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import { action } from "mobx";
import { AggregateFunction, AggregateKey, AggregateParameters, AttributeColumnParameters, AttributeParameters, AverageAggregateParameters, Bin, BinningParameters, Brush, BrushEnum, CountAggregateParameters, DataType, EquiWidthBinningParameters, HistogramResult, MarginAggregateParameters, SingleBinBinningParameters, SingleDimensionAggregateParameters, SumAggregateParameters, AggregateBinRange, NominalBinRange, AlphabeticBinRange, Predicate, Schema, Attribute, AttributeGroup, Exception, AttributeBackendParameters, AttributeCodeParameters } from '../model/idea/idea';
import { ValueComparison } from "../core/filter/ValueComparision";
import { ArrayUtil } from "../utils/ArrayUtil";
import { AttributeModel, ColumnAttributeModel, BackendAttributeModel, CodeAttributeModel } from "../core/attribute/AttributeModel";
import { FilterModel } from "../core/filter/FilterModel";
import { AlphabeticVisualBinRange } from "./binRanges/AlphabeticVisualBinRange";
import { NominalVisualBinRange } from "./binRanges/NominalVisualBinRange";
import { VisualBinRangeHelper } from "./binRanges/VisualBinRangeHelper";
import { AttributeTransformationModel } from "../core/attribute/AttributeTransformationModel";
import { CurrentUserUtils } from "../../../server/authentication/models/current_user_utils";
export class ModelHelpers {
public static CreateAggregateKey(distinctAttributeParameters: AttributeParameters | undefined, atm: AttributeTransformationModel, histogramResult: HistogramResult,
brushIndex: number, aggParameters?: SingleDimensionAggregateParameters): AggregateKey {
{
if (aggParameters === undefined) {
aggParameters = ModelHelpers.GetAggregateParameter(distinctAttributeParameters, atm);
}
else {
aggParameters.attributeParameters = ModelHelpers.GetAttributeParameters(atm.AttributeModel);
}
return new AggregateKey(
{
aggregateParameterIndex: ModelHelpers.GetAggregateParametersIndex(histogramResult, aggParameters),
brushIndex: brushIndex
});
}
}
public static GetAggregateParametersIndex(histogramResult: HistogramResult, aggParameters?: AggregateParameters): number {
return Array.from(histogramResult.aggregateParameters!).findIndex((value, i, set) => {
if (set[i] instanceof CountAggregateParameters && value instanceof CountAggregateParameters) return true;
if (set[i] instanceof MarginAggregateParameters && value instanceof MarginAggregateParameters) return true;
if (set[i] instanceof SumAggregateParameters && value instanceof SumAggregateParameters) return true;
return false;
});
}
public static GetAggregateParameter(distinctAttributeParameters: AttributeParameters | undefined, atm: AttributeTransformationModel): AggregateParameters | undefined {
var aggParam: AggregateParameters | undefined;
if (atm.AggregateFunction === AggregateFunction.Avg) {
var avg = new AverageAggregateParameters();
avg.attributeParameters = ModelHelpers.GetAttributeParameters(atm.AttributeModel);
avg.distinctAttributeParameters = distinctAttributeParameters;
aggParam = avg;
}
else if (atm.AggregateFunction === AggregateFunction.Count) {
var cnt = new CountAggregateParameters();
cnt.attributeParameters = ModelHelpers.GetAttributeParameters(atm.AttributeModel);
cnt.distinctAttributeParameters = distinctAttributeParameters;
aggParam = cnt;
}
else if (atm.AggregateFunction === AggregateFunction.Sum) {
var sum = new SumAggregateParameters();
sum.attributeParameters = ModelHelpers.GetAttributeParameters(atm.AttributeModel);
sum.distinctAttributeParameters = distinctAttributeParameters;
aggParam = sum;
}
return aggParam;
}
public static GetAggregateParametersWithMargins(distinctAttributeParameters: AttributeParameters | undefined, atms: Array<AttributeTransformationModel>): Array<AggregateParameters> {
var aggregateParameters = new Array<AggregateParameters>();
atms.forEach(agg => {
var aggParams = ModelHelpers.GetAggregateParameter(distinctAttributeParameters, agg);
if (aggParams) {
aggregateParameters.push(aggParams);
var margin = new MarginAggregateParameters();
margin.aggregateFunction = agg.AggregateFunction;
margin.attributeParameters = ModelHelpers.GetAttributeParameters(agg.AttributeModel);
margin.distinctAttributeParameters = distinctAttributeParameters;
aggregateParameters.push(margin);
}
});
return aggregateParameters;
}
public static GetBinningParameters(attr: AttributeTransformationModel, nrOfBins: number, minvalue?: number, maxvalue?: number): BinningParameters {
if (attr.AggregateFunction === AggregateFunction.None) {
return new EquiWidthBinningParameters(
{
attributeParameters: ModelHelpers.GetAttributeParameters(attr.AttributeModel),
requestedNrOfBins: nrOfBins,
minValue: minvalue,
maxValue: maxvalue
});
}
else {
return new SingleBinBinningParameters(
{
attributeParameters: ModelHelpers.GetAttributeParameters(attr.AttributeModel)
});
}
}
public static GetAttributeParametersFromAttributeModel(am: AttributeModel): AttributeParameters {
if (am instanceof ColumnAttributeModel) {
return new AttributeColumnParameters(
{
rawName: am.CodeName,
visualizationHints: am.VisualizationHints
});
}
else if (am instanceof BackendAttributeModel) {
return new AttributeBackendParameters(
{
rawName: am.CodeName,
visualizationHints: am.VisualizationHints,
id: (am).Id
});
}
else if (am instanceof CodeAttributeModel) {
return new AttributeCodeParameters(
{
rawName: am.CodeName,
visualizationHints: am.VisualizationHints,
code: (am).Code
});
}
else {
throw new Exception();
}
}
public static GetAttributeParameters(am: AttributeModel): AttributeParameters {
return this.GetAttributeParametersFromAttributeModel(am);
}
public static OverlapBrushIndex(histogramResult: HistogramResult): number {
var brush = ArrayUtil.First(histogramResult.brushes!, (b: any) => b.brushEnum === BrushEnum.Overlap);
return ModelHelpers.GetBrushIndex(histogramResult, brush);
}
public static AllBrushIndex(histogramResult: HistogramResult): number {
var brush = ArrayUtil.First(histogramResult.brushes!, (b: any) => b.brushEnum === BrushEnum.All);
return ModelHelpers.GetBrushIndex(histogramResult, brush);
}
public static RestBrushIndex(histogramResult: HistogramResult): number {
var brush = ArrayUtil.First(histogramResult.brushes!, (b: Brush) => b.brushEnum === BrushEnum.Rest);
return ModelHelpers.GetBrushIndex(histogramResult, brush);
}
public static GetBrushIndex(histogramResult: HistogramResult, brush: Brush): number {
return ArrayUtil.IndexOfWithEqual(histogramResult.brushes!, brush);
}
public static GetAggregateResult(bin: Bin, aggregateKey: AggregateKey) {
if (aggregateKey.aggregateParameterIndex === -1 || aggregateKey.brushIndex === -1) {
return null;
}
return bin.aggregateResults![aggregateKey.aggregateParameterIndex! * bin.ySize! + aggregateKey.brushIndex!];
}
@action
public static PossibleAggegationFunctions(atm: AttributeTransformationModel): Array<AggregateFunction> {
var ret = new Array<AggregateFunction>();
ret.push(AggregateFunction.None);
ret.push(AggregateFunction.Count);
if (atm.AttributeModel.DataType === DataType.Float ||
atm.AttributeModel.DataType === DataType.Double ||
atm.AttributeModel.DataType === DataType.Int) {
ret.push(AggregateFunction.Avg);
ret.push(AggregateFunction.Sum);
}
return ret;
}
public static GetBinFilterModel(
bin: Bin, brushIndex: number, histogramResult: HistogramResult,
xAom: AttributeTransformationModel, yAom: AttributeTransformationModel): FilterModel {
var dimensions: Array<AttributeTransformationModel> = [xAom, yAom];
var filterModel = new FilterModel();
for (var i = 0; i < histogramResult.binRanges!.length; i++) {
if (!(histogramResult.binRanges![i] instanceof AggregateBinRange)) {
var binRange = VisualBinRangeHelper.GetNonAggregateVisualBinRange(histogramResult.binRanges![i]);
var dataFrom = binRange.GetValueFromIndex(bin.binIndex!.indices![i]);
var dataTo = binRange.AddStep(dataFrom);
if (binRange instanceof NominalVisualBinRange) {
var tt = binRange.GetLabel(dataFrom);
filterModel.ValueComparisons.push(new ValueComparison(dimensions[i].AttributeModel, Predicate.EQUALS, tt));
}
else if (binRange instanceof AlphabeticVisualBinRange) {
filterModel.ValueComparisons.push(new ValueComparison(dimensions[i].AttributeModel, Predicate.STARTS_WITH,
binRange.GetLabel(dataFrom)));
}
else {
filterModel.ValueComparisons.push(new ValueComparison(dimensions[i].AttributeModel, Predicate.GREATER_THAN_EQUAL, dataFrom));
filterModel.ValueComparisons.push(new ValueComparison(dimensions[i].AttributeModel, Predicate.LESS_THAN, dataTo));
}
}
}
return filterModel;
}
public GetAllAttributes(schema: Schema) {
if (!schema || !schema.rootAttributeGroup) {
return [];
}
const recurs = (attrs: Attribute[], g: AttributeGroup) => {
if (g.attributes) {
attrs.push.apply(attrs, g.attributes);
if (g.attributeGroups) {
g.attributeGroups.forEach(ng => recurs(attrs, ng));
}
}
};
const allAttributes: Attribute[] = new Array<Attribute>();
recurs(allAttributes, schema.rootAttributeGroup);
return allAttributes;
}
}
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