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
滅・サービスクラス🔥 / Destruction Service Class
Search
Takumi Shotoku
February 13, 2025
Technology
8
2.6k
滅・サービスクラス🔥 / Destruction Service Class
【オフライン開催】Roppongi.rb #27
https://roppongirb.connpass.com/event/343872/
Takumi Shotoku
February 13, 2025
Tweet
Share
More Decks by Takumi Shotoku
See All by Takumi Shotoku
Automatically generating types by running tests
sinsoku
3
11k
テストを書かないためのテスト/ Tests for not writing tests
sinsoku
1
270
ドメインの本質を掴む / Get the essence of the domain
sinsoku
2
310
"型"のあるRailsアプリケーション開発 / Typed Rails application development
sinsoku
10
2.9k
Let's get started with Ruby && Rails Tips
sinsoku
0
450
LTの敷居を下げる / Lower the threshold for LT
sinsoku
1
390
CircleCIの高速化🚀 / CircleCI faster
sinsoku
3
1.4k
Railsアプリと型検査 / Rails app and type checking
sinsoku
5
1.6k
💎のつくりかた 2023 / How to make gems 2023
sinsoku
2
430
Other Decks in Technology
See All in Technology
それでも私が品質保証プロセスを作り続ける理由 #テストラジオ / Why I still continue to create QA process
pineapplecandy
0
160
AI時代の開発を加速する組織づくり - ブログでは書けなかったリアル
hiro8ma
1
250
OSSで50の競合と戦うためにやったこと
yamadashy
3
930
フレームワークを意識させないワークショップづくり
keigosuda
0
240
「魔法少女まどか☆マギカ Magia Exedra」の多様なバトルの開発を柔軟かつ効率的に実現するためのPure C#とUnityの分離について
gree_tech
PRO
0
240
研究開発部メンバーの働き⽅ / Sansan R&D Profile
sansan33
PRO
3
20k
Introduction to Sansan, inc / Sansan Global Development Center, Inc.
sansan33
PRO
0
2.8k
Biz職でもDifyでできる! 「触らないAIワークフロー」を実現する方法
igarashikana
3
1.5k
Railsの話をしよう
yahonda
0
170
webpack依存からの脱却!快適フロントエンド開発をViteで実現する #vuefes
bengo4com
2
2.1k
OpenTelemetry が拡げる Gemini CLI の可観測性
phaya72
2
1.8k
アウトプットから始めるOSSコントリビューション 〜eslint-plugin-vueの場合〜 #vuefes
bengo4com
3
270
Featured
See All Featured
How to train your dragon (web standard)
notwaldorf
97
6.3k
The Language of Interfaces
destraynor
162
25k
Principles of Awesome APIs and How to Build Them.
keavy
127
17k
Mobile First: as difficult as doing things right
swwweet
225
10k
Sharpening the Axe: The Primacy of Toolmaking
bcantrill
46
2.5k
Product Roadmaps are Hard
iamctodd
PRO
55
11k
Evolution of real-time – Irina Nazarova, EuRuKo, 2024
irinanazarova
9
990
ピンチをチャンスに:未来をつくるプロダクトロードマップ #pmconf2020
aki_iinuma
127
54k
Large-scale JavaScript Application Architecture
addyosmani
514
110k
Building Better People: How to give real-time feedback that sticks.
wjessup
369
20k
Building Adaptive Systems
keathley
44
2.8k
Build The Right Thing And Hit Your Dates
maggiecrowley
37
2.9k
Transcript
໓ɾαʔϏεΫϥε Roppongi.rb #27 2025/02/13 1
ࣗݾհ • ໊લ: ਖ਼ಙ (aka: ਆ) • GitHub: @sinsoku (ը૾ӈ্)
• X: @sinsoku_listy (ը૾ӈԼ) • Railsྺ: 10͘Β͍ 2
એ: ! sinsoku/rbs-trace • ςετͷ࣮ߦ࣌ʹܕใΛऩू • ࣗಈతʹ rbs-inline ͷίϝϯτΛૠೖ •
։ൃதʢmain ϒϥϯνͷར༻Λਪʣ 3
αʔϏεΫϥεʹ͍ͭͯ 4
αʔϏεΫϥεͱ • αʔϏεͷػೳΛදݱ͢ΔΫϥε • ෳϞσϧΛѻ͏Ϋϥε • ϏδωεϩδοΫΛѻ͏Ϋϥε • υϝΠϯۦಈʢDDDʣ 5
2025-02-12 6
2024-11-05 7
2023-10-05 8
2022-03-30 9
αʔϏεΫϥεΛ࡞Βͳ͍ٕज़ 10
! FormObjectʹΑΔΞϓϩʔν RailsͷΈΛཧղͯ͠ϞσϧΛ্खʹҭͯΔ1 by igaiga 1 https://speakerdeck.com/igaiga/kaigionrails2024/ 11
⭐ ผख๏: ActiveRecord::Callbacks Λ͏ • 1ͭͷτϥϯβΫγϣϯʹͳΔ • before_validation ͔ΒτϥϯβΫγϣϯʹؚ·ΕΔ2 •
ϞσϧʹϩδοΫ͕ू͞ΕΔ • Immutable Data Model લఏͰઃܭ͢Δ 2 SQLΛൃߦ͠ͳ͍߹τϥϯβΫγϣϯͷ։࢝Ԇ͞ΕΔ 12
ྫ: Ϣʔβʔ͕ୀձ͢Δʢཧআʣ 13
NG: UserArchiveServiceΛ࡞Δ class UsersController # POST /users/:id/archive def archive service
= UserArchiveService.new(current_user) if service.call head :ok else head :bad_request end end end 14
NG: UserArchiveServiceΛ࡞Δ class UserArchiveService validate :unpaid_fees_must_not_exist def initialize(user) @user =
user end def call ActiveRecord:"Base.transaction do # `users.deleted_at` ʹݱࡏ࣌Λอଘ # ؔ࿈͢ΔσʔλΛߋ৽͢Δ end end end 15
OK: ArchiveϞσϧΛ࡞Δ class ArchivesController def create archive = Archive.new(user: current_user)
if archive.save head :ok else head :bad_request end end end 16
OK: ArchiveϞσϧΛ࡞Δ class Archive < ApplicationRecord belongs_to :user validate :unpaid_fees_must_not_exist
after_create :set_deleted_at, :update_related_data private def set_deleted_at user.update!(archived_at: Time.current) end def update_related_data # ؔ࿈͢ΔσʔλΛߋ৽͢Δ end end 17
OK: ArchiveϞσϧΛ࡞ΔʢActiveModel൛ʣ class Archive include ActiveModel:"Model extend ActiveModel:"Callbacks def initialize(user:)
@user = user end def save # ϝΠϯͷॲཧ end end 18
! ·ͱΊʢ͕࣌ؒΓͳ͔ͬͨ...ʣ • CallbacksΛ͏ͷѱ͘ͳ͍ • accepts_nested_attributes_for ͷར༻ѱ͘ͳ͍ • ͨͩ͠ Immutable
Data Model Λҙࣝ͢Δ • 1ͭͷϞσϧʹ Callbacks ͕ଟ͘ͳΓෳࡶʹͳΔͨΊ ଓ͖࠙ձͰ͠·͠ΐ͏ !" 19