Jakob Wennberg
e8fb84b4fd
- SIE parser: Windows-1252 and CP437 encoding detection and decoding - Bank file parser: add Nordea Business (Företag) CSV format - Bank file parser: improve format detection for SEB, Länsförsäkringar, generic CSV - INK2 engine: calculate årets resultat (7222) from income statement for open fiscal years - Dashboard: parallel Supabase queries, simplified dashboard page - Fix Swedish characters (å, ä, ö) in BAS data descriptions, validation messages, AI consent disclosures - Import wizard UI improvements across all steps - Migration: add 'bas_range' match type to sie_account_mappings constraint - Extensive new tests for SIE parser encoding and bank file parser Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
71 lines
2.3 KiB
TypeScript
71 lines
2.3 KiB
TypeScript
/**
|
|
* Validates a Swedish personal number (YYYYMMDD-XXXX) using Luhn checksum.
|
|
* Returns an error message string, or null if valid.
|
|
*/
|
|
export function validateSwedishPersonalNumber(pnr: string): string | null {
|
|
if (!pnr) return 'Personnummer kravs'
|
|
|
|
// Accept YYYYMMDD-XXXX or YYYYMMDDXXXX
|
|
const cleaned = pnr.replace(/[-\s]/g, '')
|
|
if (!/^\d{12}$/.test(cleaned)) {
|
|
return 'Format: YYYYMMDD-XXXX (12 siffror)'
|
|
}
|
|
|
|
const year = parseInt(cleaned.slice(0, 4))
|
|
const month = parseInt(cleaned.slice(4, 6))
|
|
const day = parseInt(cleaned.slice(6, 8))
|
|
|
|
if (month < 1 || month > 12) return 'Ogiltig månad'
|
|
if (day < 1 || day > 31) return 'Ogiltig dag'
|
|
if (year < 1900 || year > new Date().getFullYear()) return 'Ogiltigt år'
|
|
|
|
// Luhn check on the last 10 digits (YYMMDDXXXX)
|
|
const luhnDigits = cleaned.slice(2)
|
|
let sum = 0
|
|
for (let i = 0; i < 10; i++) {
|
|
let digit = parseInt(luhnDigits[i])
|
|
if (i % 2 === 0) {
|
|
digit *= 2
|
|
if (digit > 9) digit -= 9
|
|
}
|
|
sum += digit
|
|
}
|
|
|
|
if (sum % 10 !== 0) return 'Ogiltig kontrollsiffra'
|
|
|
|
return null
|
|
}
|
|
|
|
export function validatePositiveNumber(value: number | string): string | null {
|
|
const num = typeof value === 'string' ? parseFloat(value) : value
|
|
if (isNaN(num) || num <= 0) return 'Varde maste vara storre an 0'
|
|
return null
|
|
}
|
|
|
|
export function validateNonNegativeNumber(value: number | string): string | null {
|
|
const num = typeof value === 'string' ? parseFloat(value) : value
|
|
if (isNaN(num) || num < 0) return 'Varde kan inte vara negativt'
|
|
return null
|
|
}
|
|
|
|
export function validateMaxNumber(value: number | string, max: number): string | null {
|
|
const num = typeof value === 'string' ? parseFloat(value) : value
|
|
if (isNaN(num)) return 'Ogiltigt varde'
|
|
if (num > max) return `Varde kan inte overskrida ${max}`
|
|
return null
|
|
}
|
|
|
|
export function validateRequired(value: string | number | undefined | null): string | null {
|
|
if (value === undefined || value === null || value === '') return 'Obligatoriskt falt'
|
|
return null
|
|
}
|
|
|
|
export function validateDateNotFuture(dateStr: string): string | null {
|
|
if (!dateStr) return 'Datum kravs'
|
|
const date = new Date(dateStr)
|
|
const today = new Date()
|
|
today.setHours(23, 59, 59, 999)
|
|
if (date > today) return 'Datum kan inte vara i framtiden'
|
|
return null
|
|
}
|