Annotate comment content wrappers with classes for the roles of the author.

lms/djangoapps/django_comment_client/utils.py

@@ -8,7 +8,9 @@ from django.utils import simplejson
 from django.db import connection
 from django.conf import settings
 from django.core.urlresolvers import reverse
+from django.contrib.auth.models import User
 from django_comment_client.permissions import check_permissions_by_view
+from django_comment_client.models import Role
 from mitxmako import middleware
 
 import logging
@@ -212,11 +214,14 @@ def permalink(content):
                        args=[content['course_id'], content['commentable_id'], content['thread_id']]) + '#' + content['id']
 
 def extend_content(content):
+    user = User.objects.get(pk=content['user_id'])
+    roles = dict([('name', role.name.lower()) for role in user.roles.filter(course_id=content['course_id'])])
     content_info = {
         'displayed_title': content.get('highlighted_title') or content.get('title', ''),
         'displayed_body': content.get('highlighted_body') or content.get('body', ''),
         'raw_tags': ','.join(content.get('tags', [])),
         'permalink': permalink(content),
+        'roles': roles,
     }
     return merge_dict(content, content_info)
 

lms/templates/discussion/mustache/_content.mustache

 <div class="discussion-content local">
-  <div class="discussion-content-wrapper">
+  <div class="discussion-content-wrapper{{#content.roles}} role-{{name}}{{/content.roles}}">
     <div class="discussion-votes">
       <a class="discussion-vote discussion-vote-up" href="javascript:void(0)" value="up">&#9650;</a>
       <div class="discussion-votes-point">{{content.votes.point}}</div>