Access to domain objects in a view

Question

If I do not want to disclose the internal state of domain objects, but I need to display them, I can imagine three approaches. Which one is the most "correct" (if any?).

• "DTO / ViewModel Approach". This seems to be a popular approach in the ASP.NET MVC world (especially using AutoMapper).
• "decorator approach." If I have a “Client” Object, I decorate it with a “DisplayableCustomer”, which can access the internal state of the client (in most languages ​​that I have dealt with).

• "Interface approach." Where am I doing something like this:

  class Customer {
      ....
      public void renderWith(CustomerRenderer renderer) {
           renderer.renderCustomer(address,name);
      } 
  }
  
  interface CustomerRenderer {
      public void renderCustomer(Address address, Name name);
  }
  

Answer 1

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