哪个MVC层应设置此值？

I'm working on a report that displays information about our company's sales locations. One of the bits of information is the 'last visit date' of the location. If the location has never been visited, I have to display (in the current language) 'Never' in red. There are several values like this one, this is just the example I'm using.I'm working on a report that displays informati