private void WhenCustomerLastNameChanged(CustomerLastNameChanged e, AllCustomersView view)
{
var existingCustomer = view.Customers.SingleOrDefault(x => x.Id == e.Id);
if (existingCustomer == null)
{
throw new ApplicationException("Customer does not exist...");
}
existingCustomer.LastName = e.LastName;
}
protected void MutateWhen(CustomerLastNameChanged @event)
{
LastName = @event.LastName;
}
private void WhenLastNameChanged(CustomerLastNameChanged e, CustomerView view)
{
view.LastName = e.LastName;
}