Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Slim Ruby on Rails: Controllers & Middlewares
Search
Krzysztof Wawer
June 21, 2017
Programming
1
190
Slim Ruby on Rails: Controllers & Middlewares
Krzysztof Wawer
June 21, 2017
Tweet
Share
More Decks by Krzysztof Wawer
See All by Krzysztof Wawer
The Good Architecture
wafcio
0
650
GIT - Good Practices
wafcio
0
92
Dry System
wafcio
0
120
dry-validations
wafcio
0
190
Validations in Ruby
wafcio
0
200
Generating a CSV file with ROM
wafcio
0
340
Trailblazer bez trailblazera
wafcio
0
240
ActiveRecord, DataMapper czy Agregacja encji
wafcio
0
200
Jak (nie) używać Service Object
wafcio
0
220
Other Decks in Programming
See All in Programming
Amazon Bedrockを活用したRAGの品質管理パイプライン構築
tosuri13
5
760
CSC307 Lecture 10
javiergs
PRO
1
660
開発者から情シスまで - 多様なユーザー層に届けるAPI提供戦略 / Postman API Night Okinawa 2026 Winter
tasshi
0
200
2026年 エンジニアリング自己学習法
yumechi
0
140
AWS re:Invent 2025参加 直前 Seattle-Tacoma Airport(SEA)におけるハードウェア紛失インシデントLT
tetutetu214
2
120
OSSとなったswift-buildで Xcodeのビルドを差し替えられるため 自分でXcodeを直せる時代になっている ダイアモンド問題編
yimajo
3
620
HTTPプロトコル正しく理解していますか? 〜かわいい猫と共に学ぼう。ฅ^•ω•^ฅ ニャ〜
hekuchan
2
690
AtCoder Conference 2025
shindannin
0
1.1k
高速開発のためのコード整理術
sutetotanuki
1
400
「ブロックテーマでは再現できない」は本当か?
inc2734
0
1k
ぼくの開発環境2026
yuzneri
0
240
プロダクトオーナーから見たSOC2 _SOC2ゆるミートアップ#2
kekekenta
0
220
Featured
See All Featured
Marketing to machines
jonoalderson
1
4.6k
Dealing with People You Can't Stand - Big Design 2015
cassininazir
367
27k
4 Signs Your Business is Dying
shpigford
187
22k
A Modern Web Designer's Workflow
chriscoyier
698
190k
Leo the Paperboy
mayatellez
4
1.4k
[RailsConf 2023] Rails as a piece of cake
palkan
59
6.3k
The Art of Programming - Codeland 2020
erikaheidi
57
14k
The AI Revolution Will Not Be Monopolized: How open-source beats economies of scale, even for LLMs
inesmontani
PRO
3
3k
Paper Plane (Part 1)
katiecoart
PRO
0
4.3k
A designer walks into a library…
pauljervisheath
210
24k
Mobile First: as difficult as doing things right
swwweet
225
10k
No one is an island. Learnings from fostering a developers community.
thoeni
21
3.6k
Transcript
Slim Ruby on Rails: Controllers & Middlewares Krzysztof Wawer
Request https://medium.com/@christemple/what-is-rack-in-ruby-7e0615f1d9b6
Request Rack App Middlewares log auth cache HTTP Request HTTP
Response
Middleware
Rack Middleware http://railscasts.com/episodes/151-rack-middleware
Ruby on Rails Middleware stack $ rails new app $
rails new app --api $ rake middleware http://guides.rubyonrails.org/rails_on_rack.html#configuring-middleware-stack
Ruby on Rails Middleware stack use Rack::MethodOverride use Sprockets::Rails::QuietAssets use
WebConsole::Middleware use ActionDispatch::Cookies use ActionDispatch::Session::CookieStore use ActionDispatch::Flash http://guides.rubyonrails.org/rails_on_rack.html#configuring-middleware-stack
RoR Middlewares problem https://github.com/rails/rails/blob/master/railties/lib/rails/application/default_middleware_stack.rb
http://paulserraino.com/rails/2016/02/29/rails-mountable-engines.html Rails Engines
Ruby on Rails Engine http://tech.taskrabbit.com/blog/2014/02/11/rails-4-engines/
Controller
None
None
ActionController::Base http://api.rubyonrails.org/classes/ActionController/Base.html
ActionController::API http://api.rubyonrails.org/classes/ActionController/API.html
ActionController::Metal http://api.rubyonrails.org/classes/ActionController/Metal.html
ActionController::API http://api.rubyonrails.org/classes/ActionController/API.html
Why ?
• Strong Parameters • Params Wrapper
• Strong Parameters • Params Wrapper Mapping
Mapping - missing part Nested Attributes - revealing structure