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accounted/app/api/export/customers/route.ts
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102 lines
3.6 KiB
TypeScript

import { NextResponse } from 'next/server'
import { withRouteContext } from '@/lib/api/with-route-context'
import { errorResponse } from '@/lib/errors/get-structured-error'
import { fetchAllRows } from '@/lib/supabase/fetch-all'
import { textColumn, integerColumn } from '@/lib/reports/xlsx-export'
import { buildRegisterExport, parseExportFormat, todayIso } from '@/lib/export/register-export'
import { maskStoredCustomerPersonalNumber } from '@/lib/customers/protect-personal-number'
import type { Customer } from '@/types'
/**
* GET /api/export/customers[?format=csv]
*
* Downloads the customer register as xlsx (default) or csv. Read-only: viewers
* may export. Headers match the customer importer's detector keywords so files
* round-trip.
*/
export const GET = withRouteContext(
'customer.export',
async (request, ctx) => {
const { supabase, companyId, log, requestId } = ctx
const format = parseExportFormat(new URL(request.url).searchParams.get('format'))
try {
const { data: companyRow } = await supabase
.from('company_settings')
.select('company_name')
.eq('company_id', companyId)
.single()
const customers = (await fetchAllRows(({ from, to }) =>
supabase
.from('customers')
.select('*')
.eq('company_id', companyId)
.order('name', { ascending: true })
.range(from, to),
)) as unknown as Customer[]
const { buffer, contentType, filename } = buildRegisterExport(
[
{
name: 'Kunder',
columns: [
textColumn('Namn'),
textColumn('Org-/personnummer'),
textColumn('Kundtyp'),
textColumn('E-post'),
textColumn('Telefon'),
textColumn('Adress'),
textColumn('Adressrad 2'),
textColumn('Postnummer'),
textColumn('Ort'),
textColumn('Land'),
textColumn('VAT-nummer'),
integerColumn('Betalningsvillkor'),
textColumn('Anteckning'),
],
rows: customers,
mapRow: (c) => [
c.name,
// personal_number holds AES-256-GCM ciphertext (migration
// 20260726110000). Decrypt-and-mask exactly like the customer
// read surfaces: the export shows a member the same
// '********-1234' the UI shows, never the ciphertext and never
// the full personnummer (GDPR Art. 5(1)(f) data minimization on
// a file that leaves the system). Decrypt failures fall back to
// a placeholder mask instead of aborting the export.
c.org_number ?? maskStoredCustomerPersonalNumber(c.personal_number),
c.customer_type,
c.email,
c.phone,
c.address_line1,
c.address_line2,
c.postal_code,
c.city,
c.country,
c.vat_number,
c.default_payment_terms,
c.notes,
],
},
],
{ format, slug: 'kunder', companyName: companyRow?.company_name ?? '', date: todayIso() },
)
log.info('register exported', { entity: 'customers', format, rowCount: customers.length })
return new NextResponse(new Uint8Array(buffer), {
headers: {
'Content-Type': contentType,
'Content-Disposition': `attachment; filename="${filename}"`,
'Cache-Control': 'no-store',
},
})
} catch (err) {
log.error('customer export failed', err as Error)
return errorResponse(err, log, { requestId })
}
},
)