spb/polyllm

1import { withUser } from "@/lib/api";2import { usageRecordsForExport, usageCsv, usageQueryFromUrl } from "@/lib/usage/service";34export const dynamic = "force-dynamic";56/** GET /api/usage/export.csv?<same params as /api/usage> → `text/csv` attachment of the raw usage records (max 50 000 rows). */7export const GET = withUser(async ({ req, user }) => {8  const { range, rows } = await usageRecordsForExport(user.id, usageQueryFromUrl(req.url));9  const from = range.from ? range.from.toISOString().slice(0, 10) : "all";10  const to = new Date(range.to.getTime() - 1).toISOString().slice(0, 10);11  const body = usageCsv(rows);12  return new Response(body, {13    status: 200,14    headers: {15      "Content-Type": "text/csv; charset=utf-8",16      "Content-Disposition": `attachment; filename="polyllm-usage-${from}_${to}.csv"`,17      "Cache-Control": "no-store",18      "X-Row-Count": String(rows.length),19    },20  });21});22