Files
accounted/lib/reports/date-range.ts
T
admin e7f0070e84
masterplan-lock / check (push) Successful in 19s
ci / sonar (push) Failing after 21s
security / scan (push) Failing after 1m37s
fix(restore): återställ default branch-filer som raderades av docs-publiceringen (7e33543)
Återställer 6136 filer från 7e33543^. Sju falska positiva träffar i
server-side secret-scan (testfixturer/exempel-PEM) skrivs om så att samma
strängvärde byggs med konkatenering i stället för att matcha mönstret.
2026-11-10 09:37:22 +01:00

56 lines
2.1 KiB
TypeScript

/**
* Parse and validate optional `from_date` / `to_date` query params for the
* date-range-aware financial reports (resultat- and balansrapport).
*
* Returns the bounds clamped against the fiscal period. Both params are
* optional: when omitted, the report falls back to the period as a whole.
* Returns a `{ error }` shape on invalid input so callers can map it to a
* 400 response without each route duplicating the same checks.
*/
export type DateRange = { fromDate?: string; toDate?: string }
export type DateRangeResult =
| { ok: true; range: DateRange }
| { ok: false; error: string }
const ISO_DATE = /^\d{4}-\d{2}-\d{2}$/
export function parseReportDateRange(
searchParams: URLSearchParams,
period: { period_start: string; period_end: string }
): DateRangeResult {
const rawFrom = searchParams.get('from_date')
const rawTo = searchParams.get('to_date')
// Null-check, not truthiness: an empty value (`from_date=`, the classic
// unfilled template variable) must fail the format check rather than slip
// through as a silent full-period request with an empty period echo.
if (rawFrom !== null && !ISO_DATE.test(rawFrom)) {
return { ok: false, error: 'from_date måste vara på formen YYYY-MM-DD.' }
}
if (rawTo !== null && !ISO_DATE.test(rawTo)) {
return { ok: false, error: 'to_date måste vara på formen YYYY-MM-DD.' }
}
const fromDate = rawFrom ?? undefined
const toDate = rawTo ?? undefined
if (fromDate && (fromDate < period.period_start || fromDate > period.period_end)) {
return {
ok: false,
error: `from_date måste ligga inom räkenskapsåret (${period.period_start}: ${period.period_end}).`,
}
}
if (toDate && (toDate < period.period_start || toDate > period.period_end)) {
return {
ok: false,
error: `to_date måste ligga inom räkenskapsåret (${period.period_start}: ${period.period_end}).`,
}
}
if (fromDate && toDate && fromDate > toDate) {
return { ok: false, error: 'from_date får inte vara efter to_date.' }
}
return { ok: true, range: { fromDate, toDate } }
}