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
Moya+RxSwiftで実現する!ReactiveなAPIリクエスト
Search
satoshin21
October 02, 2017
Technology
0
3.2k
Moya+RxSwiftで実現する!ReactiveなAPIリクエスト
俺コン Vol.1 / Day. 1
https://orecon.connpass.com/event/63769/
satoshin21
October 02, 2017
Tweet
Share
More Decks by satoshin21
See All by satoshin21
少数精鋭で戦うための技術的改善について
satoshin21
3
1.3k
GTXiLibで小さく始めるAccessibility Testing
satoshin21
0
5.1k
iPhoneのカメラで写真撮影から現像までの技術を紐解く
satoshin21
4
3.4k
try! swift-sh
satoshin21
2
970
Reduxを取り入れて開発はpairs開発はどう変わったか
satoshin21
0
370
レガシーなアプリケーションの 60fps化を目指す為にやっていること
satoshin21
12
4k
Introducing CodeLayout with Tips
satoshin21
6
1.6k
World of No Interface Builder
satoshin21
0
1.9k
What I've done to attend WWDC
satoshin21
0
120
Other Decks in Technology
See All in Technology
モバイルゲームの開発を支える基盤の歩み ~再現性のある開発ラインを量産する秘訣~
qualiarts
0
660
AIに全任せしないコーディングとマネジメント思考
kikuchikakeru
0
280
The Madness of Multiple Gemini CLIs Developing Simultaneously with Jujutsu
gunta
1
2.8k
完璧を目指さない小さく始める信頼性向上
kakehashi
PRO
0
120
マルチモーダル基盤モデルに基づく動画と音の解析技術
lycorptech_jp
PRO
2
270
AI時代の知識創造 ─GeminiとSECIモデルで読み解く “暗黙知”と創造の境界線
nyagasan
0
170
メモ整理が苦手な者による頑張らないObsidian活用術
optim
0
150
興味の胞子を育て 業務と技術に広がる”きのこ力”
fumiyasac0921
0
300
SAE J1939シミュレーション環境構築
daikiokazaki
1
190
Kiro Hookを Terraformで検証
ao_inoue
0
140
大規模組織にAIエージェントを迅速に導入するためのセキュリティの勘所 / AI agents for large-scale organizations
i35_267
6
330
ビジネス文書に特化した基盤モデル開発 / SaaSxML_Session_2
sansan_randd
0
150
Featured
See All Featured
Imperfection Machines: The Place of Print at Facebook
scottboms
267
13k
How STYLIGHT went responsive
nonsquared
100
5.7k
個人開発の失敗を避けるイケてる考え方 / tips for indie hackers
panda_program
110
19k
JavaScript: Past, Present, and Future - NDC Porto 2020
reverentgeek
50
5.5k
Optimising Largest Contentful Paint
csswizardry
37
3.4k
XXLCSS - How to scale CSS and keep your sanity
sugarenia
248
1.3M
Java REST API Framework Comparison - PWX 2021
mraible
31
8.7k
How GitHub (no longer) Works
holman
314
140k
Making Projects Easy
brettharned
117
6.3k
The Power of CSS Pseudo Elements
geoffreycrofte
77
5.9k
Fight the Zombie Pattern Library - RWD Summit 2016
marcelosomers
234
17k
"I'm Feeling Lucky" - Building Great Search Experiences for Today's Users (#IAC19)
danielanewman
229
22k
Transcript
Moya + RxSwi,Ͱ࣮ݱ͢Δʂ Reac%veͳAPIϦΫΤετ Զίϯ Vol.1 Day. 1 @satoshin21 @satoshin21
1
INTRODUCE • @satoshin21 • eureka, Inc. • Pairs JP iOS
Applica<on Engineer • created Chainable Anima<on Library "Anima" @satoshin21 2
@satoshin21 3
What's Moya? @satoshin21 4
Whats' Moya? • Network abstrac.on layer • RxSwi6, Reac.veSwi6ͱͷ࿈ܞ͕σϑΥϧτͰՄೳ •
encapsulates Alamofire • ϓϥάΠϯΛ࡞Մೳ • ίϛϡχςΟ͕׆ൃ ( ༷ʑͳExtension ) @satoshin21 5
How to implement Moya.TargetType public enum GitHub { case zen
case userProfile(String) case userRepositories(String) } @satoshin21 6
How to implement Moya.TargetType extension GitHub: TargetType { public var
baseURL: URL { return URL(string: "https://api.github.com")! } public var path: String { switch self { case .userProfile(let name): return "/users/\(name.urlEscaped)" ... } } public var method: Moya.Method = .get public var parameters: [String: Any]? { ... } } @satoshin21 7
How to request with RxSwi0 & Moya let githubProvider =
MoyaProvider<GitHub>() githubProvider.request(.userProfile("satoshin21")).subscribe { event in switch event { case let .next(response): let jsonString = try? response.mapString() message = jsonString ?? message case let .error(error): print(error) default: break } } @satoshin21 8
@satoshin21 9
That's it? @satoshin21 10
Sampleͷ՝ • enumʹTargetTypeΛ࣮ • ΤϯυϙΠϯτ͕૿͑Δͱࠈ • Observable<Moya.Response> • Response ParseΛຖߦ͏
• APIKitͷΑ͏ʹType SafeͰͳ͍ @satoshin21 11
ཧܗ DoSomething() .asDriver(onErrorJustReturn: nil) .drive(imageView.rx.image) .addDisposableTo(disposeBag) @satoshin21 12
Moya Customiza-on for Pairs(jp) • enum to struct • Type
safeͳObservable<E> • Type Erasure @satoshin21 13
@satoshin21 14
enum to struct enum API { } extension API {
enum Community {} } // Community API extension API.Community { /// ίϛϡχςΟใऔಘ struct GetSingle: PairsTargetType { ... } /// Search struct Search: PairsTargetType { ... } } @satoshin21 15
enum to struct let communitySearch = API.Community.Search() @satoshin21 16
PairsTargetType protocol PairsTargetType: TargetType, ObservableType { /// DecodedResponseType associatedtype D
/// ObservableType.EʹόΠϯυͤ͞ΔͨΊ associatedtype E /// Ϩεϙϯε͔ΒೝΊ͍ͯΔܗࣜσίʔυ͢ΔʢJSONͳͲʣ func decodeResponse(_ response: Moya.Response) throws -> D /// Ϩεϙϯεใ͔Βྃ·ͰͷObservableΛ࡞͢Δ func didDecodeData(_ responseData: D) -> Observable<E> } @satoshin21 17
implements PairsTargetType struct GetCampaign: PairsTargetType { // Moya.Response -> JSON
typealias D = JSON // JSON -> [Community] typealias E = [Community] func didDecodeData(_ responseData: JSON) -> Observable<[Community]> { // JSON͔Β[Community]ͷϚοϐϯάDBͷอଘͳͲ let communities = ... return communities } } @satoshin21 18
PairsTargetTypeͷObservableԽ extension PairsTargetType { func subscribe<O: ObserverType>(_ observer: O) ->
Disposable where O.E == E { // APIϦΫΤετ -> decodeResponse(response)ͰMoya.Response͔Βσίʔυ let requestData = Observable<D>.create { (observer) in let cancellable = API.provider.request(.init(target: self), completion: { (result) in switch result { case .success(let response): let responseData = try self.decodeResponse(response) observer.onNext(responseData) observer.onCompleted() } ) return Disposables.create(with: cancellable.cancel) } // σίʔυ͞ΕͨΦϒδΣΫτ(ओʹJSON)͔ΒϚοϐϯά͞ΕͨΦϒδΣΫτ return requestData .flatMap(self.didDecodeData) .subscribe(observer) } @satoshin21 19
RxMoyaProvider<AnyPairsTarget> extension API { fileprivate static let provider = API.Provider()
// PairsTargetTypeΛ࣮ͨ͠ϦΫΤετͷॲཧΛߦ͏ fileprivate class Provider: RxMoyaProvider<AnyPairsTarget> { init() { } } } @satoshin21 20
Binding API.Image.Get() .asDriver(onErrorJustReturn: nil) .drive(imageView.rx.image) .addDisposableTo(disposeBag) @satoshin21 21
How we use Moya in Pairs // ίϛϡχςΟͱΧςΰϦʔΛऔಘ Observable .zip(
API.Community.GetCommunities(), API.Community.GetCategories(), resultSelector: { $0 }) .subscribe( onNext: { (communities: [Community], categories: [Category]) in // do something! }).addDisposableTo(disposeBag) @satoshin21 22
Summary • Moyaࣗମڧྗ͕ͩɺΧελϚΠζͰΑΓReac)veʹ @satoshin21 23
@satoshin21 24