Fixing isNewUser (#1832)

Author: laurentiu-git

auth/src/main/java/com/firebase/ui/auth/data/remote/GenericIdpSignInHandler.java

@@ -86,8 +86,9 @@ protected void handleNormalSignInFlow(final FirebaseAuth auth,
                             @Override
                             public void onSuccess(@NonNull AuthResult authResult) {
                                 handleSuccess(provider.getProviderId(),
-                                        authResult.getUser(), (OAuthCredential)
-                                                authResult.getCredential());
+                                        authResult.getUser(),
+                                        (OAuthCredential) authResult.getCredential(),
+                                        authResult.getAdditionalUserInfo().isNewUser());
                             }
                         })
                 .addOnFailureListener(
@@ -135,8 +136,9 @@ private void handleAnonymousUpgradeFlow(final FirebaseAuth auth,
                             @Override
                             public void onSuccess(@NonNull AuthResult authResult) {
                                 handleSuccess(provider.getProviderId(),
-                                        authResult.getUser(), (OAuthCredential)
-                                                authResult.getCredential());
+                                        authResult.getUser(),
+                                        (OAuthCredential) authResult.getCredential(),
+                                        authResult.getAdditionalUserInfo().isNewUser());
                             }
                         })
                 .addOnFailureListener(
@@ -221,6 +223,7 @@ protected OAuthProvider buildOAuthProvider(String providerId) {
     protected void handleSuccess(@NonNull String providerId,
                                  @NonNull FirebaseUser user,
                                  @NonNull OAuthCredential credential,
+                                 boolean isNewUser,
                                  boolean setPendingCredential) {
         IdpResponse.Builder response = new IdpResponse.Builder(
                 new User.Builder(
@@ -234,14 +237,16 @@ protected void handleSuccess(@NonNull String providerId,
         if (setPendingCredential) {
             response.setPendingCredential(credential);
         }
+        response.setNewUser(isNewUser);
 
         setResult(Resource.<IdpResponse>forSuccess(response.build()));
     }
 
     protected void handleSuccess(@NonNull String providerId,
                                  @NonNull FirebaseUser user,
-                                 @NonNull OAuthCredential credential) {
-        handleSuccess(providerId, user, credential, /* setPendingCredential= */false);
+                                 @NonNull OAuthCredential credential,
+                                 boolean isNewUser) {
+        handleSuccess(providerId, user, credential, isNewUser, /* setPendingCredential= */true);
     }