Fix join class modal (temporary hack)

app/core/Router.coffee

@@ -69,8 +69,8 @@ module.exports = class CocoRouter extends Backbone.Router
     'contribute/diplomat': go('contribute/DiplomatView')
     'contribute/scribe': go('contribute/ScribeView')
 
-    'courses': go('courses/CoursesView', { studentsOnly: true })
-    'Courses': go('courses/CoursesView', { studentsOnly: true })
+    'courses': go('courses/CoursesView')
+    'Courses': go('courses/CoursesView')
     'courses/students': redirect('/courses')
     'courses/teachers': redirect('/teachers/classes')
     'courses/purchase': redirect('/teachers/licenses')

app/views/courses/CoursesView.coffee

@@ -40,7 +40,7 @@ module.exports = class CoursesView extends RootView
     @courseInstances = new CocoCollection([], { url: "/db/user/#{me.id}/course_instances", model: CourseInstance})
     @courseInstances.comparator = (ci) -> return ci.get('classroomID') + ci.get('courseID')
     @listenToOnce @courseInstances, 'sync', @onCourseInstancesLoaded
-    @supermodel.loadCollection(@courseInstances)
+    @supermodel.loadCollection(@courseInstances, { cache: false })
     @classrooms = new CocoCollection([], { url: "/db/classroom", model: Classroom })
     @supermodel.loadCollection(@classrooms, { data: {memberID: me.id}, cache: false })
     @ownedClassrooms = new Classrooms()
@@ -59,6 +59,11 @@ module.exports = class CoursesView extends RootView
     @listenTo @hero, 'all', ->
       @render()
     window.tracker?.trackEvent 'Students Loaded', category: 'Students', ['Mixpanel']
+    
+  afterInsert: ->
+    super()
+    unless me.isStudent() or (@classCodeQueryVar and not me.isTeacher())
+      @onClassLoadError()
 
   onCourseInstancesLoaded: ->
     map = {}
@@ -135,12 +140,21 @@ module.exports = class CoursesView extends RootView
     else
       modal = new JoinClassModal({ @classCode })
       @openModalView modal
+      @listenTo modal, 'error', @onClassLoadError
       @listenTo modal, 'join:success', @onJoinClassroomSuccess
       @listenTo modal, 'join:error', @onJoinClassroomError
+      @listenToOnce modal, 'hidden', ->
+        unless me.isStudent()
+          @onClassLoadError()
       @listenTo modal, 'hidden', ->
         @state = null
         @renderSelectors '#join-class-form'
 
+  # Super hacky way to patch users being able to join class while hiding /courses from others
+  onClassLoadError: ->
+    _.defer ->
+      application.router.routeDirectly('courses/RestrictedToStudentsView')
+
   onJoinClassroomError: (classroom, jqxhr, options) ->
     @state = null
     if jqxhr.status is 422

app/views/courses/JoinClassModal.coffee

@@ -16,6 +16,8 @@ module.exports = class JoinClassModal extends ModalView
     jqxhr = @supermodel.trackRequest @classroom.fetchByCode(@classCode)
     unless me.get('emailVerified')
       @supermodel.trackRequest $.post("/db/user/#{me.id}/request-verify-email")
+    @listenTo @classroom, 'error', ->
+      @trigger('error')
     @listenTo @classroom, 'sync', ->
       @render
     @listenTo @classroom, 'join:success', ->