From 7cd1716c0adef0f390b34409e737ac14da8120a8 Mon Sep 17 00:00:00 2001
From: Albocal <albertobozal@gmail.com>
Date: Sat, 4 Sep 2021 16:42:04 +0200
Subject: [PATCH] fix(auth, android): linkWithCredential will not attempt to
 upgrade from anon user (matches iOS) (#5694)

Description
When doing "linkWithCredential" in Android and the users exists relogin with this new user instead of launch exception
Error: [auth/credential-already-in-use] This credential is already associated with a different user account.

Related  PR #4487 and PR #4552
---
 .../auth/ReactNativeFirebaseAuthModule.java   | 25 +------------------
 1 file changed, 1 insertion(+), 24 deletions(-)

diff --git a/packages/auth/android/src/main/java/io/invertase/firebase/auth/ReactNativeFirebaseAuthModule.java b/packages/auth/android/src/main/java/io/invertase/firebase/auth/ReactNativeFirebaseAuthModule.java
index 6e670e37af..d6dcbc2951 100644
--- a/packages/auth/android/src/main/java/io/invertase/firebase/auth/ReactNativeFirebaseAuthModule.java
+++ b/packages/auth/android/src/main/java/io/invertase/firebase/auth/ReactNativeFirebaseAuthModule.java
@@ -1214,30 +1214,7 @@ private void linkWithCredential(
                   } else {
                     Exception exception = task.getException();
                     Log.e(TAG, "link:onComplete:failure", exception);
-                    if (exception instanceof FirebaseAuthUserCollisionException) {
-                      FirebaseAuthUserCollisionException authUserCollisionException =
-                          (FirebaseAuthUserCollisionException) exception;
-                      AuthCredential updatedCredential =
-                          authUserCollisionException.getUpdatedCredential();
-                      try {
-                        firebaseAuth
-                            .signInWithCredential(updatedCredential)
-                            .addOnCompleteListener(
-                                getExecutor(),
-                                result -> {
-                                  if (result.isSuccessful()) {
-                                    promiseWithAuthResult(result.getResult(), promise);
-                                  } else {
-                                    promiseRejectAuthException(promise, exception);
-                                  }
-                                });
-                      } catch (Exception e) {
-                        // we the attempt to log in after the collision failed, reject back to JS
-                        promiseRejectAuthException(promise, exception);
-                      }
-                    } else {
-                      promiseRejectAuthException(promise, exception);
-                    }
+                    promiseRejectAuthException(promise, exception);
                   }
                 });
       } else {