public async Task <Result <PaymentMethodViewModel> > HandleAsync(AddPaymentMethodCommand command, User currentUser, CancellationToken cancellationToken = default)
{
if (command == null)
{
throw new ArgumentNullException(nameof(command));
}
if (currentUser == null)
{
return(FailureResult <PaymentMethodViewModel> .Unauthorized());
}
if (currentUser.Role < Role.SystemAdmin)
{
return(FailureResult <PaymentMethodViewModel> .Forbidden());
}
var paymentMethod = await paymentMethodRepository.FindByNameAsync(command.Name, cancellationToken);
if (paymentMethod != null)
{
return(FailureResult <PaymentMethodViewModel> .Create(FailureResultCode.PaymentMethodAlreadyExists));
}
paymentMethod = paymentMethodFactory.Create(command.Name, command.Description);
await paymentMethodRepository.StoreAsync(paymentMethod, cancellationToken);
return(SuccessResult <PaymentMethodViewModel> .Create(PaymentMethodViewModel.FromPaymentMethod(paymentMethod)));
}
public async Task <Result <bool> > HandleAsync(ChangePaymentMethodCommand command, User currentUser, CancellationToken cancellationToken = default)
{
if (command == null)
{
throw new ArgumentNullException(nameof(command));
}
if (currentUser == null)
{
return(FailureResult <bool> .Unauthorized());
}
if (currentUser.Role < Role.SystemAdmin)
{
return(FailureResult <bool> .Forbidden());
}
var paymentMethod = await paymentMethodRepository.FindByPaymentMethodIdAsync(command.PaymentMethodId, cancellationToken);
if (paymentMethod == null)
{
return(FailureResult <bool> .Create(FailureResultCode.PaymentMethodDoesNotExist));
}
paymentMethod.Change(command.Name, command.Description);
await paymentMethodRepository.StoreAsync(paymentMethod, cancellationToken);
return(SuccessResult <bool> .Create(true));
}
