Fix bug at picking driver

TugasBesar2_2017/WebApp/src/main/webapp/js/converse.js

@@ -82,10 +82,10 @@ let converse = function ($http) {
 
     pickAsync (id) {
       let data = JSON.stringify({
-        'user_id': id
+        'user_id': this.id
       })
 
-      return $http.post(`${apiUrl}/driver/${this.id}/pick`, data)
+      return $http.post(`${apiUrl}/driver/${id}/pick`, data)
     }
   }
 

app/api/driver.js

@@ -6,7 +6,6 @@
 
 const express = require('express')
 
-const chat = require('./chat')
 const hub = require('../service/hub')
 const relay = require('../service/relay')