06/03 Optimize codes, save synced balances

app/routes/teller.py

@@ -316,9 +316,10 @@ def refresh_balance(teller_account_id):
         ledger    = float(bal_data.get('ledger')    or bal_data.get('available') or 0)
 
         # Credit cards: 'available' is the remaining credit line, not what's owed.
-        # Use 'ledger' (amount owed, negative in Teller's convention) for credit cards.
+        # Use 'ledger' for credit cards and force it negative (our debt convention).
+        # Teller may return ledger as positive or negative depending on the bank.
         is_credit = ta.pfm_account.account_type == 'credit_card'
-        balance_to_store = ledger if is_credit else available
+        balance_to_store = -abs(ledger) if is_credit else available
 
         ta.pfm_account.balance = balance_to_store
         db.session.commit()
@@ -353,7 +354,7 @@ def refresh_all_balances():
                 available = float(bal_data.get('available') or bal_data.get('ledger') or 0)
                 ledger    = float(bal_data.get('ledger')    or bal_data.get('available') or 0)
                 is_credit = ta.pfm_account.account_type == 'credit_card'
-                ta.pfm_account.balance = ledger if is_credit else available
+                ta.pfm_account.balance = -abs(ledger) if is_credit else available
                 refreshed.append(ta.account_name)
                 log.info('[teller] balance refreshed: %s = %.2f', ta.account_name, ta.pfm_account.balance)
             except Exception as exc: