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 update_comment(request, comment_id, update_data):
"""
Update a comment.
Arguments:
request: The django request object used for build_absolute_uri and
determining the requesting user.
comment_id: The id for the comment to update.
update_data: The data to update in the comment.
Returns:
The updated comment; see discussion.rest_api.views.CommentViewSet for more
detail.
Raises:
CommentNotFoundError: if the comment does not exist or is not accessible
to the requesting user
PermissionDenied: if the comment is accessible to but not editable by
the requesting user
ValidationError: if there is an error applying the update (e.g. raw_body
is empty or thread_id is included)
"""
cc_comment, context = _get_comment_and_context(request, comment_id)
_check_editable_fields(cc_comment, update_data, context)
serializer = CommentSerializer(cc_comment,
data=update_data,
partial=True,
context=context)
actions_form = CommentActionsForm(update_data)
if not (serializer.is_valid() and actions_form.is_valid()):
raise ValidationError(
dict(
list(serializer.errors.items()) +
list(actions_form.errors.items())))
# Only save comment object if some of the edited fields are in the comment data, not extra actions
if set(update_data) - set(actions_form.fields):
serializer.save()
comment_edited.send(sender=None, user=request.user, post=cc_comment)
api_comment = serializer.data
_do_extra_actions(api_comment, cc_comment, list(update_data.keys()),
actions_form, context, request)
return api_comment
def save_and_reserialize(self, data, instance=None):
"""
Create a serializer with the given data, ensure that it is valid, save
the result, and return the full comment data from the serializer.
"""
context = get_context(
self.course, self.request,
make_minimal_cs_thread({"course_id": str(self.course.id)}))
serializer = CommentSerializer(instance,
data=data,
partial=(instance is not None),
context=context)
assert serializer.is_valid()
serializer.save()
return serializer.data
def save_and_reserialize(self, data, instance=None):
"""
Create a serializer with the given data, ensure that it is valid, save
the result, and return the full comment data from the serializer.
"""
context = get_context(
self.course,
self.request,
make_minimal_cs_thread({"course_id": six.text_type(self.course.id)})
)
serializer = CommentSerializer(
instance,
data=data,
partial=(instance is not None),
context=context
)
self.assertTrue(serializer.is_valid())
serializer.save()
return serializer.data
def update_comment(request, comment_id, update_data):
"""
Update a comment.
Arguments:
request: The django request object used for build_absolute_uri and
determining the requesting user.
comment_id: The id for the comment to update.
update_data: The data to update in the comment.
Returns:
The updated comment; see discussion.rest_api.views.CommentViewSet for more
detail.
Raises:
CommentNotFoundError: if the comment does not exist or is not accessible
to the requesting user
PermissionDenied: if the comment is accessible to but not editable by
the requesting user
ValidationError: if there is an error applying the update (e.g. raw_body
is empty or thread_id is included)
"""
cc_comment, context = _get_comment_and_context(request, comment_id)
_check_editable_fields(cc_comment, update_data, context)
serializer = CommentSerializer(cc_comment, data=update_data, partial=True, context=context)
actions_form = CommentActionsForm(update_data)
if not (serializer.is_valid() and actions_form.is_valid()):
raise ValidationError(dict(serializer.errors.items() + actions_form.errors.items()))
# Only save comment object if some of the edited fields are in the comment data, not extra actions
if set(update_data) - set(actions_form.fields):
serializer.save()
comment_edited.send(sender=None, user=request.user, post=cc_comment)
api_comment = serializer.data
_do_extra_actions(api_comment, cc_comment, update_data.keys(), actions_form, context, request)
return api_comment
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)
# 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(serializer.errors.items() + 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, comment_data.keys(), actions_form, context, request)
track_comment_created_event(request, context["course"], cc_comment, cc_thread["commentable_id"], followed=False)
return api_comment
