Student should be redirected to login page if he/she gets looged out while doing playlist exercies

kalite/distributed/static/js/distributed/exercises.js

@@ -222,7 +222,12 @@ window.AttemptLogCollection = Backbone.Collection.extend({
     },
 
     url: function() {
-        return "/api/attemptlog/?" + $.param(this.filters, true);
+        if (window.statusModel.get("is_logged_in")) {
+            return "/api/attemptlog/?" + $.param(this.filters, true);
+        }
+        else {
+            window.location = "/securesync/login";
+        }
     },
 
     add_new: function(attemptlog) {

kalite/playlist/static/js/playlist/view_playlist.js

@@ -82,8 +82,14 @@ window.PlaylistContentAreaView = Backbone.View.extend({
     },
 
     render: function() {
-        this.$el.html(this.template(this.model.attributes));
-        return this;
+        if (window.statusModel.get("is_logged_in")) {
+            this.$el.html(this.template(this.model.attributes));
+            return this;
+        }
+        else
+        {
+            window.location = "/securesync/login";
+        }
     },
 
     show_view: function(view) {

kalite/playlist/views.py

@@ -1,6 +1,6 @@
 from annoying.decorators import render_to
 
-from kalite.shared.decorators import require_admin
+from kalite.shared.decorators import require_admin, require_login
 
 
 @require_admin
@@ -12,6 +12,7 @@ def assign_playlists(request):
     return context
 
 
+@require_login
 @render_to("playlist/view_playlist.html")
 def view_playlist(request, playlist_id):
     context = {