From 8511705d8ee4b3795acb9c03720998d3afc80418 Mon Sep 17 00:00:00 2001
From: Elliot Hesp <elliot.hesp@gmail.com>
Date: Thu, 30 Nov 2017 10:02:01 +0000
Subject: [PATCH] [auth][android] Add methods to set the auth language via code
 or device language

---
 .../firebase/auth/RNFirebaseAuth.java         | 26 +++++++++++++++++++
 lib/modules/auth/index.js                     | 17 ++++++++++++
 2 files changed, 43 insertions(+)

diff --git a/android/src/main/java/io/invertase/firebase/auth/RNFirebaseAuth.java b/android/src/main/java/io/invertase/firebase/auth/RNFirebaseAuth.java
index 601f5cb5..36649088 100644
--- a/android/src/main/java/io/invertase/firebase/auth/RNFirebaseAuth.java
+++ b/android/src/main/java/io/invertase/firebase/auth/RNFirebaseAuth.java
@@ -1129,6 +1129,7 @@ class RNFirebaseAuth extends ReactContextBaseJavaModule {
   /**
    * fetchProvidersForEmail
    *
+   * @param appName
    * @param promise
    */
   @ReactMethod
@@ -1163,6 +1164,31 @@ class RNFirebaseAuth extends ReactContextBaseJavaModule {
       });
   }
 
+  /**
+   * Set the language code for the auth module
+   * @param appName
+   * @param code
+   */
+  @ReactMethod
+  public void setLanguageCode(String appName, String code) {
+    FirebaseApp firebaseApp = FirebaseApp.getInstance(appName);
+    FirebaseAuth firebaseAuth = FirebaseAuth.getInstance(firebaseApp);
+
+    firebaseAuth.setLanguageCode(code);
+  }
+
+  /**
+   * Use the device language
+   * @param appName
+   */
+  @ReactMethod
+  public void useDeviceLanguage(String appName) {
+    FirebaseApp firebaseApp = FirebaseApp.getInstance(appName);
+    FirebaseAuth firebaseAuth = FirebaseAuth.getInstance(firebaseApp);
+
+    firebaseAuth.useAppLanguage();
+  }
+
   /* ------------------
    * INTERNAL HELPERS
    * ---------------- */
diff --git a/lib/modules/auth/index.js b/lib/modules/auth/index.js
index 67abfe8a..accc5f8e 100644
--- a/lib/modules/auth/index.js
+++ b/lib/modules/auth/index.js
@@ -322,6 +322,23 @@ export default class Auth extends ModuleBase {
     return this._native.fetchProvidersForEmail(email);
   }
 
+  /**
+   * Sets the language for the auth module using the device language
+   * @returns {*}
+   */
+  useDeviceLanguage() {
+    return this._native.useDeviceLanguage();
+  }
+
+  /**
+   * Sets the language for the auth module
+   * @param code
+   * @returns {*}
+   */
+  set languageCode(code) {
+    return this._native.setLanguageCode(code);
+  }
+
   /**
    * Get the currently signed in user
    * @return {Promise}