def create_thread(request, thread_data):
"""
Create a thread.
Arguments:
request: The django request object used for build_absolute_uri and
determining the requesting user.
thread_data: The data for the created thread.
Returns:
The created thread; see discussion.rest_api.views.ThreadViewSet for more
detail.
"""
course_id = thread_data.get("course_id")
user = request.user
if not course_id:
raise ValidationError({"course_id": ["This field is required."]})
try:
course_key = CourseKey.from_string(course_id)
course = _get_course(course_key, user)
except InvalidKeyError:
raise ValidationError({"course_id": ["Invalid value."]}) # lint-amnesty, pylint: disable=raise-missing-from
if not discussion_open_for_user(course, user):
raise DiscussionBlackOutException
context = get_context(course, request)
_check_initializable_thread_fields(thread_data, context)
discussion_settings = get_course_discussion_settings(course_key)
if ("group_id" not in thread_data and is_commentable_divided(
course_key, thread_data.get("topic_id"), discussion_settings)):
thread_data = thread_data.copy()
thread_data["group_id"] = get_group_id_for_user(
user, discussion_settings)
serializer = ThreadSerializer(data=thread_data, context=context)
actions_form = ThreadActionsForm(thread_data)
if not (serializer.is_valid() and actions_form.is_valid()):
raise ValidationError(
dict(
list(serializer.errors.items()) +
list(actions_form.errors.items())))
serializer.save()
cc_thread = serializer.instance
thread_created.send(sender=None, user=user, post=cc_thread)
api_thread = serializer.data
_do_extra_actions(api_thread, cc_thread, list(thread_data.keys()),
actions_form, context, request)
track_thread_created_event(request, course, cc_thread,
actions_form.cleaned_data["following"])
return api_thread
def create_comment(request, comment_data):
"""
Create a comment.
Arguments:
request: The django request object used for build_absolute_uri and
determining the requesting user.
comment_data: The data for the created comment.
Returns:
The created comment; see discussion.rest_api.views.CommentViewSet for more
detail.
"""
thread_id = comment_data.get("thread_id")
if not thread_id:
raise ValidationError({"thread_id": ["This field is required."]})
cc_thread, context = _get_thread_and_context(request, thread_id)
course = context["course"]
if not discussion_open_for_user(course, request.user):
raise DiscussionBlackOutException
# if a thread is closed; no new comments could be made to it
if cc_thread["closed"]:
raise PermissionDenied
_check_initializable_comment_fields(comment_data, context)
serializer = CommentSerializer(data=comment_data, context=context)
actions_form = CommentActionsForm(comment_data)
if not (serializer.is_valid() and actions_form.is_valid()):
raise ValidationError(
dict(
list(serializer.errors.items()) +
list(actions_form.errors.items())))
serializer.save()
cc_comment = serializer.instance
comment_created.send(sender=None, user=request.user, post=cc_comment)
api_comment = serializer.data
_do_extra_actions(api_comment, cc_comment, list(comment_data.keys()),
actions_form, context, request)
track_comment_created_event(request,
course,
cc_comment,
cc_thread["commentable_id"],
followed=False)
return api_comment
def test_discussion_open_for_user(self):
self.assertFalse(discussion_open_for_user(self.course, self.student))
self.assertTrue(discussion_open_for_user(self.course, self.moderator))
self.assertTrue(
discussion_open_for_user(self.course, self.community_ta))