APIKit

関西モバイルアプリ研究会 #2 - connpass
http://kanmoba.connpass.com/event/14252/

Transcript

1. Swi$%Β͍͠%API%ΫϥΠΞϯτ !"APIKit"Λ࢖͏"! Ӊࠤݟ!ެี!@usamik26
2. Ӊࠤݟ!ެี!@usamik26 • ϑΣϯϦϧגࣜձࣾ"iOS"ΞϓϦϓϩάϥϚ • WWDC"2015"ࢀՃ • Objec1ve3C"޷͖ • Swi5"࠷ۙ޷͖ʹͳͬͨ • Haskell"ษڧத
4. APIKit
5. APIKit • Swi%&Ͱ&Web&API&ΫϥΠΞϯτ࣮૷Λ͢ΔͨΊͷϥΠϒϥϦ • h.ps:/ /github.com/ishkawa/APIKit • 3&݄ͷ&potato>ps&Ͱ͝ຊਓʹΑΔ঺հ • ͦͷޙɺ࢓༷มߋˍόʔδϣϯΞοϓ • ࣮Ҋ݅Ͱ࠾༻͠·ͨ͠
6. APIKit'Λ࢖ͬͨίʔυ
7. API$Λ࢖͏ଆͷίʔυ let request = HogeApi.Endpoint.Login(user: "hoge", pass: "hoge") HogeApi.sendRequest(request) { response in switch response { case .Success(let box): let loginResponse = box.value // ਖ਼ৗϨεϙϯε ... case .Failure(let box): let error = box.value // NSError ...
8. API$Λ࣮૷͢Δଆͷίʔυ$(1) class HogeApi: API { override class var baseURL: NSURL { return NSURL(string: "https://hogehoge/api")! } class Endpoint { // ͜ͷதʹ֤ΤϯυϙΠϯτͷΫϥεΛ࣮૷͠·͢ // ࠓճ͸ผϑΝΠϧʹ෼͚ͯ extension Ͱ࣮૷͠·ͨ͠ } }
9. API$Λ࣮૷͢Δଆͷίʔυ$(2) extension HogeApi.Endpoint { class Login: Request { let user: String let pass: String var URLRequest: NSURLRequest? { return HogeApi.URLRequest(method: .GET, path: "login", parameters: ["user": user, "pass": pass]) } typealias Response = LoginResponse static func responseFromObject(object: AnyObject) -> Response? { return LoginResponse(object) } ... }
10. API$Λ࣮૷͢Δଆͷίʔυ$(3) extension HogeApi.Endpoint { ... class LoginResponse { let json: JSON // SwiftyJSON let token: String init (_ object: AnyObject) { let json = JSON(object) self.json = json self.token = json["token"].stringValue } } }
11. APIKit'ͷར఺
12. ैདྷͷύλʔϯ • API%ͷ%comple,on%handler%ʹɺresponse%ͱ%error%͕྆ํ͋Δ • response%:%੒ޭ࣌ͷϨεϙϯε • error%:%ࣦഊ࣌ͷΤϥʔ
13. ैདྷύλʔϯͷ໰୊఺
14. APIKit'ͷίʔυʢ࠶ܝʣ let request = HogeApi.Endpoint.Login(user: "hoge", pass: "hoge") HogeApi.sendRequest(request) { response in switch response { case .Success(let box): let loginResponse = box.value // LoginResponse ... case .Failure(let box): let error = box.value // NSError ...
15. APIKit'ͷར఺
16. an#typical/Result/ͷ׆༻ enum Result<T, E> { case Success(Box<T>) case Failure(Box<E>) } • response"͸"Result<T.Response, NSError>"ܕ • .Success"ͷͱ͖"LoginResponse"ܕ • .Failure"ͷͱ͖"NSError"ܕ
17. Designed(for(Safety
18. Designed(for(Safety • Swi%&ͷಛ௃ͷͻͱͭ • C&ݴޠ͕ʮϓϩάϥϚΛ৴༻͢Δʯࢥ૝Ͱ͋Δͷͱରরత • ྫ͑͹&Op*onal&͸͜ͷಛ௃Λ࣮ݱ͢ΔͨΊͷΩʔػೳͷͻͱͭ • Op*onal&ܕΛ&unwrap&͠ͳ͍ͱී௨ͷܕͱͯ͠ѻ͑ͳ͍ • null&ࢀর͕ͳ͘ͳͬͯ҆શ
19. APIKit'ͷར఺ • Ϩεϙϯε͕໌֬Ͱෆ໌ͳঢ়ଶ͕ͳ͍ • Swi%&Β͍͠&ʹ&Designed&for&Safety
20. ·ͱΊ Swi$%Λ࢖ͬͯ҆શͳίʔυΛॻ͜͏