143 lines
3.8 KiB
TypeScript
143 lines
3.8 KiB
TypeScript
// Copyright: Ankitects Pty Ltd and contributors
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// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
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/* eslint
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@typescript-eslint/no-non-null-assertion: "off",
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@typescript-eslint/no-explicit-any: "off",
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*/
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import type { Stats, Cards } from "../lib/proto";
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import {
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extent,
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histogram,
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sum,
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scaleLinear,
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scaleSequential,
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interpolateBlues,
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} from "d3";
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import type { Bin } from "d3";
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import type { HistogramData } from "./histogram-graph";
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import * as tr from "../lib/ftl";
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import { dayLabel } from "../lib/time";
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import { GraphRange } from "./graph-helpers";
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import type { TableDatum, SearchDispatch } from "./graph-helpers";
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export interface GraphData {
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daysAdded: number[];
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}
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export function gatherData(data: Stats.GraphsResponse): GraphData {
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const daysAdded = (data.cards as Cards.Card[]).map((card) => {
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const elapsedSecs = (card.id as number) / 1000 - data.nextDayAtSecs;
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return Math.ceil(elapsedSecs / 86400);
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});
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return { daysAdded };
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}
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function makeQuery(start: number, end: number): string {
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const include = `"added:${start}"`;
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if (start === 1) {
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return include;
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}
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const exclude = `-"added:${end}"`;
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return `${include} AND ${exclude}`;
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}
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export function buildHistogram(
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data: GraphData,
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range: GraphRange,
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dispatch: SearchDispatch,
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browserLinksSupported: boolean,
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): [HistogramData | null, TableDatum[]] {
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// get min/max
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const total = data.daysAdded.length;
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if (!total) {
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return [null, []];
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}
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const [xMinOrig] = extent(data.daysAdded);
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let xMin = xMinOrig;
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// cap max to selected range
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switch (range) {
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case GraphRange.Month:
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xMin = -31;
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break;
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case GraphRange.ThreeMonths:
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xMin = -90;
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break;
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case GraphRange.Year:
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xMin = -365;
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break;
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case GraphRange.AllTime:
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break;
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}
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const xMax = 1;
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const desiredBars = Math.min(70, Math.abs(xMin!));
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const scale = scaleLinear().domain([xMin!, xMax]);
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const bins = histogram()
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.domain(scale.domain() as any)
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.thresholds(scale.ticks(desiredBars))(data.daysAdded);
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// empty graph?
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if (!sum(bins, (bin) => bin.length)) {
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return [null, []];
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}
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const adjustedRange = scaleLinear().range([0.7, 0.3]);
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const colourScale = scaleSequential((n) =>
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interpolateBlues(adjustedRange(n)!),
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).domain([xMax!, xMin!]);
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const totalInPeriod = sum(bins, (bin) => bin.length);
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const periodDays = Math.abs(xMin!);
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const cardsPerDay = Math.round(totalInPeriod / periodDays);
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const tableData = [
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{
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label: tr.statisticsTotal(),
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value: tr.statisticsCards({ cards: totalInPeriod }),
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},
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{
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label: tr.statisticsAverage(),
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value: tr.statisticsCardsPerDay({ count: cardsPerDay }),
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},
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];
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function hoverText(
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bin: Bin<number, number>,
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cumulative: number,
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_percent: number,
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): string {
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const day = dayLabel(bin.x0!, bin.x1!);
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const cards = tr.statisticsCards({ cards: bin.length });
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const total = tr.statisticsRunningTotal();
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const totalCards = tr.statisticsCards({ cards: cumulative });
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return `${day}:<br>${cards}<br>${total}: ${totalCards}`;
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}
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function onClick(bin: Bin<number, number>): void {
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const start = Math.abs(bin.x0!) + 1;
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const end = Math.abs(bin.x1!) + 1;
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const query = makeQuery(start, end);
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dispatch("search", { query });
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}
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return [
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{
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scale,
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bins,
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total: totalInPeriod,
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hoverText,
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onClick: browserLinksSupported ? onClick : null,
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colourScale,
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showArea: true,
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},
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tableData,
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];
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}
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