use isLoggedIn in the courses fetching too

Author: hawkrives

lib/courses.js

@@ -3,6 +3,7 @@ import {
     api,
     loadLoginCredentials,
     sisLogin,
+    isLoggedIn,
 } from '../lib/login'
 import { AsyncStorage, NetInfo } from 'react-native'
 
@@ -118,8 +119,9 @@ async function getTermListFromStorage(): Promise<number[]> {
 }
 
 async function getTermListFromServer(): Promise<number[]> {
-  let {username, password} = await loadLoginCredentials()
-  let {result} = await sisLogin(username, password)
+  // let {username, password} = await loadLoginCredentials()
+  // let {result} = await sisLogin(username, password)
+  let result = await isLoggedIn()
   if (!result) {
     return []
   }
@@ -136,6 +138,7 @@ async function getTermListFromServer(): Promise<number[]> {
   } else if (stunum.choices) {
     throw new Error('multiple student numbers!')
   }
+
   let terms = cssSelect('[name=searchyearterm]', dom)[0]
     .children
     .filter(node => node.type === 'tag' && node.name === 'option')