Merge pull request #7 from yarcub/1-add-state-to-token-callback

Pass store state to token fetch function

Author: yarcub

README.md

@@ -18,7 +18,7 @@ Major and minor versions follow the version number of Twilio javascript SDK. Cur
 
 Middleware expects the following dependencies:    
 * **Twilio**: the global Twilio instance
-* **token**: it expects a function that returns a Promise of a capability token
+* **token**: it expects a function that receives store state and returns a Promise of a capability token
 * **opts**: Twilio sdk [options](https://www.twilio.com/docs/api/client/device)
 
 #### Apply middleware
@@ -29,9 +29,10 @@ import {middleware} from 'twiliojs-redux';
 import fetch from 'isomorphic-fetch';
 import rootReducer from './reducers';
 
-const token = () => {
-  return fetch('capability_token')
-  .then((response) => response.text())
+const token = (state) => {
+  return fetch('capability_token', {
+      headers: { 'Authorization': `Bearer ${state.authToken}` }
+  }).then((response) => response.text())
 }
 
 const createStoreWithMiddleware = applyMiddleware(

src/middleware.js

@@ -2,14 +2,16 @@ var actions = require('./actions'),
 constants = require('./constants');
 
 const middleware = (twilioDevice, token, opts) => store => {
-  token().then( value => {
+  const getToken = () => token(store.getState())
+
+  getToken().then( value => {
     twilioDevice.ready( device => {
       store.dispatch(actions.changeDeviceStatus(device));
     });
 
     twilioDevice.offline( device => {
       store.dispatch(actions.changeDeviceStatus(device));
-      token().then( value => {
+      getToken().then( value => {
         twilioDevice.setup(value, opts);
       })
     });