Show an alert when entering an account provider that requires Element Pro. (#4326)

ElementX/Sources/Screens/Authentication/ServerConfirmationScreen/ServerConfirmationScreenCoordinator.swift

@@ -40,6 +40,7 @@ final class ServerConfirmationScreenCoordinator: CoordinatorProtocol {
         viewModel = ServerConfirmationScreenViewModel(authenticationService: parameters.authenticationService,
                                                       mode: mode,
                                                       authenticationFlow: parameters.authenticationFlow,
+                                                      appSettings: parameters.appSettings,
                                                       userIndicatorController: parameters.userIndicatorController)
     }
     

ElementX/Sources/Screens/Authentication/ServerConfirmationScreen/ServerConfirmationScreenModels.swift

@@ -94,6 +94,8 @@ enum ServerConfirmationScreenAlert: Hashable {
     case login
     /// An alert that informs the user that registration isn't supported.
     case registration
+    /// An alert that informs the user that Element Pro should be used for a particular server.
+    case elementProRequired(serverName: String)
     /// An unknown error has occurred.
     case unknownError
 }

ElementX/Sources/Screens/Authentication/ServerConfirmationScreen/ServerConfirmationScreenViewModel.swift

@@ -13,6 +13,7 @@ typealias ServerConfirmationScreenViewModelType = StateStoreViewModelV2<ServerCo
 class ServerConfirmationScreenViewModel: ServerConfirmationScreenViewModelType, ServerConfirmationScreenViewModelProtocol {
     let authenticationService: AuthenticationServiceProtocol
     let authenticationFlow: AuthenticationFlow
+    let appSettings: AppSettings
     let userIndicatorController: UserIndicatorControllerProtocol
     
     private var actionsSubject: PassthroughSubject<ServerConfirmationScreenViewModelAction, Never> = .init()
@@ -24,9 +25,11 @@ class ServerConfirmationScreenViewModel: ServerConfirmationScreenViewModelType,
     init(authenticationService: AuthenticationServiceProtocol,
          mode: ServerConfirmationScreenMode,
          authenticationFlow: AuthenticationFlow,
+         appSettings: AppSettings,
          userIndicatorController: UserIndicatorControllerProtocol) {
         self.authenticationService = authenticationService
         self.authenticationFlow = authenticationFlow
+        self.appSettings = appSettings
         self.userIndicatorController = userIndicatorController
         
         let pickerSelection: String? = switch mode {
@@ -94,6 +97,8 @@ class ServerConfirmationScreenViewModel: ServerConfirmationScreenViewModelType,
                 displayError(.login)
             case .registrationNotSupported:
                 displayError(.registration)
+            case .elementProRequired(let serverName):
+                displayError(.elementProRequired(serverName: serverName))
             default:
                 displayError(.unknownError)
             }
@@ -184,6 +189,14 @@ class ServerConfirmationScreenViewModel: ServerConfirmationScreenViewModelType,
             state.bindings.alertInfo = AlertInfo(id: .registration,
                                                  title: L10n.commonServerNotSupported,
                                                  message: L10n.errorAccountCreationNotPossible)
+        case .elementProRequired(let serverName):
+            state.bindings.alertInfo = AlertInfo(id: .elementProRequired(serverName: serverName),
+                                                 title: L10n.screenChangeServerErrorElementProRequiredTitle,
+                                                 message: L10n.screenChangeServerErrorElementProRequiredMessage(serverName),
+                                                 primaryButton: .init(title: L10n.screenChangeServerErrorElementProRequiredActionIos) {
+                                                     UIApplication.shared.open(self.appSettings.elementProAppStoreURL)
+                                                 },
+                                                 secondaryButton: .init(title: L10n.actionCancel, role: .cancel, action: nil))
         case .unknownError:
             state.bindings.alertInfo = AlertInfo(id: .unknownError)
         }

ElementX/Sources/Screens/Authentication/ServerConfirmationScreen/View/ServerConfirmationScreen.swift

@@ -162,6 +162,7 @@ struct ServerConfirmationScreen_Previews: PreviewProvider, TestablePreview {
         ServerConfirmationScreenViewModel(authenticationService: AuthenticationService.mock,
                                           mode: mode,
                                           authenticationFlow: flow,
+                                          appSettings: ServiceLocator.shared.settings,
                                           userIndicatorController: UserIndicatorControllerMock())
     }
 }