move group logic to get_threads

lms/djangoapps/django_comment_client/base/views.py

@@ -107,7 +107,7 @@ def create_thread(request, course_id, commentable_id):
     #    else:
             # regular users always post with their own id.
     #        group_id = user_group_id
-    if post['group_id']:
+    if 'group_id' in post.keys():
       thread.update_attributes(group_id=post['group_id'])
     
     thread.save()

lms/djangoapps/django_comment_client/forum/views.py

@@ -72,6 +72,12 @@ def get_threads(request, course_id, discussion_id=None, per_page=THREADS_PER_PAG
                                                   'tags', 'commentable_ids'])))
 
     threads, page, num_pages = cc.Thread.search(query_params)
+    
+    #now add the group name if the thread has a group id
+    for thread in threads:
+        if thread.get('group_id') and not thread.get('group_name'):
+            thread['group_name'] = get_cohort_by_id(course_id, thread.get('group_id')).name 
+      
 
     query_params['page'] = page
     query_params['num_pages'] = num_pages