Prepare to release FirebaseAuth 4.3.0 (#345)

* Update Auth version to 4.3.0

* Revert "Removes user meta from public API (#308)"

This reverts commit 1602391bf8a9b6d3247716e3bf7b9f27dec8d2b6.

* Revert "Removes metadata from swift sample (#318)"

This reverts commit 804ff523a20072fb958e9137c76b9c0e14dda870.

8 files changed, 17 insertions, 7 deletions

diff --git a/Example/Auth/Sample/UserInfoViewController.m b/Example/Auth/Sample/UserInfoViewController.m
index 60a3e4c..6866d29 100644
--- a/Example/Auth/Sample/UserInfoViewController.m
+++ b/Example/Auth/Sample/UserInfoViewController.m
@@ -16,7 +16,7 @@
 
 #import "UserInfoViewController.h"
 
-#import "FIRUser_Internal.h"
+#import "FIRUser.h"
 #import "FIRUserInfo.h"
 #import "FIRUserMetadata.h"
 #import "StaticContentTableViewManager.h"
diff --git a/Example/Auth/SwiftSample/Stubs.swift b/Example/Auth/SwiftSample/Stubs.swift
index 4ba555d..4f4ccc0 100644
--- a/Example/Auth/SwiftSample/Stubs.swift
+++ b/Example/Auth/SwiftSample/Stubs.swift
@@ -48,5 +48,8 @@ func metadataStubs() {
   let credential = OAuthProvider.credential(withProviderID: "fake", accessToken: "none")
   Auth.auth().signInAndRetrieveData(with: credential) { result, error in
     let _: Bool? = result!.additionalUserInfo!.isNewUser
+    let metadata: UserMetadata = result!.user.metadata
+    let _: Date? = metadata.lastSignInDate
+    let _: Date? = metadata.creationDate
   }
 }
diff --git a/Firebase/Auth/CHANGELOG.md b/Firebase/Auth/CHANGELOG.md
index 3a659e4..483852d 100644
--- a/Firebase/Auth/CHANGELOG.md
+++ b/Firebase/Auth/CHANGELOG.md
@@ -1,3 +1,6 @@
+# v4.3.0
+- Provides account creation and last sign-in dates as metadata to the user object.
+
 # v4.2.1
 - Fixes a threading issue in phone number auth that completion block was not
   executed on the main thread in some error cases.
diff --git a/Firebase/Auth/FirebaseAuth.podspec b/Firebase/Auth/FirebaseAuth.podspec
index f8e708f..148ff90 100644
--- a/Firebase/Auth/FirebaseAuth.podspec
+++ b/Firebase/Auth/FirebaseAuth.podspec
@@ -4,7 +4,7 @@
 
 Pod::Spec.new do |s|
   s.name             = 'FirebaseAuth'
-  s.version          = '4.2.1'
+  s.version          = '4.3.0'
   s.summary          = 'Firebase Open Source Libraries for iOS.'
 
   s.description      = <<-DESC
diff --git a/Firebase/Auth/Source/FIRUser_Internal.h b/Firebase/Auth/Source/FIRUser_Internal.h
index 9e26301..9a069bb 100644
--- a/Firebase/Auth/Source/FIRUser_Internal.h
+++ b/Firebase/Auth/Source/FIRUser_Internal.h
@@ -47,11 +47,6 @@ typedef void(^FIRRetrieveUserCallback)(FIRUser *_Nullable user, NSError *_Nullab
  */
 @property(nonatomic, copy, readonly) NSDate *accessTokenExpirationDate;
 
-/** @property metadata
-    @brief Metadata associated with the Firebase user in question.
- */
-@property(nonatomic, readonly, nonnull) FIRUserMetadata *metadata;
-
 /** @fn retrieveUserWithAuth:accessToken:accessTokenExpirationDate:refreshToken:callback:
     @brief Constructs a user with Secure Token Service tokens, and obtains user details from the
         getAccountInfo endpoint.
diff --git a/Firebase/Auth/Source/Public/FIRUser.h b/Firebase/Auth/Source/Public/FIRUser.h
index ecbbd8c..f0a5619 100644
--- a/Firebase/Auth/Source/Public/FIRUser.h
+++ b/Firebase/Auth/Source/Public/FIRUser.h
@@ -85,6 +85,11 @@ FIR_SWIFT_NAME(User)
  */
 @property(nonatomic, readonly, nonnull) NSArray<id<FIRUserInfo>> *providerData;
 
+/** @property metadata
+    @brief Metadata associated with the Firebase user in question.
+ */
+@property(nonatomic, readonly, nonnull) FIRUserMetadata *metadata;
+
 /** @fn init
     @brief This class should not be instantiated.
     @remarks To retrieve the current user, use @c FIRAuth.currentUser. To sign a user
diff --git a/Firebase/Auth/Source/FIRUserMetadata.h b/Firebase/Auth/Source/Public/FIRUserMetadata.h
index a93b148..1b72ee1 100644
--- a/Firebase/Auth/Source/FIRUserMetadata.h
+++ b/Firebase/Auth/Source/Public/FIRUserMetadata.h
@@ -16,11 +16,14 @@
 
 #import <Foundation/Foundation.h>
 
+#import "FIRAuthSwiftNameSupport.h"
+
 NS_ASSUME_NONNULL_BEGIN
 
 /** @class FIRUserMetdata
     @brief A data class representing the metadata corresponding to a Firebase user.
  */
+FIR_SWIFT_NAME(UserMetadata)
 @interface FIRUserMetadata : NSObject
 
 /** @property lastSignInDate
diff --git a/Firebase/Auth/Source/Public/FirebaseAuth.h b/Firebase/Auth/Source/Public/FirebaseAuth.h
index 15699ff..0cc5905 100644
--- a/Firebase/Auth/Source/Public/FirebaseAuth.h
+++ b/Firebase/Auth/Source/Public/FirebaseAuth.h
@@ -32,6 +32,7 @@
 #import "FIRTwitterAuthProvider.h"
 #import "FIRUser.h"
 #import "FIRUserInfo.h"
+#import "FIRUserMetadata.h"
 
 #if TARGET_OS_IOS
 #import "FIRAuthUIDelegate.h"