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@@ -19,4 +19,6 @@ type_name: | |
| identifier_name: | ||
| excluded: | ||
| - id | ||
| - by | ||
| - by | ||
| allowed_symbols: | ||
| - _body | ||
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| @@ -0,0 +1,161 @@ | ||
| // | ||
| // LoginView.swift | ||
| // Hackers | ||
| // | ||
| // Created by Weiran Zhang on 04/04/2022. | ||
| // Copyright © 2022 Glass Umbrella. All rights reserved. | ||
| // | ||
|
|
||
| import SwiftUI | ||
| import Swinject | ||
| import SwinjectStoryboard | ||
| import PromiseKit | ||
|
|
||
| struct LoginView: View { | ||
| @State private var username: String = "" | ||
| @State private var password: String = "" | ||
| @State private var isAuthenticating = false | ||
| @State private var showAlert = false | ||
|
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| @Inject private var sessionService: SessionService | ||
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| @Environment(\.presentationMode) var presentationMode | ||
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| var body: some View { | ||
| VStack { | ||
| Text("Login to Hacker News") | ||
| .font(.largeTitle) | ||
| .padding(.bottom, 30) | ||
|
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| TextField("Username", text: $username) | ||
| .autocapitalization(.none) | ||
| .disableAutocorrection(true) | ||
| .textFieldStyle(RoundedTextField()) | ||
| .textContentType(.username) | ||
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| SecureField("Password", text: $password) | ||
| .textFieldStyle(RoundedTextField()) | ||
| .textContentType(.password) | ||
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| Text("Hackers never stores your password") | ||
| .foregroundColor(Color.secondary) | ||
| .font(.footnote) | ||
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| Button("Login") { | ||
| isAuthenticating = true | ||
| sessionService.authenticate(username: username, password: password) | ||
| .done { _ in | ||
| presentationMode.wrappedValue.dismiss() | ||
| }.ensure { | ||
| NotificationCenter.default.post(name: Notification.Name.refreshRequired, object: nil) | ||
| isAuthenticating = false | ||
| }.catch { _ in | ||
| showAlert = true | ||
| password = "" | ||
| } | ||
| }.buttonStyle(FilledButton()) | ||
| .padding(.top, 30) | ||
| .disabled(isAuthenticating) | ||
| .alert(isPresented: $showAlert) { | ||
| Alert( | ||
| title: Text("Login Failed"), | ||
| message: Text("Error logging into Hacker News, check your username and password.") | ||
| ) | ||
| } | ||
|
|
||
| LabelledDivider(label: "or") | ||
|
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| Link(destination: URL(string: "https://news.ycombinator.com/login")!) { | ||
| HStack { | ||
| Text("Register on Hacker News") | ||
| Image(systemName: "rectangle.portrait.and.arrow.right") | ||
| } | ||
| .padding() | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
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||
| struct RoundedTextField: TextFieldStyle { | ||
| func _body(configuration: TextField<Self._Label>) -> some View { | ||
| configuration | ||
| .padding(.all, 10) | ||
| .overlay( | ||
| RoundedRectangle(cornerRadius: 5) | ||
| .stroke(Color.secondary, lineWidth: 0.5) | ||
| ) | ||
| .padding(.horizontal, 20) | ||
| } | ||
| } | ||
|
|
||
| struct FilledButton: ButtonStyle { | ||
| func makeBody(configuration: Configuration) -> some View { | ||
| configuration | ||
| .label | ||
| .padding() | ||
| .padding(.horizontal, 50) | ||
| .frame(maxWidth: .infinity) | ||
| .foregroundColor(Color.white) | ||
| .background(Color.accentColor) | ||
| .cornerRadius(5) | ||
| .padding(.horizontal, 20) | ||
| } | ||
| } | ||
|
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| struct LabelledDivider: View { | ||
|
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| let label: String | ||
| let horizontalPadding: CGFloat | ||
| let color: Color | ||
|
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| init(label: String, horizontalPadding: CGFloat = 20, color: Color = .gray) { | ||
| self.label = label | ||
| self.horizontalPadding = horizontalPadding | ||
| self.color = color | ||
| } | ||
|
|
||
| var body: some View { | ||
| HStack { | ||
| line | ||
| Text(label).foregroundColor(color) | ||
| line | ||
| } | ||
| } | ||
|
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| var line: some View { | ||
| VStack { Divider().background(color) }.padding(horizontalPadding) | ||
| } | ||
| } | ||
|
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| @propertyWrapper | ||
| struct Inject<Component> { | ||
| let wrappedValue: Component | ||
| init() { | ||
| self.wrappedValue = Resolver.shared.resolve(Component.self) | ||
| } | ||
| } | ||
|
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| class Resolver { | ||
| static let shared = Resolver() | ||
| private let container = buildContainer() | ||
|
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| func resolve<T>(_ type: T.Type) -> T { | ||
| container.resolve(T.self)! | ||
| } | ||
| } | ||
|
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| struct LoginView_Previews: PreviewProvider { | ||
| static var previews: some View { | ||
| LoginView() | ||
| } | ||
| } | ||
|
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| func buildContainer() -> Container { | ||
| let container = SwinjectStoryboard.defaultContainer | ||
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| container.register(SessionService.self) { _ in | ||
| return SessionService() | ||
| }.inObjectScope(.container) | ||
|
|
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| return container | ||
| } |
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