter, key))
{
case 'L': filter.LowerValue = intValue; break;
case 'U': filter.UpperValue = intValue; break;
default: filter = null; break;
}
if (filter != null)
{
DoAssignFilter(ref result, assignFilter, filter);
}
}
return(result);
}
private AircraftListJsonBuilderFilter DecodeEnumFilter <T>(string prefix, string key, string value, AircraftListJsonBuilderFilter result, Action <AircraftListJsonBuilderFilter, FilterEnum <T> > assignFilter)
where T : struct, IComparable
{
if (!String.IsNullOrEmpty(value) && Enum.TryParse <T>(value, out T enumValue))
{
if (Enum.IsDefined(typeof(T), enumValue))
{
var filter = new FilterEnum <T>()
{
Value = enumValue,
};
if (DecodeFilter(prefix, filter, key) == 'Q')
{
DoAssignFilter(ref result, assignFilter, filter);
}
}
}
return(result);
}
private AircraftListJsonBuilderFilter DecodeBoolFilter(string prefix, string key, string value, AircraftListJsonBuilderFilter result, Action <AircraftListJsonBuilderFilter, FilterBool> assignFilter)
{
var filter = new FilterBool();
if (DecodeFilter(prefix, filter, key) == 'Q')
{
if (!String.IsNullOrEmpty(value))
{
filter.Value = value != "0" && !value.Equals("false", StringComparison.OrdinalIgnoreCase);
DoAssignFilter(ref result, assignFilter, filter);
}
}
return(result);
}
private AircraftListJsonBuilderFilter JsonToStringFilter(GetAircraftListFilter jsonFilter, AircraftListJsonBuilderFilter result, Action <AircraftListJsonBuilderFilter, FilterString> assignFilter)
{
switch (jsonFilter.Condition)
{
case FilterCondition.Contains:
case FilterCondition.EndsWith:
case FilterCondition.Equals:
case FilterCondition.StartsWith:
DoAssignFilter(ref result, assignFilter, new FilterString()
{
Condition = jsonFilter.Condition,
Value = jsonFilter.Value ?? "",
ReverseCondition = jsonFilter.Not,
});
break;
}
return(result);
}
private AircraftListJsonBuilderFilter JsonToIntRangeFilter(GetAircraftListFilter jsonFilter, AircraftListJsonBuilderFilter result, Action <AircraftListJsonBuilderFilter, FilterRange <int> > assignFilter)
{
switch (jsonFilter.Condition)
{
case FilterCondition.Missing:
case FilterCondition.Between:
DoAssignFilter(ref result, assignFilter, new FilterRange <int>()
{
Condition = FilterCondition.Between,
LowerValue = (int?)jsonFilter.From,
UpperValue = (int?)jsonFilter.To,
ReverseCondition = jsonFilter.Not,
});
break;
}
return(result);
}
private AircraftListJsonBuilderFilter JsonToEnumFilter <T>(GetAircraftListFilter jsonFilter, AircraftListJsonBuilderFilter result, Action <AircraftListJsonBuilderFilter, FilterEnum <T> > assignFilter)
where T : struct, IComparable
{
switch (jsonFilter.Condition)
{
case FilterCondition.Missing:
case FilterCondition.Equals:
if (!String.IsNullOrEmpty(jsonFilter.Value) && Enum.TryParse <T>(jsonFilter.Value, out T enumValue))
{
if (Enum.IsDefined(typeof(T), enumValue))
{
DoAssignFilter(ref result, assignFilter, new FilterEnum <T>()
{
Condition = FilterCondition.Equals,
Value = enumValue,
ReverseCondition = jsonFilter.Not,
});
}
}
break;
}
return(result);
}
private AircraftListJsonBuilderFilter JsonToBoolFilter(GetAircraftListFilter jsonFilter, AircraftListJsonBuilderFilter result, Action <AircraftListJsonBuilderFilter, FilterBool> assignFilter)
{
switch (jsonFilter.Condition)
{
case FilterCondition.Missing:
case FilterCondition.Equals:
if (jsonFilter.Is != null)
{
DoAssignFilter(ref result, assignFilter, new FilterBool()
{
Condition = FilterCondition.Equals,
Value = jsonFilter.Is.Value,
ReverseCondition = jsonFilter.Not,
});
}
break;
}
return(result);
}