Framework Counseling

An 8th Light University session led by Paul Pagel and Mike Jansen on the pros and cons of frameworks, and how you can separate your application from the framework.

Focus is on Rails and Ruby in this presentation.

Video: http://vimeo.com/47937434

Transcript

1. Paul Pagel @paulwpagel Framework Counseling Mike Jansen @mjansen401 Wednesday, August 22, 12
2. An Interlude Wednesday, August 22, 12
3. Why do we build frameworks? Wednesday, August 22, 12
4. Why do we hate the frameworks we build? Wednesday, August 22, 12
5. Upgrade Hell Wednesday, August 22, 12
6. Slow tests Finished in 5 minutes 17.32 seconds 3429 examples, 0 failures Finished in 0.23763 seconds 3 examples, 0 failures real 0m10.354s user 0m8.417s sys 0m1.454s Wednesday, August 22, 12
7. Opinionated Design Wednesday, August 22, 12
8. Overgrown abstractions Wednesday, August 22, 12
9. The real problem is coupling Wednesday, August 22, 12
10. ActiveRecord::Base Wednesday, August 22, 12
11. Heuristics Wednesday, August 22, 12
12. Another Interlude Wednesday, August 22, 12
13. Use web frameworks for what they are good at: Wednesday, August 22, 12
14. When things are small Wednesday, August 22, 12
15. Web delivery configurations Wednesday, August 22, 12
16. Security Wednesday, August 22, 12
17. Separation of Data and Behavior class Feedback validates_numericality_of :rating, :allow_nil => true, :only_integer =>true, :greater_than_or_equal_to => 0, :less_than_or_equal_to => 10, :message => "Invalid rating." Wednesday, August 22, 12
18. Separation of Data and Behavior class Person validates_uniqueness_of :user_name, :scope => :account_id Wednesday, August 22, 12
19. Separation of Data and Behavior def create_measurables @measurables.each_pair do |key, value| validator = create_validator_from(key, value) measurable = @client.measurables.find_or_initialize_by_key(key) if validator.valid? measurable.measurement = value measurable.save! end end end Wednesday, August 22, 12
20. Humble View Wednesday, August 22, 12
21. View dependent on DB Wednesday, August 22, 12
22. Application conditionals Wednesday, August 22, 12
23. Helpers are ruby code Wednesday, August 22, 12
24. Skinny Objects Wednesday, August 22, 12
25. Wednesday, August 22, 12
26. Wednesday, August 22, 12
27. Wednesday, August 22, 12
28. Wednesday, August 22, 12
29. Wednesday, August 22, 12
30. Wednesday, August 22, 12
31. What would the ideal app look like? Wednesday, August 22, 12
32. Artisan Wednesday, August 22, 12
33. Boundary Objects Artisan Web Framework Database Wednesday, August 22, 12
34. Interactor Wednesday, August 22, 12
35. Repository Wednesday, August 22, 12
36. Repository Registration Wednesday, August 22, 12
37. Repository shared examples Wednesday, August 22, 12
38. Presenter Wednesday, August 22, 12
39. Presenter in the view Wednesday, August 22, 12
40. Screaming Architecture Wednesday, August 22, 12
41. Tests ## Artisan Suite: ........................................................................................ ........................................................................................ ........................................................................................ .................................................................................... Finished in 1.26 seconds 348 examples, 0 failures Wednesday, August 22, 12
42. You can decouple your application from the framework. It doesn’t require a rewrite. Wednesday, August 22, 12
43. Thanks! Paul Pagel @paulwpagel Mike Jansen @mikejansen Wednesday, August 22, 12