39 lines
976 B
TypeScript
39 lines
976 B
TypeScript
import { formatISO, parseISO, startOfWeek } from "date-fns";
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function toDate(val: any) {
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if (val instanceof Date) return val;
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if (typeof val === "string") return parseISO(val.replace(" ", "T"));
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return new Date(val);
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}
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export const materialPurchases = async (data: any) => {
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/** @type {Record<string, Record<string, number>>} */
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const grouped: any = {};
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for (const r of data) {
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const mat = String(r.MaterialHumanReadableId);
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const d = toDate(r.CalDate);
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const week = formatISO(startOfWeek(d, { weekStartsOn: 1 }), {
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representation: "date",
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});
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grouped[mat] ??= {};
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grouped[mat][week] ??= 0;
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grouped[mat][week] += Number(r.DailyMaterialDemand) || 0;
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}
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const result = [];
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for (const [mat, weeks] of Object.entries(grouped)) {
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// @ts-ignore
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for (const [week, total] of Object.entries(weeks)) {
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result.push({
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MaterialHumanReadableId: mat,
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WeekStart: week,
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WeeklyDemand: Number(total).toFixed(2),
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});
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}
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}
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return result;
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};
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