Comments (1)
If two things are the same resource, then they must have the same data. Thus you definitely want /resource
and /resource?filterByDate=2015-12-18
to be different resources: “all the things” and “things from Dec 18” are different pieces of information. It’s best to think of them as entirely separate resources.
In this way I need to add an observer (the view, self), to a new Resource, every time the user select a different filter for the list.
Yes, that’s exactly right.
In fact, it’s best not just to add the observers to the new resource, but to remove the old one as well. Think of your table view as always showing some particular resource, and when you change filters, you change which resource it’s showing: “Now show all the things!” “Now show things from Dec 18!”
The idiom that keeps this clean is to create a “currently displayed resource” property with a setter that un-observers the old resources and starts observing the new one. Take a look at this code from the example project, which shows how to integrate this behavior with a table view:
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