DCI: Let the code do the talking

Transcript

1. DCILET THE CODE DO THE TALKING “DCI and the application

   builds our mental models” redux Shintaro Kakutani(@kakutani), ruby-no-kai || esminc,Fukuoka RubyKaigi 01, 2012-12-01(Sat)

2. taken by @hibariya @kakutani @j2h #rubyfriends

3. ఏɹڙ ͓͔͛͞·Ͱ̏̌प೥ ৘ใԽٕज़Λ௨ͯࣾ͡ձͱڞੜ͢Δ

4. None

5. Asakusa.rb http://www.flickr.com/photos/takkanm/3978417669

6. http://www.amazon.co.jp/o/ASIN/4274068560/kakutani-22

7. http://rubyfriends.com

8. http://www.slideshare.net/snoozer05/20101204-youmustunlearnwhatyouhavelearned/61

9. None

10. DCILET THE CODE DO THE TALKING “DCI and the application

    builds our mental models” redux Shintaro Kakutani(@kakutani), ruby-no-kai || esminc,Fukuoka RubyKaigi 01, 2012-12-01(Sat)

11. James O.Coplien

12. We’ve already had nice resources on the net...

13. http://www.amazon.co.jp/o/ASIN/0470684208/kakutani-22/ref=nosim/

14. http://objectsonrails.com/

15. http://clean-ruby.com/

16. http://rubysource.com/dci-the-evolution-of-the-object-oriented-paradigm/

17. http://dci-in-ruby.info/resources.html

18. http://mikepackdev.com/blog_posts/24-the-right-way-to-code-dci-in-ruby

19. ιϑτ΢ΣΞ͸ Ͳ͜ʹ͋Δͷ͔

20. ιϑτ΢ΣΞ͸಄ͷͳ͔ʹ͋Δ

21. ΤϯυϢʔβʔͷ ϝϯλϧϞσϧΛ ιʔείʔυͱͯ͠ දݱ͢Δ

22. গͣͭ͠ɺ ܁Γฦ͠ͳ͕Β ҭ͍ͯͯ͘

23. Software Development as Learning Process

24. “Agile”

25. ςετۦಈ։ൃ

26. ΦϒδΣΫτࢦ޲ઃܭ

27. ద੾ͳ໊લͷ͍ͭͨ ίʔυΛద੾ͳ৔ॴʹ ஔ͘͜ͱ

28. Ruby

29. ✓ Agile Style Workflow ✓ Test Driven Development ✓ Object-Oriented

    Design ✓ Ruby

30. ιϑτ΢ΣΞ͸಄ͷͳ͔ʹ͋Δ

31. http://www.amazon.co.jp/o/ASIN/4798124583/kakutani-22/ref=nosim/

32. We’re on the same rails http://pixdaus.com/single.php?id=104150

33. http://guides.rubyonrails.org/getting_started.html

34. http://guides.rubyonrails.org/getting_started.html#the-mvc-architecture

35. HTTP: Hyper TEXT Transfer Protocol

36. http://martinfowler.com/eaaCatalog/activeRecord.html

37. Active Record is a pattern for persistence

38. Rails doesn’t save YOUR Applications! (it’s an awesome FRAMEWORK!)

39. http://www.flickr.com/photos/essgee/2477102230/ Recap ‘Common Pitfalls’ @ursm mentioned in Sapporo RubyKaigi 2012

40. http://sapporo.rubykaigi.org/2012/en/schedule/details/64.html

41. ✓ Helpers don’t help up ✓ Partials are just partial,

    Not parts ✓ Too Fat to be a model

42. ✓ Helpers don’t help up ✓ Partials are just partial,

    Not parts ✓ Too Fat to be a model

43. Too Fat to be a model

44. None

45. DCI Data-Context-Interaction

46. ✓ Data: AR domain knowledge structure ✓ Context: ৔(Ba) Playing

    field for “objects” ✓ Interaction: Role Object#extend / refinements?

47. http://mikepackdev.com/blog_posts/24-the-right-way-to-code-dci-in-ruby

48. ✓ Data: AR ✓ Context: “Activities” ✓ Interaction: Modules Poor

    man’s DCI: you should check the talk given by @ursm in sapporo RubyKaigi 2012, thanks!

49. http://qa.atmarkit.co.jp/

50. Recap

51. ✓ Agile Style Workflow ✓ Test Driven Development ✓ Object-Oriented

    Design ✓ Ruby

52. Rails doesn’t save YOUR Applications! (it’s an awesome FRAMEWORK!)

53. ΤϯυϢʔβʔͷ ϝϯλϧϞσϧΛ ιʔείʔυͱͯ͠ දݱ͢Δ

54. ιϑτ΢ΣΞ͸಄ͷͳ͔ʹ͋Δ

55. Bonus Takeaway

56. https://codeclimate.com/

57. None

58. ιϑτ΢ΣΞΛཧղ͢Δͷʹ͋ͨΓɺυΩϡ ϝϯτ͕͋Δͱྑ͍͠ɺςετίʔυ΋͋Δͱ ॿ͔ΔɻϓϩμΫγϣϯίʔυʹίϝϯτ͕͋ Ε͹͔֬ʹศར͚ͩͲɺϓϩμΫγϣϯίʔυ ͦͷ΋ͷ͕ͦͷιϑτ΢ΣΞͷ͜ͱΛޠ͍ͬͯ ΔΑ͏ʹίʔυΛॻ͚ΔΑ͏ʹʜʜͳΓ͍ͨ ͶɻͰ΋ɺͦͷͨΊʹ͸ɺ͚͖ͬΐࣗ͘෼ͨͪ ্͕खʹͳΔΑ͏ʹ࿅शΛॏͶ͍͔ͯ͘͠ͳ͍ ͱࢥ͏ͷͰɺΈͳ͞ΜҰॹʹ͕Μ͹Ζ͏

59. Let the Code Do The Talking!