def payment(account_uuid, payment, time):
account = _get_account(account_uuid)
last_balance = AccountController.update_balances(account_uuid, time)
principal_owed = last_balance.principal_owed
interest_owed = last_balance.interest_owed
try:
principal, interest = make_payment(principal_owed, interest_owed,
payment)
except ValueError as ex:
raise APIError(str(ex), SC.UNPROCESSABLE)
account.balances.append(
_create_balance(time=time,
principal_owed=principal,
interest_owed=interest,
max_credit=account.max_credit))
account.payments.append(
Payment(uuid=str(uuid.uuid4()), amount=payment, time=time))
current_app.db.add(account)
current_app.db.commit()
return serialize_account(account)
