Add option for admins to create new courses

store/index.js

@@ -1,11 +1,15 @@
 export const state = () => ({
   firebaseInitialized: false,
+  idTokenResult: null,
   user: null,
   courses: {},
   selectedCourse: undefined
 })
 
 export const getters = {
+  isAdmin (state) {
+    return state.idTokenResult && state.idTokenResult.claims.admin
+  },
   getCourseByID: (state) => (courseID) => {
     return state.courses[courseID]
   }
@@ -15,12 +19,18 @@ export const mutations = {
   initFirebase (state) {
     state.firebaseInitialized = true
   },
+  setIdTokenResult (state, idTokenResult) {
+    state.idTokenResult = idTokenResult
+  },
   setUser (state, user) {
     state.user = user
   },
   setCourses (state, courses) {
     state.courses = courses
   },
+  setCourse (state, { courseID, courseData }) {
+    this._vm.$set(state.courses, courseID, courseData)
+  },
   setSelectedCourse (state, courseID) {
     state.selectedCourse = courseID
   },