[VwG] Add verification flow example to DaysUntilBirthday Sample App.

Samples/Swift/DaysUntilBirthday/DaysUntilBirthdayForPod.xcodeproj/project.pbxproj

@@ -3,11 +3,13 @@
 	archiveVersion = 1;
 	classes = {
 	};
-	objectVersion = 51;
+	objectVersion = 54;
 	objects = {
 
 /* Begin PBXBuildFile section */
 		4C6A2BA2321434ACBD2AF201 /* Pods_DaysUntilBirthdayForPod__macOS_.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 926A15D393D684C68E09FB0F /* Pods_DaysUntilBirthdayForPod__macOS_.framework */; };
+		641495072C3C90E100C9A613 /* VerificationView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 641495062C3C90E100C9A613 /* VerificationView.swift */; };
+		641495082C3C90E100C9A613 /* VerificationView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 641495062C3C90E100C9A613 /* VerificationView.swift */; };
 		7345AD032703D9470020AFB1 /* DaysUntilBirthday.swift in Sources */ = {isa = PBXBuildFile; fileRef = 7345AD022703D9470020AFB1 /* DaysUntilBirthday.swift */; };
 		7345AD052703D9470020AFB1 /* ContentView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 7345AD042703D9470020AFB1 /* ContentView.swift */; };
 		7345AD072703D9480020AFB1 /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 7345AD062703D9480020AFB1 /* Assets.xcassets */; };
@@ -45,6 +47,7 @@
 		1A129363EBB5DF1F41FAAB14 /* Pods-DaysUntilBirthdayForPod(macOS).release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-DaysUntilBirthdayForPod(macOS).release.xcconfig"; path = "Target Support Files/Pods-DaysUntilBirthdayForPod(macOS)/Pods-DaysUntilBirthdayForPod(macOS).release.xcconfig"; sourceTree = "<group>"; };
 		29BEB027A694593FA0450863 /* Pods-DaysUntilBirthdayForPod(iOS).debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-DaysUntilBirthdayForPod(iOS).debug.xcconfig"; path = "Target Support Files/Pods-DaysUntilBirthdayForPod(iOS)/Pods-DaysUntilBirthdayForPod(iOS).debug.xcconfig"; sourceTree = "<group>"; };
 		5CF615341A61D92D89389D44 /* Pods-DaysUntilBirthdayForPod (macOS).release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-DaysUntilBirthdayForPod (macOS).release.xcconfig"; path = "Target Support Files/Pods-DaysUntilBirthdayForPod (macOS)/Pods-DaysUntilBirthdayForPod (macOS).release.xcconfig"; sourceTree = "<group>"; };
+		641495062C3C90E100C9A613 /* VerificationView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = VerificationView.swift; sourceTree = "<group>"; };
 		7345ACFF2703D9470020AFB1 /* DaysUntilBirthdayForPod (iOS).app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = "DaysUntilBirthdayForPod (iOS).app"; sourceTree = BUILT_PRODUCTS_DIR; };
 		7345AD022703D9470020AFB1 /* DaysUntilBirthday.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DaysUntilBirthday.swift; sourceTree = "<group>"; };
 		7345AD042703D9470020AFB1 /* ContentView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ContentView.swift; sourceTree = "<group>"; };
@@ -195,6 +198,7 @@
 			children = (
 				7345AD042703D9470020AFB1 /* ContentView.swift */,
 				739FCC45270E467600C92042 /* BirthdayView.swift */,
+				641495062C3C90E100C9A613 /* VerificationView.swift */,
 				7345AD112703D9C30020AFB1 /* SignInView.swift */,
 				7345AD142703D9C30020AFB1 /* UserProfileImageView.swift */,
 			);
@@ -413,6 +417,7 @@
 			buildActionMask = 2147483647;
 			files = (
 				739FCC48270E659A00C92042 /* Birthday.swift in Sources */,
+				641495072C3C90E100C9A613 /* VerificationView.swift in Sources */,
 				739FCC46270E467600C92042 /* BirthdayView.swift in Sources */,
 				7345AD1B2703D9C30020AFB1 /* SignInView.swift in Sources */,
 				7345AD212703D9C30020AFB1 /* GoogleSignInAuthenticator.swift in Sources */,
@@ -432,6 +437,7 @@
 			buildActionMask = 2147483647;
 			files = (
 				73DB41912805FBFD0028B8D3 /* SignInView.swift in Sources */,
+				641495082C3C90E100C9A613 /* VerificationView.swift in Sources */,
 				73DB418B2805FBC40028B8D3 /* BirthdayLoader.swift in Sources */,
 				73DB418D2805FBD00028B8D3 /* AuthenticationViewModel.swift in Sources */,
 				73DB418F2805FBF50028B8D3 /* ContentView.swift in Sources */,
@@ -577,14 +583,15 @@
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
 				CODE_SIGN_STYLE = Automatic;
 				DEVELOPMENT_ASSET_PATHS = "\"iOS/Preview Content\"";
+				DEVELOPMENT_TEAM = JA85M8JD4Z;
 				ENABLE_PREVIEWS = YES;
 				INFOPLIST_FILE = iOS/Info.plist;
 				IPHONEOS_DEPLOYMENT_TARGET = 14.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				PRODUCT_BUNDLE_IDENTIFIER = com.google.DaysUntilBirthday;
+				PRODUCT_BUNDLE_IDENTIFIER = "testing-com.google.DaysUntilBirthday";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
@@ -599,14 +606,15 @@
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
 				CODE_SIGN_STYLE = Automatic;
 				DEVELOPMENT_ASSET_PATHS = "\"iOS/Preview Content\"";
+				DEVELOPMENT_TEAM = JA85M8JD4Z;
 				ENABLE_PREVIEWS = YES;
 				INFOPLIST_FILE = iOS/Info.plist;
 				IPHONEOS_DEPLOYMENT_TARGET = 14.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				PRODUCT_BUNDLE_IDENTIFIER = com.google.DaysUntilBirthday;
+				PRODUCT_BUNDLE_IDENTIFIER = "testing-com.google.DaysUntilBirthday";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";

Samples/Swift/DaysUntilBirthday/Shared/Services/GoogleSignInAuthenticator.swift

@@ -27,6 +27,32 @@ final class GoogleSignInAuthenticator: ObservableObject {
     self.authViewModel = authViewModel
   }
 
+#if os(iOS)
+  /// Verifies the user's age based upon the selected account.
+  /// - note: Successful calls to this will set the `authViewModel`'s `verificationState` property.
+  func verifyAccountDetails() {
+    let accountDetails: [GIDVerifiableAccountDetail] = [
+      GIDVerifiableAccountDetail(accountDetailType:.ageOver18)
+    ]
+
+    guard let rootViewController = UIApplication.shared.windows.first?.rootViewController else {
+      print("There is no root view controller!")
+      return
+    }
+
+    let verifyAccountDetail = GIDVerifyAccountDetail()
+    verifyAccountDetail.verifyAccountDetails(accountDetails, presenting: rootViewController) {
+      verifyResult, error in
+            guard let verifyResult = verifyResult else {
+              self.authViewModel.verificationState = .unverified
+              print("Error! \(String(describing: error))")
+              return
+            }
+      self.authViewModel.verificationState = .verified(verifyResult)
+    }
+  }
+#endif
+
   /// Signs in the user based upon the selected account.'
   /// - note: Successful calls to this will set the `authViewModel`'s `state` property.
   func signIn() {

Samples/Swift/DaysUntilBirthday/Shared/ViewModels/AuthenticationViewModel.swift

@@ -22,6 +22,13 @@ final class AuthenticationViewModel: ObservableObject {
   /// The user's log in status.
   /// - note: This will publish updates when its value changes.
   @Published var state: State
+
+#if os(iOS)
+  /// The user's account verification status.
+  /// - note: This will publish updates when its value changes.
+  @Published var verificationState: VerificationState
+#endif
+
   private var authenticator: GoogleSignInAuthenticator {
     return GoogleSignInAuthenticator(authViewModel: self)
   }
@@ -43,6 +50,9 @@ final class AuthenticationViewModel: ObservableObject {
     } else {
       self.state = .signedOut
     }
+#if os(iOS)
+    self.verificationState = .unverified
+#endif
   }
 
   /// Signs the user in.
@@ -60,6 +70,18 @@ final class AuthenticationViewModel: ObservableObject {
     authenticator.disconnect()
   }
 
+#if os(iOS)
+  /// Verifies the user.
+  func verifyAccountDetails() {
+    switch self.verificationState {
+    case .unverified:
+      authenticator.verifyAccountDetails()
+    case .verified:
+      return
+    }
+  }
+#endif
+
   var hasBirthdayReadScope: Bool {
     return authorizedScopes.contains(BirthdayLoader.birthdayReadScope)
   }
@@ -80,4 +102,14 @@ extension AuthenticationViewModel {
     /// The user is logged out.
     case signedOut
   }
+
+#if os(iOS)
+  /// An enumeration representing verified status.
+  enum VerificationState {
+    /// The user's account is verified and is the associated value of this case.
+    case verified(GIDVerifiedAccountDetailResult)
+    /// The user's account is not verified.
+    case unverified
+  }
+#endif
 }

Samples/Swift/DaysUntilBirthday/Shared/Views/VerificationView.swift

@@ -0,0 +1,62 @@
+/*
+ * Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import SwiftUI
+import GoogleSignIn
+
+struct VerificationView: View {
+  @ObservedObject var authViewModel: AuthenticationViewModel
+
+  var body: some View {
+    switch authViewModel.verificationState {
+    case .verified(let result):
+      VStack(alignment:.leading) {
+        Text("List of result object properties:")
+          .font(.headline)
+
+        HStack(alignment: .top) {
+          Text("Access Token:")
+          Text(result.accessTokenString ?? "Not available")
+        }
+        HStack(alignment: .top) {
+          Text("Refresh Token:")
+          Text(result.refreshTokenString ?? "Not available")
+        }
+        HStack {
+          Text("Expiration:")
+          if let expirationDate = result.expirationDate {
+            Text(formatDateWithDateFormatter(expirationDate))
+          } else {
+            Text("Not available")
+          }
+        }
+        Spacer()
+      }
+      .navigationTitle("Verified Account!")
+    case .unverified:
+      ProgressView()
+        .navigationTitle(NSLocalizedString("Unverified account",
+                                           comment: "Unverified account label"))
+    }
+  }
+
+  func formatDateWithDateFormatter(_ date: Date) -> String {
+      let dateFormatter = DateFormatter()
+      dateFormatter.dateStyle = .medium
+      dateFormatter.timeStyle = .short
+      return dateFormatter.string(from: date)
+  }
+}

Samples/Swift/DaysUntilBirthday/iOS/UserProfileView.swift

@@ -50,6 +50,13 @@ struct UserProfileView: View {
               return
             }
           })
+#if os(iOS)
+          NavigationLink(NSLocalizedString("Verify My Age", comment: "Verify Age"),
+                         destination: VerificationView(authViewModel: authViewModel)
+          .onAppear {
+            authViewModel.verifyAccountDetails()
+          })
+#endif
           Spacer()
         }
         .toolbar {