Jakob Wennberg
91e2c1705a
Per-line VAT rates: - Add generatePerRateLines() to group invoice items by vat_rate with separate revenue + VAT lines per rate group (invoice-entries.ts) - Add getAvailableVatRates() and getVatTreatmentForRate() (vat-rules.ts) - PDF template shows per-line VAT column and per-rate totals for mixed-rate invoices - Invoice create/review UI supports per-line rate selection - Types: add vat_rate/vat_amount to InvoiceItem, vat_rate to CreateInvoiceItemInput Invoice document types (proforma, delivery note): - Add InvoiceDocumentType, document_type and converted_from_id to Invoice type - PDF hides prices for delivery notes, adds proforma notice - Email templates support all document types - mark-paid skips journal entries for non-invoice document types - Migration 031: invoice_document_type Accounting method support: - Add AccountingMethod type (accrual/cash) - Migration 032: add_accounting_method column to company_settings VAT declaration rewrite: - Rewrite to read directly from general ledger (26xx/3xxx account lines) instead of aggregating invoices/transactions/receipts - ACCOUNT_RUTA mapping drives momsdeklaration boxes from GL balances Bank reconciliation: - Transaction ingest now pre-fetches unlinked GL lines and attempts auto-reconciliation during import - Add transaction.reconciled event type - Add ReconciliationMethod type and reconciliation_method on Transaction - Migration 030: bank_reconciliation - New reconciliation engine, API routes, and BankReconciliationView component Pagination (fetchAllRows): - New lib/supabase/fetch-all.ts overcomes PostgREST 1000-row limit - Adopted in all report generators, SIE/SRU export, account list APIs Fiscal period validation: - New validate-period-duration.ts enforces max 18 months per BFL 3 kap. - Applied in period-service.ts and fiscal-periods API Account mapper simplification: - Remove Levenshtein/fuzzy matching, use exact account number match only Swedbank parser improvements: - Support abbreviated headers (Clnr, Bokfdag, Radnr) - Use Referens column as counterparty Chart of accounts management: - Add DELETE endpoint with system account and usage protection - PUT uses partial updates - New AccountCombobox, AddAccountDialog, EditAccountDialog, ChartOfAccountsManager Tax deadline corrections: - Rewrite inkomstdeklaration_ab using Skatteverket lookup table - Rewrite arsredovisning deadline to 7 months after FY end per ÅRL 8:3 Onboarding first fiscal year: - Add first fiscal year toggle with date pickers and 18-month validation UI terminology: - Change "okategoriserad/kategorisera" to "obokförd/bokföra" throughout Report column fix: - Fix start_date/end_date to period_start/period_end in report queries Supplier invoice input: - CreateSupplierInvoiceItemInput uses amount field (legacy quantity/unit_price kept) Misc: - SIE import uses upsert for idempotent account creation - account-descriptions.ts falls back to BAS reference data - Add invoice_default_notes to CompanySettings - Update CLAUDE.md to reflect current project state Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
49 lines
1.5 KiB
TypeScript
49 lines
1.5 KiB
TypeScript
/**
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* Validates fiscal period duration per BFL 3 kap.
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* Maximum 18 months for any fiscal period (first year may be extended).
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* Normal ongoing periods are 12 months.
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*/
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/**
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* Calculate the number of months between two dates (inclusive of partial months).
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* Assumes start is 1st of month and end is last of month.
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*/
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export function monthsBetween(start: string, end: string): number {
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const s = new Date(start)
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const e = new Date(end)
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return (e.getFullYear() - s.getFullYear()) * 12 + (e.getMonth() - s.getMonth()) + 1
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}
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/**
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* Validate a fiscal period's duration and date constraints.
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* Returns null if valid, or an error message string if invalid.
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*/
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export function validatePeriodDuration(start: string, end: string): string | null {
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const startDate = new Date(start)
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const endDate = new Date(end)
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// end must be after start
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if (endDate <= startDate) {
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return 'Period end must be after period start'
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}
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// start must be 1st of month
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if (startDate.getDate() !== 1) {
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return 'Period start must be the 1st of a month'
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}
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// end must be last day of month
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const lastDayOfEndMonth = new Date(endDate.getFullYear(), endDate.getMonth() + 1, 0).getDate()
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if (endDate.getDate() !== lastDayOfEndMonth) {
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return 'Period end must be the last day of a month'
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}
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// Max 18 months per BFL 3 kap.
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const months = monthsBetween(start, end)
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if (months > 18) {
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return `Period duration ${months} months exceeds maximum 18 months (BFL 3 kap.)`
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}
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return null
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}
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