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-door API data in Rails
Search
osyoyu
October 22, 2022
Programming
0
250
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
The depthes of profiling Ruby - RubyKaigi 2024
osyoyu
0
150
今年のRubyKaigiはProfiler Year🤘
osyoyu
0
590
令和最新版 Ruby プロファイラ "Pf2" のご紹介
osyoyu
0
190
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
220
Hacking and Profiling Ruby for Performance - RubyKaigi 2023
osyoyu
0
74
Other Decks in Programming
See All in Programming
TypeScript 関数型スタイルでバックエンド開発のリアル
naoya
49
16k
Enjoy Creative Coding with Ruby (RubyKaigi2024)
chobishiba
0
110
TypeScriptから始める VR生活
tamagokakeg
2
120
GoでParserを書く
karupanerura
3
340
TypeScriptコードの漸進的改善 / Progressive Improvement of TypeScript Code
medley
1
440
Open AI APIを使う前に知っておきたいアカウントTier の話
akki_megane
0
130
TypeScriptでもLLMアプリケーション開発 / LLM Application In Typescript
rkaga
5
1.3k
The Design of Everyday APIs - PyCon 2024
roguelynn
0
190
RustでAWS Lambda functionをいい感じに書く
taiki45
2
150
Effectで作る堅牢でスケーラブルなAPIゲートウェイ / Robust and Scalable API Gateway Built on Effect
yasaichi
7
1.2k
Good first issues of TypeProf
mame
4
560
2024 コーディング研修
ckazu
2
650
Featured
See All Featured
Reflections from 52 weeks, 52 projects
jeffersonlam
345
19k
What the flash - Photography Introduction
edds
64
11k
Raft: Consensus for Rubyists
vanstee
133
6.3k
Optimising Largest Contentful Paint
csswizardry
13
2.4k
個人開発の失敗を避けるイケてる考え方 / tips for indie hackers
panda_program
67
14k
Side Projects
sachag
451
41k
Creatively Recalculating Your Daily Design Routine
revolveconf
211
11k
What's new in Ruby 2.0
geeforr
338
31k
Into the Great Unknown - MozCon
thekraken
15
1.1k
How To Stay Up To Date on Web Technology
chriscoyier
782
250k
The MySQL Ecosystem @ GitHub 2015
samlambert
244
12k
Bash Introduction
62gerente
605
210k
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