Upgrade to Pro — share decks privately, control downloads, hide ads and more …

Practical SOLID with Rails

Sponsored · Your Podcast. Everywhere. Effortlessly. Share. Educate. Inspire. Entertain. You do you. We'll handle the rest. →
Avatar for Andrey Savchenko Andrey Savchenko
February 23, 2013
Programming
640
5

Practical SOLID with Rails

Ruby Meditation s.1, e.1, Kiev

Avatar for Andrey Savchenko

Andrey Savchenko

February 23, 2013

More Decks by Andrey Savchenko

See All by Andrey Savchenko
Building web-API without Rails, registration or sms
Avatar for Andrey Savchenko ptico
3
920
The big, the small and the Redis
Avatar for Andrey Savchenko ptico
1
250
Zen TDD
Avatar for Andrey Savchenko ptico
2
210
The Application: An Unexpected Journey
Avatar for Andrey Savchenko ptico
1
320
The scary fairy tale about MVC or How to stop worrying and start to write ruby code
Avatar for Andrey Savchenko ptico
3
300
How to f*ck up the refactoring
Avatar for Andrey Savchenko ptico
11
470
Redis - little helper for big applications (rus)
Avatar for Andrey Savchenko ptico
3
170

Other Decks in Programming

See All in Programming
Composerを使ったサプライチェーン攻撃の様子を眺めてみる #phpstudy
Avatar for hideki kinjyo o0h
PRO
2
220
RTSPクライアントを自作してみた話
Avatar for simotin13 simotin13
0
440
Lessons from Spec-Driven Development
Avatar for Simon Martinelli simas
PRO
0
130
運用エージェントは "作る" から "育てる" へ - 記憶と自己進化の3層設計パターン / self-evolving-agents-three-layer-agent-design
Avatar for geeawa gawa
12
3.4k
AI時代のUIはどこへ行く？その2！
Avatar for Yusuke Wada yusukebe
19
6.5k
GitHub Copilot CLIのいいところ
Avatar for tkym htkym
2
1.3k
代数的データ型って何が嬉しいの？ #frontend_phpcon_do
Avatar for Takuma Kajikawa kajitack
8
3.1k
プラグインで拡張される Context をtype-safe にする難しさと設計判断
Avatar for kazupon kazupon
2
570
TSKaigi 2026 TypeScriptバックエンドのオブザーバビリティ戦略 — Datadog × NestJSの実践
Avatar for Taisei Yamamoto taiseiyamamotoan
2
270
AI駆動開発で崩れていくコードベースを立て直す
Avatar for Kyoko NR kyoko_nr_nr
1
430
TypeScript+Orvalで実現する型安全かつ堅牢でスケーラブルなマルチチャネル通知基盤 / TSKaigi Night talks ~after conference~
Avatar for doriven d0riven
0
220
プロパティの順序で型推論が壊れる!? TypeScript6.0の修正からContext-Sensitivityの仕組みを追う
Avatar for おおいし bicstone
2
1.3k

Featured

See All Featured
So, you think you're a good person
Avatar for Per Axbom axbom
PRO
2
2k
GraphQLの誤解/rethinking-graphql
Avatar for sonatard sonatard
75
12k
Automating Front-end Workflow
Avatar for Addy Osmani addyosmani
1370
210k
Design and Strategy: How to Deal with People Who Don’t "Get" Design
Avatar for Morgane Peng morganepeng
133
19k
Optimising Largest Contentful Paint
Avatar for Harry Roberts csswizardry
37
3.7k
Visualization
Avatar for Eitan Lees eitanlees
152
17k
Building a A Zero-Code AI SEO Workflow
Avatar for Ian Lurie portentint
PRO
0
550
Building Better People: How to give real-time feedback that sticks.
Avatar for Will Jessup wjessup
370
20k
Connecting the Dots Between Site Speed, User Experience & Your Business [WebExpo 2025]
Avatar for Tammy Everts tammyeverts
11
930
How to Grow Your eCommerce with AI & Automation
Avatar for Katarina Dahlin katarinadahlin
PRO
1
200
Getting science done with accelerated Python computing platforms
Avatar for Jacob Tomlinson jacobtomlinson
2
220
AI Search: Implications for SEO and How to Move Forward - #ShenzhenSEOConference
Avatar for Aleyda Solis aleyda
1
1.3k

Transcript

  1. Practical SOLID with Rails Andrey Savchenko CTO @ Aejis Tuesday,

    March 19, 13

  2. Let’s start the our new, awesome project! Tuesday, March 19,

    13

  3. class < ActiveRecord::Base belongs_to :company has_many :products has_many :warehouses validates_presence_of

    :name end Tuesday, March 19, 13

  4. Tuesday, March 19, 13

  5. 10 months later... Tuesday, March 19, 13

  6. Tuesday, March 19, 13

  7. Tuesday, March 19, 13

  8. SOLID Tuesday, March 19, 13

  9. SOLID • Single responsibility principle • Open-Closed principle • Liskov

    substitution principle • Interface segregation principle • Dependency inversion principle Tuesday, March 19, 13

  10. SRP • Easy to read • Easy to change •

    Easy to reuse No god objects Tuesday, March 19, 13

  11. Tuesday, March 19, 13

  12. Tuesday, March 19, 13

  13. Tuesday, March 19, 13

  14. Tuesday, March 19, 13

  15. Tuesday, March 19, 13

  16. Tuesday, March 19, 13

  17. Tuesday, March 19, 13

  18. Tuesday, March 19, 13

  19. Tuesday, March 19, 13

  20. Tuesday, March 19, 13

  21. PROFIT!? Tuesday, March 19, 13

  22. So much objects? NO! Tuesday, March 19, 13

  23. YES! • https://github.com/drapergem/draper • https://github.com/mbj/aequitas • https://github.com/Ptico/resourced • https://github.com/bogdan/datagrid Tuesday,

    March 19, 13

  24. OCP Tuesday, March 19, 13

  25. Tuesday, March 19, 13

  26. Tuesday, March 19, 13

  27. LSP Tuesday, March 19, 13

  28. ISP Tuesday, March 19, 13

  29. DI Tuesday, March 19, 13

  30. Tuesday, March 19, 13

  31. Tuesday, March 19, 13

  32. Picture with cat Because everyone loves cats <3 Tuesday, March

    19, 13

  33. Questions? • Twitter: @ptico • Github: @ptico Tuesday, March 19,

    13