MVCからVIPERへのリファクタに入門した話

VIPERへのリファクタをする時に、悩んだところについて説明しました。

Transcript

1. MVC͔ΒVIPER΁ͷ ϦϑΝΫλʹೖ໳ͨ͠࿩ @Shoryu0831
2. ࣗݾ঺հ • SHORYU • @Shoryu0831 • iOSΤϯδχΞ(2019/08~)@Azit • ॳLT
3. ֓ཁ
4. ֓ཁ • ݱࡏΞϓϦͷϦϑΝΫλத(MVC->VIPER) • ࣗ෼ͷܦݧ஋͸MVCͱMVVMΛগ͠ • ܦݧ஋͕গͳ͍ਓ͕VIPERʹ৮ΕͯΈͨ࿩Λ
 ͠·͢
5. ೰Μͩॴ
6. import UIKit class menuViewController: UIViewController { //ུ override func viewDidLoad() { if AuthUtil.getAuthInfo() { //ུ ݩͷίʔυ
7. ม਺ΛͲ͜Ͱ͔࣋ͭ • ࠷ॳ͸ViewͰauthenticatedͱ͍͏ϩάΠϯঢ় گʹΑͬͯ஋Λม͑Δม਺Λఆٛ͠ɺͦΕͷ ஋ʹΑͬͯϝχϡʔͷग़͠෼͚Λ͍ͯͨ͠ɻ
8. import UIKit final class menuViewController { private authenticated: Bool = false //ུ override func viewDidLoad() { presenter.getAuth(authenticated) //͜͜Ͱauthenticatedͷ੾Γସ͑ } //ུ ϩάΠϯঢ়گΛͲ͜Ͱ͔࣋ͭ
9. Viewͷ੹຿͸ʁ
10. Viewͷ੹຿͸ • Cheesecake LabsͷUsing VIPERʹΑΔͱɻɻ
 Its sole responsibility is to display what the Presenter tells it to, and handle the user interactions with the screen. 
 (https://cheesecakelabs.com/blog/ios-project-architecture-using-viper/ΑΓҾ༻) • Viewͷ໾ׂ͸Presenter͕఻͑ͨ௨Γʹදࣔ͢ΔͷͱɺUI ͷૢ࡞Λॲཧ͢Δ͜ͱɻ

11. มߋ
12. ॻ͖׵͑ޙ - Presenter import Foundation final class MenuPresenter { private var authenticated: Bool = false } // ུ extension MenuPresenter: MenuInteractorDelegate { func didFetchLoggedIn(_ loggedIn: Bool) { self.authenticated = loggedIn } func updateSettingList() { if authenticated { view.updateList() } } }
13. ॻ͖׵͑ޙ - View import UIKit final class menuViewController { private authenticated: Bool = false //ུ override func viewDidLoad() { presenter.getAuth(authenticated) } func updateList() { // ϦετΛߋ৽͢Δ //ུ
14. ͍͞͝ʹ
15. ͍͞͝ʹ • VIPER͸׳ΕΔ·Ͱॻ͘ͷ͕େม • Ͳ͜ʹԿ͕͋Δ͔໌֬ͳͷͰಡΈ΍͍͢ • ੋඇVIPER࢖ͬͯΈ·͠ΐ͏
16. ͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ