Refactor Firebase admin to where it's needed

Author: oskarrough

src/app.js

@@ -1,43 +1,18 @@
 const express = require('express')
 const bodyParser = require('body-parser')
 const cors = require('cors')
-const admin = require('firebase-admin')
 const functions = require('firebase-functions')
 
 const config = require('./config')
 const billings = require('./billings')
 const embed = require('./embed')
 const oembed = require('./oembed')
 
-
 /* Start Express server */
 const app = express()
 app.use(cors())
 app.use(bodyParser.json())
 
-
-/*
-	 If we want to run the server outside of firebase's function servers
-	 we'll need a service account, to have the right authorization
-	 to connect as admin to our firebase instance.
-
-	 const serviceAccount = require("./serviceAccountKey.json")
-	 admin.initializeApp({
-     credential: admin.credential.cert(serviceAccount),
-     databaseURL: "https://radio4000-staging.firebaseio.com"
-	 });
-*/
-
-/*
-	 When used on firebase servers, we just need to pull the config
-	 and run the server that way:
-	 $ firebase serve --only functions
-	 source: https://firebase.google.com/docs/functions/local-emulator
-*/
-
-admin.initializeApp(functions.config().firebase)
-
-
 /* Routes */
 app.get('/', function (req, res) {
 	res.json({

src/billings/index.js

@@ -5,6 +5,8 @@ const stripe = require('stripe')
 const config = require('../config')
 const noEndpoint = require('../utils/no-endpoint')
 
+admin.initializeApp(functions.config().firebase)
+
 const billings = express.Router()
 
 let stripePrivateKey = functions.config().stripe.private_key