Backported edx-platform hosted discussion XBlock to edx-solutions (part 2)

common/lib/xblock/discussion/discussion_forum/discussion_forum.py

@@ -55,14 +55,7 @@ class DiscussionXBlock(XBlock):
         """
         :return: int course id
         """
-        # TODO really implement this
-        # pylint: disable=no-member
-        if hasattr(self, 'xmodule_runtime'):
-            if hasattr(self.xmodule_runtime.course_id, 'to_deprecated_string'):
-                return self.xmodule_runtime.course_id.to_deprecated_string()
-            else:
-                return self.xmodule_runtime.course_id
-        return 'foo'
+        return unicode(self.location.course_key)
 
     def student_view(self, context=None):  # pylint: disable=unused-argument
         """ Renders student view for LMS and Studio """
@@ -78,7 +71,7 @@ class DiscussionXBlock(XBlock):
         """ Renders student view for LMS """
         fragment = Fragment()
         discussion_service = self.xmodule_runtime.service(self, 'discussion')  # pylint: disable=no-member
-        context = discussion_service.get_inline_template_context(self.discussion_id)
+        context = discussion_service.get_inline_template_context()
         context['discussion_id'] = self.discussion_id
 
         fragment.add_content(render_mako_template('discussion/_discussion_inline.html', context))
@@ -174,6 +167,12 @@ class DiscussionCourseXBlock(XBlock):
         context = discussion_service.get_course_template_context()
         context['enable_new_post_btn'] = True
 
+        for url in get_js_urls():
+            fragment.add_javascript_url(url)
+
+        for url in get_css_urls():
+            fragment.add_css_url(url)
+
         fragment.add_content(render_mako_template('discussion/_discussion_course.html', context))
 
         fragment.add_javascript(render_template('static/js/discussion_course.js', {
@@ -182,12 +181,6 @@ class DiscussionCourseXBlock(XBlock):
 
         fragment.add_content(render_mustache_templates())
 
-        for url in get_js_urls():
-            fragment.add_javascript_url(url)
-
-        for url in get_css_urls():
-            fragment.add_css_url(url)
-
         fragment.initialize_js('DiscussionCourseBlock')
 
         return fragment

common/lib/xblock/discussion/discussion_forum/static/js/discussion_inline.js

@@ -5,7 +5,7 @@ function DiscussionInlineBlock(runtime, element) {
 
   var testUrl = runtime.handlerUrl(element, 'test');
   if (testUrl.match(/^(http|https):\/\//)) {
-    var hostname = testUrl.match(/^(.*:\/\/[a-z\-.]+)\//)[1];
+    var hostname = testUrl.match(/^(.*:\/\/[a-z0-9:\-.]+)\//)[1];
     DiscussionUtil.setBaseUrl(hostname);
   }
 

common/lib/xblock/discussion/discussion_forum/utils.py

@@ -9,6 +9,8 @@ from django.conf import settings
 
 from mako.template import Template as MakoTemplate
 
+from rooted_paths import rooted_glob
+
 JS_URLS = [
     # VENDOR
     'js/vendor/URI.min.js',
@@ -17,6 +19,7 @@ JS_URLS = [
     'js/vendor/underscore-min.js',
     'js/vendor/backbone-min.js',
     'js/vendor/mustache.js',
+    'js/vendor/mathjax-MathJax-c9db6ac/MathJax.js?config=TeX-MML-AM_HTMLorMML-full',
 
     'xblock/discussion/js/vendor/split.js',
     'xblock/discussion/js/vendor/i18n.js',
@@ -28,10 +31,16 @@ JS_URLS = [
 ]
 
 CSS_URLS = [
-    # 'xblock/discussion/css/discussion-app.css',
-    'xblock/discussion/css/vendor/font-awesome.css'
+    'xblock/discussion/css/vendor/font-awesome.css',
+    'sass/discussion-forum.css',
 ]
 
+main_js = u'coffee/src/discussion/main.js'
+all_js = set(rooted_glob(settings.COMMON_ROOT / 'static', 'coffee/src/discussion/**/*.js'))
+all_js.remove(main_js)
+
+discussion_js = sorted(all_js) + [main_js]
+
 
 def load_resource(resource_path):
     """
@@ -47,7 +56,7 @@ def render_template(template_path, context=None):
     """
     template_str = load_resource(template_path)
     template = Template(template_str)
-    return template.render(Context(context if context else {}))
+    return template.render(Context(context or {}))
 
 
 def render_mako_template(template_path, context=None):
@@ -67,7 +76,7 @@ def render_mustache_templates():
 
     def read_file(file_name):
         """ Reads file and decodes it's content """
-        return open(mustache_dir + '/' + file_name, "r").read().decode('utf-8')
+        return (mustache_dir / file_name).text("utf-8")
 
     def template_id_from_file_name(file_name):
         """ Generates template_id from file name """
@@ -121,7 +130,7 @@ def load_scenarios_from_path(scenarios_path):
 
 def get_js_urls():
     """ Returns a list of all additional javascript files """
-    return [asset_to_static_url(path) for path in JS_URLS]
+    return [asset_to_static_url(path) for path in JS_URLS + discussion_js]
 
 
 def get_css_urls():

common/lib/xmodule/xmodule/x_module.py

@@ -1254,13 +1254,14 @@ class DiscussionService(object):
         Returns the context to render the course-level discussion templates.
 
         """
-
+        # for some reason pylint reports courseware.access, courseware.courses and django_comment_client.forum.views
+        # pylint: disable=import-error
         import json
         from django.http import HttpRequest
         import lms.lib.comment_client as cc
         from courseware.access import has_access
         from courseware.courses import get_course_with_access
-        from django_comment_client.forum.views import get_threads
+        from django_comment_client.forum.views import get_threads, make_course_settings
         from django_comment_client.permissions import cached_has_permission
         import django_comment_client.utils as utils
         from course_groups.cohorts import (
@@ -1273,7 +1274,7 @@ class DiscussionService(object):
         escapedict = {'"': '"'}
 
         request = HttpRequest()
-        user  = self.runtime.user
+        user = self.runtime.user
         request.user = user
         user_info = cc.User.from_django_user(self.runtime.user).to_dict()
         course_id = self.runtime.course_id
@@ -1283,15 +1284,13 @@ class DiscussionService(object):
         unsafethreads, query_params = get_threads(request, course_id)
         threads = [utils.safe_content(thread, course_id) for thread in unsafethreads]
 
-        flag_moderator = cached_has_permission(user, 'openclose_thread', course_id) or \
-                         has_access(user, 'staff', course)
+        flag_moderator = cached_has_permission(user, 'openclose_thread', course_id) or has_access(user, 'staff', course)
 
         annotated_content_info = utils.get_metadata_for_threads(course_id, threads, user, user_info)
-        category_map = utils.get_discussion_category_map(course)
-
-        cohorts = get_course_cohorts(course_id)
         cohorted_commentables = get_cohorted_commentables(course_id)
 
+        course_settings = make_course_settings(course)
+
         context = {
             'course': course,
             'course_id': course_id,
@@ -1301,13 +1300,15 @@ class DiscussionService(object):
             'user_info': saxutils.escape(json.dumps(user_info), escapedict),
             'flag_moderator': flag_moderator,
             'annotated_content_info': saxutils.escape(json.dumps(annotated_content_info), escapedict),
-            'category_map': category_map,
+            'category_map': course_settings['category_map'],
             'roles': saxutils.escape(json.dumps(utils.get_role_ids(course_id)), escapedict),
             'is_moderator': cached_has_permission(user, "see_all_cohorts", course_id),
-            'cohorts': cohorts,
+            'cohorts': course_settings['cohorts'],
             'user_cohort': user_cohort_id,
+            'sort_preference': user_info['default_sort_key'],
             'cohorted_commentables': cohorted_commentables,
-            'is_course_cohorted': is_course_cohorted(course_id),
+            'is_course_cohorted': course_settings['is_cohorted'],
+            'course_settings': saxutils.escape(json.dumps(course_settings), escapedict),
             'has_permission_to_create_thread': cached_has_permission(user, "create_thread", course_id),
             'has_permission_to_create_comment': cached_has_permission(user, "create_comment", course_id),
             'has_permission_to_create_subcomment': cached_has_permission(user, "create_subcomment", course_id),
@@ -1316,12 +1317,13 @@ class DiscussionService(object):
 
         return context
 
-    def get_inline_template_context(self, discussion_id):
+    def get_inline_template_context(self):
         """
         Returns the context to render inline discussion templates.
         """
-
-        import lms.lib.comment_client as cc
+        # for some reason pylint reports courseware.access, courseware.courses and django_comment_client.forum.views
+        # pylint: disable=import-error
+        from django.conf import settings
         from courseware.courses import get_course_with_access
         from courseware.access import has_access
         from django_comment_client.permissions import cached_has_permission
@@ -1334,10 +1336,11 @@ class DiscussionService(object):
         category_map = get_discussion_category_map(course)
 
         is_moderator = cached_has_permission(user, "see_all_cohorts", course_id)
-        flag_moderator =  cached_has_permission(user, 'openclose_thread', course_id) or \
-                          has_access(user, 'staff', course)
+        flag_moderator = cached_has_permission(user, 'openclose_thread', course_id) or has_access(user, 'staff', course)
 
         context = {
+            'user': user,
+            'settings': settings,
             'course': course,
             'category_map': category_map,
             'is_moderator': is_moderator,
@@ -1351,7 +1354,7 @@ class DiscussionService(object):
         return context
 
 
-class ModuleSystem(MetricsMixin,ConfigurableFragmentWrapper, Runtime):  # pylint: disable=abstract-method
+class ModuleSystem(MetricsMixin, ConfigurableFragmentWrapper, Runtime):  # pylint: disable=abstract-method
     """
     This is an abstraction such that x_modules can function independent
     of the courseware (e.g. import into other types of courseware, LMS,

common/static/coffee/spec/discussion/discussion_spec_helper.coffee

@@ -20,7 +20,9 @@ class @DiscussionSpecHelper
         )
 
     @makeEventSpy = () ->
-        jasmine.createSpyObj('event', ['preventDefault', 'target'])
+        obj = jasmine.createSpyObj('event', ['preventDefault'])
+        obj.target = document.createElement('div');
+        obj
 
     @makeCourseSettings = (is_cohorted=true) ->
         new DiscussionCourseSettings(

common/static/coffee/spec/discussion/view/discussion_thread_edit_view_spec.js

@@ -26,16 +26,16 @@
             };
         });
 
-        testUpdate = function(view, thread) {
+        testUpdate = function(view, thread, newTopicId, newTopicName) {
             spyOn($, 'ajax').andCallFake(function(params) {
                 expect(params.url.path()).toEqual(DiscussionUtil.urlFor('update_thread', 'dummy_id'));
                 expect(params.data.thread_type).toBe('discussion');
-                expect(params.data.commentable_id).toBe('other_topic');
+                expect(params.data.commentable_id).toBe(newTopicId);
                 expect(params.data.title).toBe('changed thread title');
                 params.success();
                 return {always: function() {}};
             });
-            view.$el.find('a.topic-title')[1].click(); // set new topic
+            view.$el.find('a.topic-title[data-discussion-id="'+newTopicId+'"]').click(); // set new topic
             view.$('.edit-post-title').val('changed thread title'); // set new title
             view.$("label[for$='post-type-discussion']").click(); // set new thread type
             view.$('.post-update').click();
@@ -43,20 +43,20 @@
 
             expect(thread.get('title')).toBe('changed thread title');
             expect(thread.get('thread_type')).toBe('discussion');
-            expect(thread.get('commentable_id')).toBe('other_topic');
-            expect(thread.get('courseware_title')).toBe('Other Topic');
+            expect(thread.get('commentable_id')).toBe(newTopicId);
+            expect(thread.get('courseware_title')).toBe(newTopicName);
             expect(view.$('.edit-post-title')).toHaveValue('');
             expect(view.$('.wmd-preview p')).toHaveText('');
         };
 
         it('can save new data correctly in tab mode', function() {
             this.createEditView();
-            testUpdate(this.view, this.thread);
+            testUpdate(this.view, this.thread, 'other_topic', 'Other Topic');
         });
 
         it('can save new data correctly in inline mode', function() {
             this.createEditView({"mode": "inline"});
-            testUpdate(this.view, this.thread);
+            testUpdate(this.view, this.thread, 'other_topic', 'Other Topic');
         });
 
         testCancel = function(view) {
@@ -73,5 +73,45 @@
             this.createEditView({"mode": "inline"});
             testCancel(this.view);
         });
+        describe('renderComments', function() {
+            beforeEach(function() {
+                this.course_settings = new DiscussionCourseSettings({
+                    'category_map': {
+                        'children': ['Topic', 'General', 'Basic Question'],
+                        'entries': {
+                            'Topic': {
+                                'is_cohorted': true,
+                                'id': 'topic'
+                            },
+                            "General": {
+                                "sort_key": "General",
+                                "is_cohorted": false,
+                                "id": "6.00.1x_General"
+                            },
+                            "Basic Question": {
+                                "is_cohorted": false,
+                                "id": "6>00'1x\"Basic_Question"
+                            }
+                        }
+                    },
+                    'is_cohorted': true
+                });
+            });
+            it('can save new data correctly for current discussion id without dots', function () {
+                this.createEditView({topicId: "topic"});
+                testUpdate(this.view, this.thread, "6.00.1x_General", "General");
+            });
+
+            it('can save new data correctly for current discussion id with dots', function () {
+                this.createEditView({topicId: "6.00.1x_General"});
+                testUpdate(this.view, this.thread, "6>00'1x\"Basic_Question", "Basic Question");
+            });
+
+            it('can save new data correctly for current discussion id with special characters', function () {
+                this.createEditView({topicId: "6>00'1x\"Basic_Question"});
+                testUpdate(this.view, this.thread, "6.00.1x_General", "General");
+            });
+        });
+
     });
 }).call(this);

common/static/coffee/spec/discussion/view/new_post_view_spec.coffee

@@ -54,7 +54,9 @@ describe "NewPostView", ->
         @view.render()
         expectedGroupId = null
         DiscussionSpecHelper.makeAjaxSpy(
-          (params) -> expect(params.data.group_id).toEqual(expectedGroupId)
+          (params) =>
+            expect(params.data.group_id).toEqual(expectedGroupId)
+            @view.$(".forum-new-post-form").removeAttr("disabled")
         )
 
         _.each(

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

@@ -13,11 +13,15 @@ $ ->
 
 class @DiscussionUtil
 
+  @baseUrl = '';
   @wmdEditors: {}
 
   @getTemplate: (id) ->
     $("script##{id}").html()
 
+  @setBaseUrl: (baseUrl) ->
+    @baseUrl = baseUrl
+
   @setUser: (user) ->
     @user = user
 
@@ -54,7 +58,7 @@ class @DiscussionUtil
             .click -> handler(this)
 
   @urlFor: (name, param, param1, param2) ->
-    {
+    @baseUrl + {
       follow_discussion       : "/courses/#{$$course_id}/discussion/#{param}/follow"
       unfollow_discussion     : "/courses/#{$$course_id}/discussion/#{param}/unfollow"
       create_thread           : "/courses/#{$$course_id}/discussion/#{param}/threads/create"
@@ -137,20 +141,22 @@ class @DiscussionUtil
     if $elem and $elem.attr("disabled")
       return
     params["url"] = URI(params["url"]).addSearch ajax: 1
-    params["beforeSend"] = ->
-      if $elem
-        $elem.attr("disabled", "disabled")
-      if params["$loading"]
-        if params["loadingCallback"]?
-          params["loadingCallback"].apply(params["$loading"])
-        else
-          params["$loading"].loading(params["takeFocus"])
     if !params["error"]
       params["error"] = =>
         @discussionAlert(
           gettext("Sorry"),
           gettext("We had some trouble processing your request. Please ensure you have copied any unsaved work and then reload the page.")
         )
+
+    # important difference - can't use beforeSend as it's used in jquery.xblock to set up xhr parameters
+    if $elem
+      $elem.attr("disabled", "disabled")
+    if params["$loading"]
+      if params["loadingCallback"]?
+        params["loadingCallback"].apply(params["$loading"])
+      else
+        params["$loading"].loading(params["takeFocus"])
+
     request = $.ajax(params).always ->
       if $elem
         $elem.removeAttr("disabled")

common/static/js_test.yml

@@ -79,4 +79,5 @@ spec_paths:
 fixture_paths:
     - js/fixtures
     - js/capa/fixtures
+    - templates/discussion
 

common/static/templates/discussion

+../../templates/js/discussion
\ No newline at end of file

lms/static/sass/application-extend2.scss.mako

@@ -56,7 +56,7 @@
 @import "discussion/elements/labels";
 @import "discussion/elements/navigation";
 @import "discussion/views/thread";
-@import "discussion/views/new-post";
+@import "discussion/views/create-edit-post";
 @import "discussion/views/response";
 @import 'discussion/utilities/developer';
 @import 'discussion/utilities/shame';

lms/static/sass/discussion-forum.scss

+/*
+ * This file is dynamically generated and ignored by Git.
+ * DO NOT MAKE CHANGES HERE. Instead, go edit its template:
+ * /edx/app/edxapp/edx-platform/lms/static/sass/discussion-forum.scss.mako
+ */
+
+
+// lms - css application architecture (platform)
+// ====================
+
+// libs and resets *do not edit*
+@import 'bourbon/bourbon'; // lib - bourbon
+
+// BASE  *default edX offerings*
+// ====================
+
+// base - utilities
+@import 'base/variables';
+@import 'base/mixins';
+
+
+// base - assets
+@import 'base/font_face';
+@import 'base/extends';
+
+// base - elements
+@import 'elements/typography';
+@import 'elements/controls';
+
+// shared
+@import 'shared/modal';
+
+// applications
+@import "discussion/utilities/variables";
+@import "discussion/mixins";
+@import 'discussion/discussion'; // Process old file after definitions but before everything else
+@import "discussion/elements/actions";
+@import "discussion/elements/editor";
+@import "discussion/elements/labels";
+@import "discussion/elements/navigation";
+@import "discussion/views/thread";
+@import "discussion/views/create-edit-post";
+@import "discussion/views/response";
+@import 'discussion/utilities/developer';
+@import 'discussion/utilities/shame';

lms/static/sass/discussion-forum.scss.mako

+## NOTE: This Sass infrastructure is redundant, but needed in order to address an IE9 rule limit within CSS - http://blogs.msdn.com/b/ieinternals/archive/2011/05/14/10164546.aspx
+
+
+// lms - css application architecture (platform)
+// ====================
+
+// libs and resets *do not edit*
+@import 'bourbon/bourbon'; // lib - bourbon
+
+// BASE  *default edX offerings*
+// ====================
+
+// base - utilities
+@import 'base/variables';
+@import 'base/mixins';
+
+## THEMING
+## -------
+## Set up this file to import an edX theme library if the environment
+## indicates that a theme should be used. The assumption is that the
+## theme resides outside of this main edX repository, in a directory
+## called themes/<theme-name>/, with its base Sass file in
+## themes/<theme-name>/static/sass/_<theme-name>.scss. That one entry
+## point can be used to @import in as many other things as needed.
+% if env["FEATURES"].get("USE_CUSTOM_THEME", False):
+  // import theme's Sass overrides
+  @import '${env.get('THEME_NAME')}';
+% endif
+
+// base - assets
+@import 'base/font_face';
+@import 'base/extends';
+
+// base - elements
+@import 'elements/typography';
+@import 'elements/controls';
+
+// shared
+@import 'shared/modal';
+
+// applications
+@import "discussion/utilities/variables";
+@import "discussion/mixins";
+@import 'discussion/discussion'; // Process old file after definitions but before everything else
+@import "discussion/elements/actions";
+@import "discussion/elements/editor";
+@import "discussion/elements/labels";
+@import "discussion/elements/navigation";
+@import "discussion/views/thread";
+@import "discussion/views/create-edit-post";
+@import "discussion/views/response";
+@import 'discussion/utilities/developer';
+@import 'discussion/utilities/shame';

lms/static/sass/discussion/elements/_labels.scss

 // discussion - elements - labels
 // ====================
 
-body.discussion, .discussion-module, .discussion-body {
+body.discussion, .discussion-module, .discussion-body, .discussion-course {
   .post-label-pinned {
     @include forum-post-label($forum-color-pinned);
   }

lms/static/sass/discussion/elements/_navigation.scss

 // discussion - elements - navigation
 // ====================
 
-.forum-nav {
-  @include box-sizing(border-box);
-  float: left;
-  position: relative;
-  width: 31%;
-  border: 1px solid #aaa;
-  border-radius: 3px;
+div.discussion-course, div.content-wrapper {
+  section.discussion {
+    div.forum-nav {
+      @include box-sizing(border-box);
+      float: left;
+      position: relative;
+      width: 31%;
+      border: 1px solid #aaa;
+      border-radius: 3px;
+
+      ul, ol {
+        list-style: none;
+        padding-left: 0;
+
+        li.forum-nav-thread {
+          margin-bottom: 0;
+        }
+
+        &.forum-nav-browse-submenu {
+          padding-left: $baseline;
+          list-style: none;
+        }
+      }
+    }
+  }
 }
 
 // ------
@@ -99,10 +117,7 @@
   list-style: none;
 }
 
-.forum-nav-browse-submenu {
-  padding-left: $baseline;
-  list-style: none;
-}
+
 
 .forum-nav-browse-title {
   display: block;

lms/static/sass/discussion/utilities/_developer.scss

@@ -17,7 +17,7 @@
 // provisional styling for "search alerts" (messages boxes that appear in the sidebar below the search
 // input field with notices pertaining to the search result).
 // --------------------
-body.discussion {
+body.discussion, .discussion-course, div.discussion-body {
 
   .forum-nav {
 

lms/static/sass/discussion/utilities/_shame.scss

@@ -107,7 +107,8 @@ li[class*=forum-nav-thread-label-] {
 // new post form
 // -------------
 
-.forum-new-post-form {
+.forum-new-post-form,
+.edit-post-form {
   // Override global label rules
   .post-type {
     text-shadow: none;
@@ -127,7 +128,7 @@ li[class*=forum-nav-thread-label-] {
     margin-bottom: 0;
   }
 
-  // Override global span rules 
+  // Override global span rules
   .post-topic-button .drop-arrow {
     line-height: 36px;
   }

lms/static/sass/discussion/views/_new-post.scss → lms/static/sass/discussion/views/_create-edit-post.scss

@@ -2,7 +2,8 @@
 // ====================
 
 // UI: form structure
-.forum-new-post-form {
+.forum-new-post-form,
+.edit-post-form {
   @include clearfix;
   box-sizing: border-box;
   margin: 0;
@@ -45,7 +46,7 @@
     .field-help {
       @include box-sizing(border-box);
       display: inline-block;
-      padding-left: $baseline;
+      padding-left: ($baseline);
       width: 50%;
       font-size: 12px;
     }
@@ -64,7 +65,8 @@
 // ====================
 
 // UI: inputs
-.forum-new-post-form {
+.forum-new-post-form,
+.edit-post-form {
   .post-topic-button {
     @include white-button;
     @extend %cont-truncated;
@@ -129,7 +131,7 @@
   .post-option {
     @include box-sizing(border-box);
     display: inline-block;
-    margin-right: $baseline;
+    margin-right: ($baseline);
     border: 1px solid transparent;
     border-radius: 3px;
     padding: ($baseline/2);
@@ -172,7 +174,8 @@
 // ====================
 
 // UI: errors - new post creation
-.forum-new-post-form {
+.forum-new-post-form,
+.edit-post-form {
   .post-errors {
     margin-bottom: $baseline;
     border-radius: 3px;
@@ -199,7 +202,8 @@
 // UI: topic menu
 
 // TO-DO: refactor to use _navigation.scss as general topic selector
-.forum-new-post-form .post-topic {
+.forum-new-post-form .post-topic ,
+.edit-post-form .post-topic {
   position: relative;
 
   .topic-menu-wrapper {

lms/static/sass/discussion/views/_thread.scss

@@ -2,7 +2,7 @@
 // ====================
 
 // general thread layout
-body.discussion, .discussion-module {
+body.discussion, .discussion-module, div.discussion-course {
 
   // post layout
   .discussion-post {
@@ -122,7 +122,7 @@ body.discussion, .discussion-module {
   background-color: $white;
 }
 
-body.discussion, .discussion-thread.expanded {
+body.discussion, .discussion-thread.expanded, div.discussion-course  {
   .forum-thread-main-wrapper {
     box-shadow: 0 1px 3px $shadow;
   }

lms/templates/courseware/courseware.html

@@ -30,6 +30,8 @@ ${page_title_breadcrumbs(course_name())}
 
 <%block name="nav_skip">${"#seq_content" if section_title else "#course-content"}</%block>
 
+<%include file="../discussion/_js_head_dependencies.html" />
+
   % if show_chat:
     <link rel="stylesheet" href="${static.url('css/vendor/ui-lightness/jquery-ui-1.8.22.custom.css')}" />
     ## It'd be better to have this in a place like lms/css/vendor/candy,

requirements/edx/custom.txt

@@ -7,5 +7,4 @@
 -e git+https://github.com/edx-solutions/xblock-drag-and-drop-v2.git@4482aa60643288943123fe589fab14a7f60cdc69#egg=xblock-drag-and-drop-v2
 -e git+https://github.com/edx-solutions/xblock-ooyala.git@81f91e6b03a50907e6838f0494b0bcf14e968a5e#egg=xblock-ooyala
 -e git+https://github.com/edx-solutions/xblock-group-project.git@a659bc6582c91f063a053919ebe8113afab0cafd#egg=xblock-group-project
--e git+https://github.com/edx-solutions/xblock-discussion.git@139206cc5eee6bbf5bbd50e358d4a2c9261ca834#egg=xblock-discussion
 -e git+https://github.com/edx-solutions/xblock-adventure.git@30894de41ee7efe7d5b6400086463d12995893f7#egg=xblock-adventure