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split-adjustments.ts
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split-adjustments.ts
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/*
* Copyright 2017-2021 Allegro.pl
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { colorSplitLimits, VisualizationColors } from "../../models/colors/colors";
import { Dimension } from "../../models/dimension/dimension";
import { SeriesList } from "../../models/series-list/series-list";
import { DimensionSort, SeriesSort, SortDirection } from "../../models/sort/sort";
import { Split, SplitType } from "../../models/split/split";
import { thread } from "../functional/functional";
export function adjustColorSplit(split: Split, dimension: Dimension, series: SeriesList, visualizationColors: VisualizationColors): Split {
const colorsCount = visualizationColors.series.length;
return thread(
split,
adjustSort(dimension, series),
adjustFiniteLimit(colorSplitLimits(colorsCount), colorsCount)
);
}
export function adjustContinuousSplit(split: Split): Split {
const { reference } = split;
return split
.changeLimit(null)
.changeSort(new DimensionSort({
reference,
direction: SortDirection.ascending
}));
}
export function adjustLimit({ kind, limits }: Dimension) {
const isTimeSplit = kind === "time";
const availableLimits = isTimeSplit ? [...limits, null] : limits;
return adjustFiniteLimit(availableLimits);
}
export function adjustFiniteLimit(availableLimits: number[], defaultLimit = availableLimits[0]) {
return (split: Split): Split => {
const { limit } = split;
return availableLimits.indexOf(limit) === -1
? split.changeLimit(defaultLimit)
: split;
};
}
export function adjustSort(dimension: Dimension, series: SeriesList, availableDimensions = [dimension.name]) {
return (split: Split): Split => {
const { sort } = split;
if (sort instanceof SeriesSort) return split;
if (availableDimensions.indexOf(sort.reference) !== -1) return split;
const direction = SortDirection.descending;
const { sortStrategy } = dimension;
if (sortStrategy) {
if (sortStrategy === "self" || split.reference === sortStrategy) {
return split.changeSort(new DimensionSort({
reference: split.reference,
direction
}));
}
if (series.hasMeasureSeries(sortStrategy)) {
return split.changeSort(new SeriesSort({
reference: sortStrategy,
direction
}));
}
}
if (split.type === SplitType.string) {
return split.changeSort(new SeriesSort({
reference: series.series.first().reference,
direction: SortDirection.descending
}));
}
return split.changeSort(new DimensionSort({
reference: split.reference,
direction
}));
};
}