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perf(mileage): stream workbook export rows

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lingniu
2026-07-16 09:08:04 +08:00
parent b78cf1696f
commit 61c1bbc365
8 changed files with 191 additions and 62 deletions
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7
vehicle-data-platform/apps/web/src/v2/domain/mileageWorkbook.ts
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@@ -1,5 +1,4 @@
import type { DailyMileageRow } from '../../api/types';
import type { MileageExportInput } from './mileageExport';
import type { MileageExportInput, MileageWorkbookRow } from './mileageExport';
function excelColumn(index: number) {
let value = index;
@@ -87,14 +86,14 @@ export async function createMileageWorkbook(input: MileageExportInput) {
if (isDateHeader) cell.numFmt = 'm/d';
});
const rowsByVin = new Map<string, Map<string, DailyMileageRow>>();
const rowsByVin = new Map<string, Map<string, MileageWorkbookRow>>();
for (const row of input.mileageRows) {
if (!rowsByVin.has(row.vin)) rowsByVin.set(row.vin, new Map());
rowsByVin.get(row.vin)!.set(row.date, row);
}
input.vehicles.forEach((vehicle, index) => {
const rowNumber = firstDataRow + index;
const mileageByDate = rowsByVin.get(vehicle.vin) ?? new Map<string, DailyMileageRow>();
const mileageByDate = rowsByVin.get(vehicle.vin) ?? new Map<string, MileageWorkbookRow>();
const dailyValues = input.dates.map((date) => mileageByDate.get(date)?.dailyMileageKm ?? null);
const total = dailyValues.reduce<number>((sum, value) => sum + (value ?? 0), 0);
const row = sheet.getRow(rowNumber);