def counter_contract(cls, user, contract):
contract_service = ContractService(user=user)
output_data = contract_service.counter(contract=contract)
return output_data
def counter_contracts(user_id, contracts):
user = User.objects.get(id=user_id)
contract_service = ContractService(user=user)
for contract in contracts:
output = contract_service.counter(contract={"id": contract})