From 3d360348d5d346e6e081608be9b3735b635afb61 Mon Sep 17 00:00:00 2001
From: Salakar <mike.diarmid@gmail.com>
Date: Sat, 7 Oct 2017 01:49:12 +0100
Subject: [PATCH] [utils] run play services check automatically after any
 module usage - once

---
 lib/firebase.js | 37 ++++++++++++++++++++++++++++---------
 1 file changed, 28 insertions(+), 9 deletions(-)

diff --git a/lib/firebase.js b/lib/firebase.js
index ee8d3ddb..2ce9317c 100644
--- a/lib/firebase.js
+++ b/lib/firebase.js
@@ -6,7 +6,7 @@ import { NativeModules, NativeEventEmitter } from 'react-native';
 
 import INTERNALS from './internals';
 import FirebaseApp from './firebase-app';
-import { isObject, isString } from './utils';
+import { isObject, isString, isAndroid } from './utils';
 
 // module imports
 import AdMob, { statics as AdMobStatics } from './modules/admob';
@@ -27,18 +27,13 @@ class FirebaseCore {
   constructor() {
     this._nativeEmitters = {};
     this._nativeSubscriptions = {};
+    this._checkedPlayServices = false;
 
     if (!FirebaseCoreModule) {
       throw (new Error(INTERNALS.STRINGS.ERROR_MISSING_CORE));
     }
 
-    for (let i = 0, len = FirebaseCoreModule.apps.length; i < len; i++) {
-      const app = FirebaseCoreModule.apps[i];
-      const options = Object.assign({}, app);
-      delete options.name;
-      INTERNALS.APPS[app.name] = new FirebaseApp(app.name, options);
-      INTERNALS.APPS[app.name]._initializeApp(true);
-    }
+    this._initializeNativeApps();
 
     // modules
     this.admob = this._appNamespaceOrStatics(AdMobStatics, AdMob);
@@ -54,6 +49,20 @@ class FirebaseCore {
     this.utils = this._appNamespaceOrStatics(UtilsStatics, Utils);
   }
 
+  /**
+   * Bootstraps all native app instances that were discovered on boot
+   * @private
+   */
+  _initializeNativeApps() {
+    for (let i = 0, len = FirebaseCoreModule.apps.length; i < len; i++) {
+      const app = FirebaseCoreModule.apps[i];
+      const options = Object.assign({}, app);
+      delete options.name;
+      INTERNALS.APPS[app.name] = new FirebaseApp(app.name, options);
+      INTERNALS.APPS[app.name]._initializeApp(true);
+    }
+  }
+
   /**
    * Web SDK initializeApp
    *
@@ -171,7 +180,6 @@ class FirebaseCore {
 
   /**
    *
-   * @param namespace
    * @param statics
    * @param InstanceClass
    * @return {function(FirebaseApp=)}
@@ -179,8 +187,18 @@ class FirebaseCore {
    */
   _appNamespaceOrStatics(statics = {}, InstanceClass): Function {
     const namespace = InstanceClass._NAMESPACE;
+
+    // play services checks will run for the first time on any module
+    // usage - except for the utils module - to allow you to configure
+    // play services options
+    if (isAndroid && namespace !== Utils._NAMESPACE && !this._checkedPlayServices) {
+      this._checkedPlayServices = true;
+      this.utils().checkPlayServicesAvailability();
+    }
+
     const getNamespace = (app?: FirebaseApp) => {
       let _app = app;
+
       // throw an error if it's not a valid app instance
       if (_app && !(_app instanceof FirebaseApp)) throw new Error(INTERNALS.STRINGS.ERROR_NOT_APP(namespace));
 
@@ -193,6 +211,7 @@ class FirebaseCore {
     Object.assign(getNamespace, statics, {
       nativeModuleExists: !!NativeModules[InstanceClass._NATIVE_MODULE],
     });
+
     return getNamespace;
   }