public PredictRequestTS GetPredict(string predictorId, [Required, FromBody] Dictionary <string, object?> mainKeys)
{
var p = Lite.ParsePrimaryKey <PredictorEntity>(predictorId);
PredictorPredictContext pctx = PredictorPredictLogic.GetPredictContext(p);
PredictDictionary?fromEntity = mainKeys == null ? null : pctx.GetInputsFromParentKeys(pctx.ParseMainKeys(mainKeys));
PredictDictionary inputs = fromEntity ?? pctx.GetInputsEmpty();
PredictDictionary?originalOutputs = fromEntity;
PredictDictionary predictedOutputs = inputs.PredictBasic();
PredictRequestTS pmodel = pctx.CreatePredictModel(inputs, originalOutputs, predictedOutputs);
return(pmodel);
}
public PredictRequestTS UpdatePredict([Required, FromBody] PredictRequestTS request)
{
PredictorPredictContext pctx = PredictorPredictLogic.GetPredictContext(request.predictor);
PredictDictionary inputs = pctx.GetInputsFromRequest(request);
if (request.alternativesCount != null)
{
inputs.Options = new PredictionOptions {
AlternativeCount = request.alternativesCount
}
}
;
PredictDictionary predictedOutputs = inputs.PredictBasic();
request.SetOutput(predictedOutputs);
return(request);
}
public static PredictDictionary GetInputsFromRequest(this PredictorPredictContext pctx, PredictRequestTS request)
{
ParseValues(request, pctx);
return(new PredictDictionary(pctx.Predictor, null, null)
{
MainQueryValues = pctx.Predictor.MainQuery.Columns
.Select((col, i) => new { col, request.columns[i].value })
.Where(a => a.col !.Usage == PredictorColumnUsage.Input)
.Select(a => KeyValuePair.Create(a.col !, (object?)a.value))
.ToDictionaryEx(),
SubQueries = pctx.Predictor.SubQueries.Select(sq =>
{
var sqt = request.subQueries.Single(a => a.subQuery.Is(sq));
SplitColumns(sq, out var splitKeys, out var values);
return new PredictSubQueryDictionary(sq)
{
SubQueryGroups = sqt.rows.Select(array => KeyValuePair.Create(
array.Slice(0, splitKeys.Count),
values.Select((a, i) => KeyValuePair.Create(a, array[splitKeys.Count + i])).ToDictionary()
)).ToDictionary(ObjectArrayComparer.Instance)
};
}).ToDictionaryEx(a => a.SubQuery)
});
