Added extension functionality

extensions/general/enable-banking/lib/sync.ts

@@ -0,0 +1,62 @@
+import { SupabaseClient } from '@supabase/supabase-js'
+import { getTransactions, getAccountBalance } from './api-client'
+import { ingestTransactions, type RawTransaction } from '@/lib/transactions/ingest'
+import type { StoredAccount } from '../types'
+
+export interface SyncResult {
+  imported: number
+  duplicates: number
+  errors: number
+}
+
+/**
+ * Sync transactions for a single bank account via Enable Banking PSD2.
+ *
+ * Fetches transactions from the Enable Banking API, converts to RawTransaction
+ * format, and delegates to the shared ingestion pipeline.
+ */
+export async function syncAccountTransactions(
+  supabase: SupabaseClient,
+  userId: string,
+  connectionId: string,
+  account: StoredAccount,
+  fromDate: string,
+  toDate: string
+): Promise<SyncResult> {
+  const bankTransactions = await getTransactions(
+    account.uid,
+    fromDate,
+    toDate,
+    account.currency
+  )
+
+  // Convert Enable Banking format to generic RawTransaction
+  const rawTransactions: RawTransaction[] = bankTransactions.map((tx) => ({
+    date: tx.booking_date || tx.date,
+    description: tx.description || tx.counterparty_name || 'Unknown',
+    amount: tx.amount,
+    currency: tx.currency || account.currency,
+    external_id: `${connectionId}_${tx.id}`,
+    mcc_code: tx.merchant_category_code ? parseInt(tx.merchant_category_code, 10) : null,
+    merchant_name: tx.counterparty_name || null,
+    reference: tx.reference || null,
+    bank_connection_id: connectionId,
+    import_source: 'enable_banking',
+  }))
+
+  const ingestResult = await ingestTransactions(supabase, userId, rawTransactions)
+
+  // Update account balance
+  try {
+    const balance = await getAccountBalance(account.uid)
+    account.balance = balance.amount
+  } catch {
+    // Ignore balance fetch errors
+  }
+
+  return {
+    imported: ingestResult.imported,
+    duplicates: ingestResult.duplicates,
+    errors: ingestResult.errors,
+  }
+}