Couple of questions

[brurend]

Hi, I really liked the architecture used in this project, I just have a couple of questions I was hoping you could answer me.

In many places you use type(of: self) to access static constants, whats the reason or advantage to declare those as static and not just a let?

At the ItunesWebService class you parse the data you receive from the request, but you are accessing the data through key value. Any reasons to not be using Encoding/Decoding? And if it could be used, how would it work?

You only have one entity AppData, in a more complex application would you have many entities? For example, a User entity, Product entity, Department entity, etc. And if so, would this cause any major changes in any part of the structure?