Integrate Latest @ 162401949

- Add LinkWithCredential to Unity Auth sample.

CL: 162401949

Author: Stewart Miles

auth/testapp/Assets/TestApp/UIHandler.cs

@@ -164,6 +164,20 @@ void DisplayUserInfo(Firebase.Auth.IUserInfo userInfo, int indentLevel) {
     }
   }
 
+  // Display a more detailed view of a FirebaseUser.
+  void DisplayDetailedUserInfo(Firebase.Auth.FirebaseUser user, int indentLevel) {
+    DisplayUserInfo(user, indentLevel);
+    DebugLog("  Anonymous: " + user.IsAnonymous);
+    DebugLog("  Email Verified: " + user.IsEmailVerified);
+    var providerDataList = new List<Firebase.Auth.IUserInfo>(user.ProviderData);
+    if (providerDataList.Count > 0) {
+      DebugLog("  Provider Data:");
+      foreach (var providerData in user.ProviderData) {
+        DisplayUserInfo(providerData, indentLevel + 1);
+      }
+    }
+  }
+
   // Track state changes of the auth object.
   void AuthStateChanged(object sender, System.EventArgs eventArgs) {
     Firebase.Auth.FirebaseAuth senderAuth = sender as Firebase.Auth.FirebaseAuth;
@@ -179,16 +193,7 @@ void AuthStateChanged(object sender, System.EventArgs eventArgs) {
       if (signedIn) {
         DebugLog("Signed in " + user.UserId);
         displayName = user.DisplayName ?? "";
-        DisplayUserInfo(user, 1);
-        DebugLog("  Anonymous: " + user.IsAnonymous);
-        DebugLog("  Email Verified: " + user.IsEmailVerified);
-        var providerDataList = new List<Firebase.Auth.IUserInfo>(user.ProviderData);
-        if (providerDataList.Count > 0) {
-          DebugLog("  Provider Data:");
-          foreach (var providerData in user.ProviderData) {
-            DisplayUserInfo(providerData, 2);
-          }
-        }
+        DisplayDetailedUserInfo(user, 1);
       }
     }
   }
@@ -260,7 +265,7 @@ public void UpdateUserProfile(string newDisplayName = null) {
   void HandleUpdateUserProfile(Task authTask) {
     EnableUI();
     if (LogTaskCompletion(authTask, "User profile")) {
-      DisplayUserInfo(auth.CurrentUser, 1);
+      DisplayDetailedUserInfo(auth.CurrentUser, 1);
     }
   }
 
@@ -293,6 +298,22 @@ void HandleSigninResult(Task<Firebase.Auth.FirebaseUser> authTask) {
     LogTaskCompletion(authTask, "Sign-in");
   }
 
+  void LinkWithCredential() {
+    if (auth.CurrentUser == null) {
+      DebugLog("Not signed in, unable to link credential to user.");
+      return;
+    }
+    DebugLog("Attempting to link credential to user...");
+    Firebase.Auth.Credential cred = Firebase.Auth.EmailAuthProvider.GetCredential(email, password);
+    auth.CurrentUser.LinkWithCredentialAsync(cred).ContinueWith(HandleLinkCredential);
+  }
+
+  void HandleLinkCredential(Task authTask) {
+    if (LogTaskCompletion(authTask, "Link Credential")) {
+      DisplayDetailedUserInfo(auth.CurrentUser, 1);
+    }
+  }
+
   public void ReloadUser() {
     if (auth.CurrentUser == null) {
       DebugLog("Not signed in, unable to reload user.");
@@ -304,7 +325,7 @@ public void ReloadUser() {
 
   void HandleReloadUser(Task authTask) {
     if (LogTaskCompletion(authTask, "Reload")) {
-      DisplayUserInfo(auth.CurrentUser, 1);
+      DisplayDetailedUserInfo(auth.CurrentUser, 1);
     }
   }
 
@@ -325,6 +346,15 @@ void HandleGetUserToken(Task<string> authTask) {
     }
   }
 
+  void GetUserInfo() {
+    if (auth.CurrentUser == null) {
+      DebugLog("Not signed in, unable to get info.");
+    } else {
+      DebugLog("Current user info:");
+      DisplayDetailedUserInfo(auth.CurrentUser, 1);
+    }
+  }
+
   public void SignOut() {
     DebugLog("Signing out.");
     auth.SignOut();
@@ -347,7 +377,7 @@ void HandleDeleteResult(Task authTask) {
   }
 
   // Show the providers for the current email address.
-  public void DisplayProviders() {
+  public void DisplayProvidersForEmail() {
     auth.FetchProvidersForEmailAsync(email).ContinueWith((authTask) => {
         if (LogTaskCompletion(authTask, "Fetch Providers")) {
           DebugLog(String.Format("Email Providers for '{0}':", email));
@@ -469,20 +499,26 @@ void GUIDisplayControls(){
       if (GUILayout.Button("Sign In With Credentials")) {
         SigninWithCredential();
       }
+      if (GUILayout.Button("Link With Credential")) {
+        LinkWithCredential();
+      }
       if (GUILayout.Button("Reload User")) {
         ReloadUser();
       }
       if (GUILayout.Button("Get User Token")) {
         GetUserToken();
       }
+      if (GUILayout.Button("Get User Info")) {
+        GetUserInfo();
+      }
       if (GUILayout.Button("Sign Out")) {
         SignOut();
       }
       if (GUILayout.Button("Delete User")) {
         DeleteUser();
       }
-      if (GUILayout.Button("Show Providers")) {
-        DisplayProviders();
+      if (GUILayout.Button("Show Providers For Email")) {
+        DisplayProvidersForEmail();
       }
       if (GUILayout.Button("Password Reset Email")) {
         SendPasswordResetEmail();