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accounted/app/api/reports/ink2/route.ts
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72 lines
2.4 KiB
TypeScript

import { NextResponse } from 'next/server'
import { generateINK2Declaration } from '@/lib/reports/ink2/ink2-engine'
import {
generateSRUSubmission,
getZipFilename,
} from '@/lib/reports/ink2/sru-generator'
import { withRouteContext } from '@/lib/api/with-route-context'
import { errorResponseFromCode } from '@/lib/errors/get-structured-error'
import { encodeISO88591 } from '@/lib/reports/sru-encoding'
import JSZip from 'jszip'
import { getErrorMessage as getUserErrorMessage } from '@/lib/errors/get-error-message'
/**
* GET /api/reports/ink2
*
* Query parameters:
* period_id: fiscal period id (required)
* format: 'json' (default) or 'sru' for SRU file download (ZIP with INFO.SRU + BLANKETTER.SRU)
*/
export const GET = withRouteContext(
'report.ink2',
async (request, ctx) => {
const { supabase, companyId, log, requestId } = ctx
const { searchParams } = new URL(request.url)
const periodId = searchParams.get('period_id')
const format = searchParams.get('format') || 'json'
if (!periodId) {
return errorResponseFromCode('REPORT_PERIOD_REQUIRED', log, { requestId })
}
const opLog = log.child({ periodId, format })
try {
const declaration = await generateINK2Declaration(supabase, companyId!, periodId)
if (format === 'sru') {
const submission = generateSRUSubmission(declaration)
// Skatteverket requires ISO 8859-1 (Latin-1)
const infoBytes = encodeISO88591(submission.infoSru)
const blanketterBytes = encodeISO88591(submission.blanketterSru)
const zip = new JSZip()
zip.file('INFO.SRU', infoBytes)
zip.file('BLANKETTER.SRU', blanketterBytes)
const zipArrayBuffer = await zip.generateAsync({ type: 'arraybuffer' })
const filename = getZipFilename(declaration)
return new NextResponse(zipArrayBuffer, {
status: 200,
headers: {
'Content-Type': 'application/zip',
'Content-Disposition': `attachment; filename="${filename}"`,
'X-Request-Id': requestId,
},
})
}
return NextResponse.json({ data: declaration })
} catch (err) {
opLog.error('ink2 declaration generation failed', err as Error)
return errorResponseFromCode('TAX_DECL_GENERATION_FAILED', opLog, {
requestId,
details: { reason: err instanceof Error ? getUserErrorMessage(err) : 'unknown' },
})
}
},
)