added currentUser.reload() method - android only, needs ios

Author: Salakar

android/src/main/java/io/fullstack/firestack/auth/FirestackAuth.java

@@ -475,9 +475,32 @@ public void signOut(final Callback callback) {
     callback.invoke(null, resp);
   }
 
+  @ReactMethod
+  public void reloadUser(final Callback callback) {
+    FirebaseUser user = mAuth.getCurrentUser();
+
+    if (user == null) {
+      callbackNoUser(callback, false);
+    } else {
+      user.reload()
+          .addOnCompleteListener(new OnCompleteListener<Void>() {
+            @Override
+            public void onComplete(@NonNull Task<Void> task) {
+              if (task.isSuccessful()) {
+                Log.d(TAG, "user reloaded");
+                userCallback(mAuth.getCurrentUser(), callback);
+              } else {
+                userErrorCallback(task, callback);
+              }
+            }
+          });
+    }
+  }
+
   @ReactMethod
   public void getCurrentUser(final Callback callback) {
     FirebaseUser user = mAuth.getCurrentUser();
+
     if (user == null) {
       callbackNoUser(callback, false);
     } else {

lib/modules/auth/index.js

@@ -186,6 +186,14 @@ export default class Auth extends Base {
     return promisify('deleteUser', FirestackAuth, 'auth/')();
   }
 
+  /**
+   * Delete the current user
+   * @return {Promise}
+   */
+  reloadUser(): Promise<Object> {
+    return promisify('reloadUser', FirestackAuth, 'auth/')();
+  }
+
   /**
    * get the token of current user
    * @return {Promise}

lib/modules/user.js

@@ -92,6 +92,10 @@ export default class User {
     return this._auth.deleteUser(...args);
   }
 
+  reload(...args) {
+    return this._auth.reload(...args);
+  }
+
   // TODO valueOrNul token - optional promise
   getToken(...args) {
     return this._auth.getToken(...args);