[auth] Add metadata support

android/build.gradle

@@ -1,5 +1,5 @@
 buildscript {
-  ext.firebaseVersion = '11.4.2'
+  ext.firebaseVersion = '11.8.0'
   repositories {
     jcenter()
     maven {

android/src/main/java/io/invertase/firebase/auth/RNFirebaseAuth.java

@@ -36,6 +36,7 @@ import com.google.firebase.auth.AuthCredential;
 import com.google.firebase.auth.AuthResult;
 import com.google.firebase.auth.FirebaseAuthInvalidCredentialsException;
 import com.google.firebase.auth.FirebaseAuthProvider;
+import com.google.firebase.auth.FirebaseUserMetadata;
 import com.google.firebase.auth.GithubAuthProvider;
 import com.google.firebase.auth.PhoneAuthCredential;
 import com.google.firebase.auth.PhoneAuthProvider;
@@ -1417,6 +1418,14 @@ class RNFirebaseAuth extends ReactContextBaseJavaModule {
 
     userMap.putArray("providerData", convertProviderData(user.getProviderData(), user));
 
+    WritableMap metadataMap = Arguments.createMap();
+    FirebaseUserMetadata metadata = user.getMetadata();
+    if (metadata != null) {
+      metadataMap.putDouble("creationTime", metadata.getCreationTimestamp());
+      metadataMap.putDouble("lastSignInTime", metadata.getLastSignInTimestamp());
+    }
+    userMap.putMap("metadata", metadataMap);
+
     return userMap;
   }
 

ios/RNFirebase/auth/RNFirebaseAuth.m

@@ -1181,14 +1181,23 @@ RCT_EXPORT_METHOD(useDeviceLanguage:
  @param user FIRUser
  @return NSDictionary
  */
-- (NSMutableDictionary *)firebaseUserToDict:(FIRUser *)user {
-    NSMutableDictionary *userDict = [@{@"uid": user.uid, @"email": user.email ? user.email : [NSNull null], @"emailVerified": @(user.emailVerified), @"isAnonymous": @(user.anonymous), @"displayName": user.displayName ? user.displayName : [NSNull null], @"refreshToken": user.refreshToken, @"providerId": [user.providerID lowercaseString], @"phoneNumber": user.phoneNumber ? user.phoneNumber : [NSNull null], @"providerData": [self convertProviderData:user.providerData]} mutableCopy];
-
-    if ([user valueForKey:@"photoURL"] != nil) {
-        [userDict setValue:[user.photoURL absoluteString] forKey:@"photoURL"];
-    }
-
-    return userDict;
+- (NSDictionary *)firebaseUserToDict:(FIRUser *)user {
+    return @{
+             @"displayName": user.displayName ? user.displayName : [NSNull null],
+             @"email": user.email ? user.email : [NSNull null],
+             @"emailVerified": @(user.emailVerified),
+             @"isAnonymous": @(user.anonymous),
+             @"metadata": @{
+                     @"creationTime": user.metadata.creationDate ? @(round([user.metadata.creationDate timeIntervalSince1970] * 1000.0)): [NSNull null],
+                     @"lastSignInTime": user.metadata.lastSignInDate ? @(round([user.metadata.lastSignInDate timeIntervalSince1970] * 1000.0)) : [NSNull null],
+             },
+             @"phoneNumber": user.phoneNumber ? user.phoneNumber : [NSNull null],
+             @"photoURL": user.photoURL ? [user.photoURL absoluteString] : [NSNull null],
+             @"providerData": [self convertProviderData:user.providerData],
+             @"providerId": [user.providerID lowercaseString],
+             @"refreshToken": user.refreshToken,
+             @"uid": user.uid
+            };
 }
 
 - (FIRActionCodeSettings *)buildActionCodeSettings:(NSDictionary *)actionCodeSettings {

lib/modules/auth/User.js

@@ -6,13 +6,14 @@ import INTERNALS from '../../utils/internals';
 import { getNativeModule } from '../../utils/native';
 
 import type Auth from './';
-import type { ActionCodeSettings, AuthCredential } from '../../types';
+import type { ActionCodeSettings, AuthCredential, UserMetadata } from '../../types';
 
 type NativeUser = {
   displayName?: string,
   email?: string,
   emailVerified?: boolean,
   isAnonymous?: boolean,
+  metadata: UserMetadata,
   phoneNumber?: string,
   photoURL?: string,
   providerData: UserInfo[],
@@ -68,6 +69,10 @@ export default class User {
     return this._user.isAnonymous || false;
   }
 
+  get metadata(): UserMetadata {
+    return this._user.metadata;
+  }
+
   get phoneNumber(): ?string {
     return this._user.phoneNumber || null;
   }

lib/types/index.js

@@ -93,14 +93,14 @@ export type ConfigModule = {
   nativeModuleExists: boolean,
 } & ConfigStatics;
 
+/* Auth types */
+
 export type AuthCredential = {
   providerId: string,
   token: string,
   secret: string
 }
 
-/* Auth types */
-
 export type AuthModule = {
   (): Auth,
   nativeModuleExists: boolean,
@@ -119,6 +119,11 @@ export type ActionCodeSettings = {
   url: string,
 }
 
+export type UserMetadata = {
+  creationTime?: string,
+  lastSignInTime?: string,
+}
+
 /* Crash types */
 
 export type CrashModule = {