- Skinny Controller: Controller should know what it wants, but not how to get it
- Skinny Model
- Many Objects
- Follow SOLID principles
- Law of Demeter
user.account.username=>user.username - Complex SQL queries pulled into Query object:
XxxxxQuery.new(...).to_relation(app/queries) - Service object:
Search.new(...).run(app/services) - View Model Objects
Dashboard.new().billing_histories(app/view_model) or View Components