public IDataResult <List <CreditCard> > GetByCustomerId(int customerId) { var result = _creditCardDal.Any(c => c.CustomerId == customerId); if (result) { return(new SuccessDataResult <List <CreditCard> >(_creditCardDal.GetAll(c => c.CustomerId == customerId))); } return(new ErrorDataResult <List <CreditCard> >(Messages.NotFound())); }