Show sign in errors inline on sign in view

Xcodes/AppleAPI/Sources/AppleAPI/Client.swift

@@ -36,6 +36,10 @@ public class Client {
                         case 401:
                             return Fail(error: AuthenticationError.invalidUsernameOrPassword(username: accountName))
                                 .eraseToAnyPublisher()
+                        case 403:
+                            let errorMessage = responseBody.serviceErrors?.first?.description.replacingOccurrences(of: "-20209: ", with: "") ?? ""
+                            return Fail(error: AuthenticationError.accountLocked(errorMessage))
+                                .eraseToAnyPublisher()
                         case 409:
                             return self.handleTwoStepOrFactor(data: data, response: response, serviceKey: serviceKey)
                         case 412 where Client.authTypes.contains(responseBody.authType ?? ""):
@@ -180,6 +184,7 @@ public enum AuthenticationError: Swift.Error, LocalizedError, Equatable {
     case appleIDAndPrivacyAcknowledgementRequired
     case accountUsesTwoStepAuthentication
     case accountUsesUnknownAuthenticationKind(String?)
+    case accountLocked(String)
     case badStatusCode(statusCode: Int, data: Data, response: HTTPURLResponse)
 
     public var errorDescription: String? {
@@ -203,6 +208,8 @@ public enum AuthenticationError: Swift.Error, LocalizedError, Equatable {
             return "Received a response from Apple that indicates this account has two-step authentication enabled. xcodes currently only supports the newer two-factor authentication, though. Please consider upgrading to two-factor authentication, or explain why this isn't an option for you by making a new feature request in the Help menu."
         case .accountUsesUnknownAuthenticationKind:
             return "Received a response from Apple that indicates this account has two-step or two-factor authentication enabled, but xcodes is unsure how to handle this response. If you continue to have problems, please submit a bug report in the Help menu."
+        case let .accountLocked(message):
+            return message
         case let .badStatusCode(statusCode, _, _):
             return "Received an unexpected status code: \(statusCode). If you continue to have problems, please submit a bug report in the Help menu."
         }

Xcodes/Backend/AppState.swift

@@ -127,6 +127,7 @@ class AppState: ObservableObject {
     }
 
     func signIn(username: String, password: String) {
+        authError = nil
         signIn(username: username, password: password)
             .sink(
                 receiveCompletion: { _ in }, 

Xcodes/Frontend/MainWindow.swift

@@ -133,6 +133,7 @@ struct MainWindow: View {
             .padding()
         } else {
             SignInCredentialsView()
+                .frame(width: 400)
         }
     }
 }

Xcodes/Frontend/SignIn/SignInCredentialsView.swift

@@ -14,36 +14,49 @@ struct SignInCredentialsView: View {
                 Text("Apple ID:")
                     .frame(minWidth: 100, alignment: .trailing)
                 TextField("[email protected]", text: $username)
-                    .frame(width: 250)
             }
             HStack {
                 Text("Password:")
                     .frame(minWidth: 100, alignment: .trailing)
                 SecureField("Required", text: $password)
-                    .frame(width: 250)
+            }
+            if appState.authError != nil {
+                HStack {
+                    Text("")
+                        .frame(minWidth: 100)
+                    Text(appState.authError?.legibleLocalizedDescription ?? "")
+                        .fixedSize(horizontal: false, vertical: true)
+                        .foregroundColor(.red)
+                }
             }
 
             HStack {
                 Spacer()
-                Button("Cancel") { appState.presentedSheet = nil }
-                    .keyboardShortcut(.cancelAction)
-                ProgressButton(isInProgress: appState.isProcessingAuthRequest,
-                               action: { appState.signIn(username: username, password: password) }) {
-                    Text("Next")
+                Button("Cancel") {
+                    appState.authError = nil
+                    appState.presentedSheet = nil
                 }
+                    .keyboardShortcut(.cancelAction)
+                ProgressButton(
+                    isInProgress: appState.isProcessingAuthRequest,
+                    action: { appState.signIn(username: username, password: password) },
+                    label: {
+                        Text("Next")
+                    }
+                )
                 .disabled(username.isEmpty || password.isEmpty)
                 .keyboardShortcut(.defaultAction)
             }
             .frame(height: 25)
         }
         .padding()
-        .emittingError($appState.authError, recoveryHandler: { _ in })
     }
 }
 
 struct SignInCredentialsView_Previews: PreviewProvider {
     static var previews: some View {
         SignInCredentialsView()
             .environmentObject(AppState())
+            .previewLayout(.sizeThatFits)
     }
 }