public PaymentMethod Create(PaymentMethod paymentMethod)
{
Contract.Requires <ArgumentException>(paymentMethod != null);
Contract.Requires <ArgumentException>(!string.IsNullOrWhiteSpace(paymentMethod.Name));
Contract.Requires <ArgumentException>(!Exists(paymentMethod.Name), $"Payment method '{paymentMethod.Name}' is already defined");
_repository.Create(paymentMethod);
return(paymentMethod);
}
public void Create(PaymentMethod paymentMethod)
{
_repository.Create(paymentMethod);
}
