updates but getting status and setting status not working

common/static/coffee/src/discussion/utils.coffee

@@ -82,6 +82,8 @@ class @DiscussionUtil
       user_profile            : "/courses/#{$$course_id}/discussion/forum/users/#{param}"
       followed_threads        : "/courses/#{$$course_id}/discussion/forum/users/#{param}/followed"
       threads                 : "/courses/#{$$course_id}/discussion/forum"
+      "enable_notifications"  : "/notification_prefs/enable/"
+      "disable_notifications" : "/notification_prefs/disable/"
     }[name]
 
   @safeAjax: (params) ->

common/static/coffee/src/discussion/views/discussion_thread_list_view.coffee

@@ -197,7 +197,12 @@ if Backbone?
       @template = _.template($("#discussion-home").html())
       $(".discussion-column").html(@template)
       $(".post-list a").removeClass("active")
-      $(".email-notification").bind "click", @updateEmailNotifications
+      $("input.email-setting").bind "click", @updateEmailNotifications
+      url=DiscussionUtil.urlFor("get_notifications_state",window.user.get("id"))
+      DiscussionUtil.safeAjax
+          url: url
+          type: "POST"
+          dataType: 'json'
       thread_id = null
 
     toggleTopicDrop: (event) =>
@@ -432,20 +437,23 @@ if Backbone?
     updateEmailNotifications: () =>
       if $('input.email-notification').attr('checked')
         DiscussionUtil.safeAjax
-          url: '/notification_prefs/enable/'
+          url: DiscussionUtil.urlFor("enable_notifications")
           type: "POST"
           dataType: 'json'
           data:
-            username: window.user.get("username")
+            user: window.user.get("id")
           error: () =>
+            $('input.email-notification').removeAttr('checked')
+
             
       else
         DiscussionUtil.safeAjax
-          url: '/notification_prefs/disable/'
+          url: DiscussionUtil.urlFor("disable_notifications")
           type: "POST"
           dataType: 'json'
           data:
-            username: window.user.get("username")
+            user: window.user.get("id")
           error: () =>
+            $('input.email-notification').attr('checked','checked')
 
           

lms/djangoapps/notification_prefs/views.py

@@ -131,7 +131,6 @@ def ajax_disable(request):
 
     return HttpResponse(status=204)
 
-
 @require_GET
 def unsubscribe(request, token):
     """