DCI: Let the code do the talking

“DCI and the application builds our mental models” redux

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
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
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
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/
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!