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
隣の API のデータを Rails らしく、しなやかに扱う / Handling next-...
Search
osyoyu
October 22, 2022
Programming
0
300
隣の API のデータを Rails らしく、しなやかに扱う / Handling next-door API data in Rails
osyoyu
October 22, 2022
Tweet
Share
More Decks by osyoyu
See All by osyoyu
Rubyのパフォーマンスプロファイリングの改善 / Enhancing performance profiling for Ruby
osyoyu
1
590
RubyKaigi Decks
osyoyu
0
44
The depths of profiling Ruby - RubyKaigi 2024
osyoyu
3
3.1k
今年のRubyKaigiはProfiler Year🤘
osyoyu
0
1.1k
令和最新版 Ruby プロファイラ "Pf2" のご紹介
osyoyu
0
400
ちょっといい感じの Ruby プロファイラがほしい (RubyKaigi 2023 follow up)
osyoyu
1
310
Hacking and Profiling Ruby for Performance - RubyKaigi 2023
osyoyu
0
110
Other Decks in Programming
See All in Programming
GrafanaのHTTP API を眺めてみよう
rinchoku
0
440
Mercari AI/LLM Hackathon TeamBの発表資料
imaikosuke
0
180
データマイグレーションの成功戦略~サービスリニューアルで失敗しないための実践ガイド~
tkzwtks
8
840
CSC509 Lecture 05
javiergs
PRO
0
180
Integrating AI in Your Enterprise Java Applications
ivargrimstad
0
760
Subclassing, Composition, Python, and You
hynek
3
190
ポケモンで考えるコミュニケーション / Communication Lessons from Pokémon
mackey0225
5
220
/←このスケジュール表に立ち向かう フロントエンド開発戦略 / A front-end development strategy to tackle a single-slash schedule.
nrslib
1
390
LangChain & LangServeでAPIを爆速作成
kijitorabuti
2
350
CSC509 Lecture 04
javiergs
PRO
0
160
フロントエンドの現在地とこれから
koba04
10
4.6k
A Journey of Contribution and Collaboration in Open Source
ivargrimstad
0
1.1k
Featured
See All Featured
Building an army of robots
kneath
302
42k
The Illustrated Children's Guide to Kubernetes
chrisshort
48
48k
Into the Great Unknown - MozCon
thekraken
31
1.4k
Building Adaptive Systems
keathley
38
2.2k
Build your cross-platform service in a week with App Engine
jlugia
229
18k
Code Review Best Practice
trishagee
63
17k
Mobile First: as difficult as doing things right
swwweet
222
8.9k
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
105
48k
Designing Dashboards & Data Visualisations in Web Apps
destraynor
228
52k
Building a Modern Day E-commerce SEO Strategy
aleyda
38
6.9k
Testing 201, or: Great Expectations
jmmastey
38
7k
GraphQLとの向き合い方2022年版
quramy
43
13k
Transcript
Daisuke Aritomo (@osyoyu) / Kaigi on Rails 2022 ྡͷ API
ͷσʔλΛ Rails Β͘͠ɺ͠ͳ͔ʹѻ͏
@osyoyu Ͱ͢ • ΫοΫύουͰຖ Rails Λॻ͍ͯ·͢ • ී௨ͷ Ruby ͕͖
• ISUCON Ͱ Ruby Λ༏উ͍ͤͨ͞
ྡͷ API ͷσʔλΛ Rails Β͘͠ɺ͠ͳ͔ʹѻ͏
API ΞΫηεͳ͠ͰαʔϏεΛ࡞Εͣ ୭͕ API αʔόʔͱΫϥΠΞϯτͷ྆ํΛ࡞Δ େ API ࣌
API αʔόʔΛ࡞Δͱ͖ ϓϥΫςΟεཱ͕֬͞Ε͍ͯΔ
ҰํɺΫϥΠΞϯτΛ࡞Δͱ͖
ҰํɺΫϥΠΞϯτΛ࡞Δͱ͖
ҰํɺΫϥΠΞϯτΛ࡞Δͱ͖ API ΫϥΠΞϯτͷ࡞Γํ ඞͣ͠ཧ͞Ε͍ͯͳ͍
ྡͷ API ͷσʔλΛ Rails Β͘͠ɺ͠ͳ͔ʹѻ͏ ͍͍ײ͡ͷ API ΫϥΠΞϯτͷ࡞Γ͔ͨ
ʮ͍͍ײ͡ͷ API ΫϥΠΞϯτͷ࡞Γํʯ ΫοΫύουͰ͋Γ͕ͪͳࡐΛྫʹ έʔεελσΟͯ͠ΈΑ͏
ͲͷΑ͏ͳ Ruby ΠϯλʔϑΣʔεʹ͢Δ͔ʁ Ϩγϐίϯςετͷ microservice ͷྫ User (MySQL) Recipe
Contest (MySQL) Recipe (API) Recipe ContestEntry (MySQL) N 1 N 1 N 1 1 1
• ҟͳΔιʔεछผͷ en ti ty ҟͳΔऔಘํࣜΛఏڙ͢Δ • MySQL
༝དྷ AR::Base Λ ܧঝ͢ΔΫϥεͰදݱ • ֎෦༝དྷผͷΫϥεͰදݱ (i.e. AR::Base Λܧঝ͠ͳ͍) (1) ιʔεͷछผʹண͢Δ User (MySQL) Recipe Contest (MySQL) Recipe (API) Recipe ContestEntry (MySQL) N 1 N 1 N 1 1 1
None
has_one ૉʹදݱͰ͖ͦ͏
belongs_to Ͱ N+1 ʹͳΓ͕ͪ has_one ૉʹදݱͰ͖ͦ͏ has_manyͱ belongs_toͷෳ߹
(1) ιʔεͷछผʹண͢Δ ੑ࣭͕ҟͳΔ (DB/API) σʔλ͕֤ʑʹదͨ͠ߏΛͭ ϓϩάϥϜͷڍಈΛ૾͍͢͠ 👍 JOIN ؔ࿈
(associa ti on) Λදݱ͢Δͷʹແཧ͕ੜ͡Δ 🤔
• ಉҰͷυϝΠϯͷ en ti ty ಉҰͷऔಘํ๏Λఏڙ͢Δ • ΞϓϦͷυϝΠϯ্ͳΒ
ͯ͢ Ac ti veRecord-like ͳ औಘํࣜΛఏڙ͢Δ (2) υϝΠϯڥքʹண͢Δ Tweet (API) User (MySQL) Recipe Contest (MySQL) Recipe (API) Recipe ContestEntry (MySQL) 1 N 1 N 1 1
ਓྨͷྺ࢙: ActiveResource, Her, ... • Ac ti veResource • RESTful
API Λ͍͍ײ͡ʹ model ͬΆͯ͘͘͠ΕΔ • Rails 3.2 ·Ͱͷඪ४ػೳͩͬͨ • Her • ͜Εಉ͡Α͏ͳతͷ Gem • ΄͔ʹ Ac ti veRestClient, Spyke, Flexirest ͳͲ͕͋Δ
ਓྨͷྺ࢙: ActiveResource, Her, ... • ͜ΕΒ "Res tf ul API"
Λେલఏʹ͓͍͍ͯΔ • ಛఆͷ URL ߏΛٻΊΒΕΔ • ͬͺΓ JOIN ͦ͜·ͰಘҙͰͳ͍
(2) υϝΠϯڥքʹண͢Δ ؔ࿈͢ΔσʔλʹಉҰͷૢ࡞ମܥͰΞΫηεͰ͖Δ ʹ σʔλͷར༻͕ࣗવͳܗͰهड़Ͱ͖Δ 👍 ຊདྷҟͳΔૢ࡞ΛಉҰͷૢ࡞ʹݟ͔͚͍ͤͯΔͷͰ ࣮ʹແཧ͕ग़͖͕ͯͪ 🤔
(2) υϝΠϯڥքʹண͢Δ ؔ࿈͢ΔσʔλʹಉҰͷૢ࡞ମܥͰΞΫηεͰ͖Δ ʹ σʔλͷར༻͕ࣗવͳܗͰهड़Ͱ͖Δ 👍 ຊདྷҟͳΔૢ࡞ΛಉҰͷૢ࡞ʹݟ͔͚͍ͤͯΔͷͰ ࣮ʹແཧ͕ग़͖͕ͯͪ 🤔
👊👊 ࣮ͰΓӽ͑Εղܾ 👊👊
ͭͬͯ͘ΈΑ͏ʂ
AR ෩ API ΫϥΠΞϯτΛͭͬͯ͘ΈΑ͏ • ֎෦ API ͕ఏڙ͢Δ Recipe ʹ͍ͭͯ
• Recipe. fi nd(1) ͷΑ͏ͳܗͰΫΤϦͰ͖Δ • @recipe. ti tle ͷΑ͏ͳܗͰϑΟʔϧυΛಡΊΔ • Ϧιʔεαʔόʔʹಛఆͷߏ (RESTful) Λཁٻ͠ͳ͍ • JOIN (has_many, belongs_to, ...) ͏·͘͜ͳͤΔ • Α͏ͳʢجຊతͳʣͷΛͭͬͯ͘ΈΑ͏
ͨͱ͑ AR ෩ʹ͢Δ߹Ͱ͋ͬͯɺτϥϯεϙʔτ͖͢ ϦτϥΠॲཧͳͲ͍ͨ͠͠ɺgRPC ҠߦͳͲָʹͳΔ ·ͣૢ࡞తͳΫϥΠΞϯτΛ༻ҙ Level 1
ͦΕΛͬͯ Recipe.find ͰϦΫΤετ Level 1 ҰԠ has_one తͳϝιου ΫΤϦ༻ͷϝιου (
fi nd, where) recipe# ti tle ͳͲͰϑΟʔϧυΞΫηε
Controller Ͱผݸʹॲཧ͢ΕճආՄೳͰ͋Δ͕…… includes(:recipes) ͷΑ͏ʹهड़͍ͨ͠ ͕͢͞ʹ·࣮ͩ༻త͡Όͳ͍͔ User Recipe Contest Recipe
Recipe ContestEntry recipes (API) ΛԿϦΫΤετͯ͠͠·͏😔ɹɹɹɹ
• Recipe. fi nd ͷ෦ͰΩϡʔΠϯά͢Δ • Recipe. fi nd ͔Βͻͱ·ͣ
Promise తͳΦϒδΣΫτ͕ฦΔ • exAspArk/batch-loader Λར༻ • Recipe. fi nd ͷฦΓʹରͯ͠ # ti tle ͳͲΛݺͿͱɺอཹ͞Ε͍ͯͨϦΫΤετ͕·ͱΊͯඈͿ BatchLoader Ͱ eager loading ͢Δ Level 2
has_one :recipe Ͱهड़͍ͨ͠…… has_many :recipes Ͱهड़͍ͨ͠……
API ຊͷ ActiveRecord ʹͪ͠Ό͏ Level 3 • ຊͷ Ac ti
veRecord Ϋϥεʹͯ͠͠·͏ ͜ͱͰ has_many, belongs_to ͳͲ͕͑Δ • ͜ͷٕΛ͑Δ͔ෆม݅࣍ୈ • ͜͜Ͱ "recipe.user_id ͕ෆมͰ͋Δ" • (͔ͭ recipe.user_id ͕ FK Ͱ͋Δ͜ͱ) • ෆม݅ͷ෦͚ͩςʔϒϧʹೖΕΔ
• ݸਓతʹ AR ෩Ͱͳ͘ɺͬͱૢ࡞తͳܗ͕ྑ͍ͱࢥ͏ • APIClient.update(id: 1, {name: "nanika"}) •
τϥϯβΫγϣϯ͕ඞཁͳΒ1ͭͷDBͷ౷߹Λߟ͑Δ͖ • ΫϥΠΞϯτͷߏʹؔͳ͘ɺ͞ΜτϥϯβΫγϣϯࠔ ͱ͜ΖͰߋ৽ɾআʁ Others
མͪึͻΖ͍ɾࡉ͔͍ Others • AR ෩ͷΦϒδΣΫτΛ༻ҙ͢ΔʹͤΑɺescape hatch ༻ҙͨ͠΄͏͕͍͍ • Ac ti
veModel::Model ʹ͍ͭͯ • ͓ΈͰ include ͢ΔͱΑ͍Ͱ͠ΐ͏ • valida ti on callbacks, rou ti ng ͳͲʹؔ࿈͢Δαϙʔτ͕͍͖ͭͯ·͢ • cookpad/expeditor ͰߋͳΔߴԽΛૂ͏
·ͱΊ ಉҰυϝΠϯͷen ti tyΛಉҰͷૢ࡞ମܥͰѻ͑Δͱؾ͍͍࣋ͪ
We are hiring! cookpad.jobs