Jakob Wennberg
39e407644d
- Expand BAS reference from ~180 to ~1,276 accounts (full BAS Kontoplan 2026) with K2 exclusion flags, per-class data files, and computed SRU codes - Evolve invoice inbox into unified document inbox handling invoices, receipts, and government letters with AI-powered classification (Claude Haiku Vision) - Add multi-pass document-to-transaction matching engine with greedy assignment for both supplier invoices (reference/amount/date/name) and receipts (weighted amount/merchant/date scoring) - Add supplier invoice matching in transaction ingest pipeline - Inject booking template suggestions into AI extraction prompts - Surface matched documents in swipe categorization UI with one-tap booking - Auto-activate missing BAS accounts during SIE import against full reference - Add K2 filter toggle in Chart of Accounts manager - Add receipt confirmation route with BFNAR representation fields - Add database migrations for K2 support and document matching columns - Remove obsolete extension migration scripts Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
109 lines
3.8 KiB
TypeScript
109 lines
3.8 KiB
TypeScript
/**
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* SRU Code Computation
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*
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* Replicates the range-based SRU code assignment logic from
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* supabase/migrations/20240101000021_sru_codes.sql.
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*
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* SRU codes are used for NE (enskild firma) and INK2 (aktiebolag) tax forms
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* filed with Skatteverket.
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*/
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/**
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* Compute the SRU code for a given BAS account number.
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*
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* The logic applies NE-form codes first (higher priority for revenue/expense
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* accounts), then falls back to INK2 balance sheet codes.
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*/
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export function computeSRUCode(accountNumber: string): string | null {
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const num = accountNumber
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// ---------------------------------------------------------------------------
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// NE form codes (enskild firma) — fields 7310-7325
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// ---------------------------------------------------------------------------
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// NE: R1 - Försäljning med moms (3000-3499 excl 3100)
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if (num >= '3000' && num <= '3499' && num !== '3100') return '7310'
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// NE: R2 - Momsfria intäkter (3100, 3900, 3970-3980)
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if (num === '3100' || num === '3900' || (num >= '3970' && num <= '3980')) return '7311'
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// NE: R3 - Bil/bostadsförmån (3200-3299) — overlaps with R1, R1 wins
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if (num >= '3200' && num <= '3299') return '7312'
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// NE: R4 - Ränteintäkter (8310-8330)
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if (num >= '8310' && num <= '8330') return '7313'
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// NE: R5 - Varuinköp (4000-4990)
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if (num >= '4000' && num <= '4990') return '7320'
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// NE: R6 - Övriga kostnader (5000-6990, 7970)
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if ((num >= '5000' && num <= '6990') || num === '7970') return '7321'
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// NE: R7 - Lönekostnader (7000-7699)
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if (num >= '7000' && num <= '7699') return '7322'
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// NE: R8 - Räntekostnader (8400-8499)
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if (num >= '8400' && num <= '8499') return '7323'
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// NE: R9 - Avskrivningar fastighet (7820)
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if (num === '7820') return '7324'
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// NE: R10 - Avskrivningar övrigt (7700-7899 excl 7820)
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if (num >= '7700' && num <= '7899' && num !== '7820') return '7325'
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// ---------------------------------------------------------------------------
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// INK2 form codes (aktiebolag) — fields 7201-7380
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// ---------------------------------------------------------------------------
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// INK2: Immateriella anläggningstillgångar (1000-1099)
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if (num >= '1000' && num <= '1099') return '7201'
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// INK2: Materiella anläggningstillgångar (1100-1299)
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if (num >= '1100' && num <= '1299') return '7202'
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// INK2: Finansiella anläggningstillgångar (1300-1399)
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if (num >= '1300' && num <= '1399') return '7203'
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// INK2: Varulager (1400-1499)
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if (num >= '1400' && num <= '1499') return '7210'
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// INK2: Kundfordringar (1500-1599)
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if (num >= '1500' && num <= '1599') return '7211'
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// INK2: Övriga omsättningstillgångar (1600-1999)
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if (num >= '1600' && num <= '1999') return '7212'
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// INK2: Aktiekapital (2081)
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if (num === '2081') return '7220'
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// INK2: Övrigt eget kapital (2085-2098)
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if (num >= '2085' && num <= '2098') return '7221'
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// INK2: Årets resultat (2099)
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if (num === '2099') return '7222'
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// INK2: Skulder (2100-2499)
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if (num >= '2100' && num <= '2499') return '7230'
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// INK2: Övriga skulder (2500-2999)
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if (num >= '2500' && num <= '2999') return '7231'
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// ---------------------------------------------------------------------------
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// INK2 remaining income statement (fallback for class 3-8 not covered by NE)
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// ---------------------------------------------------------------------------
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if (num >= '3000' && num <= '3999') return '7310'
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if (num >= '4000' && num <= '4999') return '7320'
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if (num >= '5000' && num <= '6999') return '7330'
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if (num >= '7000' && num <= '7699') return '7340'
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if (num >= '7700' && num <= '7899') return '7350'
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if (num >= '7900' && num <= '7999') return '7360'
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if (num >= '8000' && num <= '8499') return '7370'
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if (num >= '8500' && num <= '8999') return '7380'
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// Equity accounts not covered above (2000-2084)
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if (num >= '2000' && num <= '2084') return '7221'
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return null
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}
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