def _create_discussion_board_context(request, course_key, discussion_id=None, thread_id=None):
"""
Returns the template context for rendering the discussion board.
"""
context = _create_base_discussion_view_context(request, course_key)
course = context['course']
course_settings = context['course_settings']
user = context['user']
cc_user = cc.User.from_django_user(user)
user_info = context['user_info']
if thread_id:
thread = _find_thread(request, course, discussion_id=discussion_id, thread_id=thread_id)
if not thread:
raise Http404
# Since we're in page render mode, and the discussions UI will request the thread list itself,
# we need only return the thread information for this one.
threads = [thread.to_dict()]
for thread in threads:
# patch for backward compatibility with comments service
if "pinned" not in thread:
thread["pinned"] = False
thread_pages = 1
root_url = reverse('forum_form_discussion', args=[unicode(course.id)])
else:
threads, query_params = get_threads(request, course, user_info) # This might process a search query
thread_pages = query_params['num_pages']
root_url = request.path
is_staff = has_permission(user, 'openclose_thread', course.id)
threads = [utils.prepare_content(thread, course_key, is_staff) for thread in threads]
with newrelic_function_trace("get_metadata_for_threads"):
annotated_content_info = utils.get_metadata_for_threads(course_key, threads, user, user_info)
with newrelic_function_trace("add_courseware_context"):
add_courseware_context(threads, course, user)
with newrelic_function_trace("get_cohort_info"):
course_discussion_settings = get_course_discussion_settings(course_key)
user_group_id = get_group_id_for_user(user, course_discussion_settings)
context.update({
'root_url': root_url,
'discussion_id': discussion_id,
'thread_id': thread_id,
'threads': threads,
'thread_pages': thread_pages,
'annotated_content_info': annotated_content_info,
'is_moderator': has_permission(user, "see_all_cohorts", course_key),
'groups': course_settings["groups"], # still needed to render _thread_list_template
'user_group_id': user_group_id, # read from container in NewPostView
'sort_preference': cc_user.default_sort_key,
'category_map': course_settings["category_map"],
'course_settings': course_settings,
'is_commentable_divided': is_commentable_divided(course_key, discussion_id, course_discussion_settings),
'upgrade_link': check_and_get_upgrade_link(request, user, course.id),
'upgrade_price': get_cosmetic_verified_display_price(course),
})
return context
def inline_discussion(request, course_key, discussion_id):
"""
Renders JSON for DiscussionModules
"""
course = get_course_with_access(request.user, 'load', course_key, check_if_enrolled=True)
cc_user = cc.User.from_django_user(request.user)
user_info = cc_user.to_dict()
try:
threads, query_params = get_threads(request, course, user_info, discussion_id, per_page=INLINE_THREADS_PER_PAGE)
except ValueError:
return HttpResponseServerError("Invalid group_id")
with newrelic_function_trace("get_metadata_for_threads"):
annotated_content_info = utils.get_metadata_for_threads(course_key, threads, request.user, user_info)
is_staff = has_permission(request.user, 'openclose_thread', course.id)
threads = [utils.prepare_content(thread, course_key, is_staff) for thread in threads]
with newrelic_function_trace("add_courseware_context"):
add_courseware_context(threads, course, request.user)
return utils.JsonResponse({
'is_commentable_divided': is_commentable_divided(course_key, discussion_id),
'discussion_data': threads,
'user_info': user_info,
'annotated_content_info': annotated_content_info,
'page': query_params['page'],
'num_pages': query_params['num_pages'],
'roles': utils.get_role_ids(course_key),
'course_settings': make_course_settings(course, request.user)
})
def _get_thread_and_context(request, thread_id, retrieve_kwargs=None):
"""
Retrieve the given thread and build a serializer context for it, returning
both. This function also enforces access control for the thread (checking
both the user's access to the course and to the thread's cohort if
applicable). Raises ThreadNotFoundError if the thread does not exist or the
user cannot access it.
"""
retrieve_kwargs = retrieve_kwargs or {}
try:
if "with_responses" not in retrieve_kwargs:
retrieve_kwargs["with_responses"] = False
if "mark_as_read" not in retrieve_kwargs:
retrieve_kwargs["mark_as_read"] = False
cc_thread = Thread(id=thread_id).retrieve(**retrieve_kwargs)
course_key = CourseKey.from_string(cc_thread["course_id"])
course = _get_course(course_key, request.user)
context = get_context(course, request, cc_thread)
course_discussion_settings = get_course_discussion_settings(course_key)
if (
not context["is_requester_privileged"] and
cc_thread["group_id"] and
is_commentable_divided(course.id, cc_thread["commentable_id"], course_discussion_settings)
):
requester_group_id = get_group_id_for_user(request.user, course_discussion_settings)
if requester_group_id is not None and cc_thread["group_id"] != requester_group_id:
raise ThreadNotFoundError("Thread not found.")
return cc_thread, context
except CommentClientRequestError:
# params are validated at a higher level, so the only possible request
# error is if the thread doesn't exist
raise ThreadNotFoundError("Thread not found.")
def inline_discussion(request, course_key, discussion_id):
"""
Renders JSON for DiscussionModules
"""
course = get_course_with_access(request.user, 'load', course_key, check_if_enrolled=True)
cc_user = cc.User.from_django_user(request.user)
user_info = cc_user.to_dict()
try:
threads, query_params = get_threads(request, course, user_info, discussion_id, per_page=INLINE_THREADS_PER_PAGE)
except ValueError:
return HttpResponseServerError("Invalid group_id")
with newrelic_function_trace("get_metadata_for_threads"):
annotated_content_info = utils.get_metadata_for_threads(course_key, threads, request.user, user_info)
is_staff = has_permission(request.user, 'openclose_thread', course.id)
threads = [utils.prepare_content(thread, course_key, is_staff) for thread in threads]
with newrelic_function_trace("add_courseware_context"):
add_courseware_context(threads, course, request.user)
return utils.JsonResponse({
'is_commentable_divided': is_commentable_divided(course_key, discussion_id),
'discussion_data': threads,
'user_info': user_info,
'annotated_content_info': annotated_content_info,
'page': query_params['page'],
'num_pages': query_params['num_pages'],
'roles': utils.get_role_ids(course_key),
'course_settings': make_course_settings(course, request.user)
})
def _get_thread_and_context(request, thread_id, retrieve_kwargs=None):
"""
Retrieve the given thread and build a serializer context for it, returning
both. This function also enforces access control for the thread (checking
both the user's access to the course and to the thread's cohort if
applicable). Raises ThreadNotFoundError if the thread does not exist or the
user cannot access it.
"""
retrieve_kwargs = retrieve_kwargs or {}
try:
if "with_responses" not in retrieve_kwargs:
retrieve_kwargs["with_responses"] = False
if "mark_as_read" not in retrieve_kwargs:
retrieve_kwargs["mark_as_read"] = False
cc_thread = Thread(id=thread_id).retrieve(**retrieve_kwargs)
course_key = CourseKey.from_string(cc_thread["course_id"])
course = _get_course(course_key, request.user)
context = get_context(course, request, cc_thread)
course_discussion_settings = get_course_discussion_settings(course_key)
if (
not context["is_requester_privileged"] and
cc_thread["group_id"] and
is_commentable_divided(course.id, cc_thread["commentable_id"], course_discussion_settings)
):
requester_group_id = get_group_id_for_user(request.user, course_discussion_settings)
if requester_group_id is not None and cc_thread["group_id"] != requester_group_id:
raise ThreadNotFoundError("Thread not found.")
return cc_thread, context
except CommentClientRequestError:
# params are validated at a higher level, so the only possible request
# error is if the thread doesn't exist
raise ThreadNotFoundError("Thread not found.")
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_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."]})
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(serializer.errors.items() + 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, thread_data.keys(), actions_form,
context, request)
track_thread_created_event(request, course, cc_thread,
actions_form.cleaned_data["following"])
return api_thread
def inline_discussion(request, course_key, discussion_id):
"""
Renders JSON for DiscussionModules
"""
with function_trace('get_course_and_user_info'):
course = get_course_with_access(request.user, 'load', course_key, check_if_enrolled=True)
cc_user = cc.User.from_django_user(request.user)
user_info = cc_user.to_dict()
try:
with function_trace('get_threads'):
threads, query_params = get_threads(
request, course, user_info, discussion_id, per_page=INLINE_THREADS_PER_PAGE
)
except ValueError:
return HttpResponseServerError('Invalid group_id')
with function_trace('get_metadata_for_threads'):
annotated_content_info = utils.get_metadata_for_threads(course_key, threads, request.user, user_info)
with function_trace('determine_group_permissions'):
is_staff = has_permission(request.user, 'openclose_thread', course.id)
course_discussion_settings = get_course_discussion_settings(course.id)
group_names_by_id = get_group_names_by_id(course_discussion_settings)
course_is_divided = course_discussion_settings.division_scheme is not CourseDiscussionSettings.NONE
with function_trace('prepare_content'):
threads = [
utils.prepare_content(
thread,
course_key,
is_staff,
course_is_divided,
group_names_by_id
) for thread in threads
]
return utils.JsonResponse({
'is_commentable_divided': is_commentable_divided(course_key, discussion_id),
'discussion_data': threads,
'user_info': user_info,
'user_group_id': get_group_id_for_user(request.user, course_discussion_settings),
'annotated_content_info': annotated_content_info,
'page': query_params['page'],
'num_pages': query_params['num_pages'],
'roles': utils.get_role_ids(course_key),
'course_settings': make_course_settings(course, request.user, False)
})
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_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."]})
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(serializer.errors.items() + 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, thread_data.keys(), actions_form, context, request)
track_thread_created_event(request, course, cc_thread, actions_form.cleaned_data["following"])
return api_thread
def _find_thread(request, course, discussion_id, thread_id):
"""
Finds the discussion thread with the specified ID.
Args:
request: The Django request.
course_id: The ID of the owning course.
discussion_id: The ID of the owning discussion.
thread_id: The ID of the thread.
Returns:
The thread in question if the user can see it, else None.
"""
try:
thread = cc.Thread.find(thread_id).retrieve(
with_responses=request.is_ajax(),
recursive=request.is_ajax(),
user_id=request.user.id,
response_skip=request.GET.get("resp_skip"),
response_limit=request.GET.get("resp_limit"))
except cc.utils.CommentClientRequestError:
return None
# Verify that the student has access to this thread if belongs to a course discussion module
thread_context = getattr(thread, "context", "course")
if thread_context == "course" and not utils.discussion_category_id_access(
course, request.user, discussion_id):
return None
# verify that the thread belongs to the requesting student's group
is_moderator = has_permission(request.user, "see_all_cohorts", course.id)
course_discussion_settings = get_course_discussion_settings(course.id)
if is_commentable_divided(course.id, discussion_id,
course_discussion_settings) and not is_moderator:
user_group_id = get_group_id_for_user(request.user,
course_discussion_settings)
if getattr(thread, "group_id",
None) is not None and user_group_id != thread.group_id:
return None
return thread
def _find_thread(request, course, discussion_id, thread_id):
"""
Finds the discussion thread with the specified ID.
Args:
request: The Django request.
course_id: The ID of the owning course.
discussion_id: The ID of the owning discussion.
thread_id: The ID of the thread.
Returns:
The thread in question if the user can see it, else None.
"""
try:
thread = cc.Thread.find(thread_id).retrieve(
with_responses=request.is_ajax(),
recursive=request.is_ajax(),
user_id=request.user.id,
response_skip=request.GET.get("resp_skip"),
response_limit=request.GET.get("resp_limit")
)
except cc.utils.CommentClientRequestError:
return None
# Verify that the student has access to this thread if belongs to a course discussion module
thread_context = getattr(thread, "context", "course")
if thread_context == "course" and not utils.discussion_category_id_access(course, request.user, discussion_id):
return None
# verify that the thread belongs to the requesting student's group
is_moderator = has_permission(request.user, "see_all_cohorts", course.id)
course_discussion_settings = get_course_discussion_settings(course.id)
if is_commentable_divided(course.id, discussion_id, course_discussion_settings) and not is_moderator:
user_group_id = get_group_id_for_user(request.user, course_discussion_settings)
if getattr(thread, "group_id", None) is not None and user_group_id != thread.group_id:
return None
return thread
def _create_discussion_board_context(request, base_context, thread=None):
"""
Returns the template context for rendering the discussion board.
"""
context = base_context.copy()
course = context['course']
course_key = course.id
thread_id = thread.id if thread else None
discussion_id = thread.commentable_id if thread else None
course_settings = context['course_settings']
user = context['user']
cc_user = cc.User.from_django_user(user)
user_info = context['user_info']
if thread:
# Since we're in page render mode, and the discussions UI will request the thread list itself,
# we need only return the thread information for this one.
threads = [thread.to_dict()]
for thread in threads:
# patch for backward compatibility with comments service
if "pinned" not in thread:
thread["pinned"] = False
thread_pages = 1
root_url = reverse('forum_form_discussion', args=[unicode(course.id)])
else:
threads, query_params = get_threads(request, course, user_info) # This might process a search query
thread_pages = query_params['num_pages']
root_url = request.path
is_staff = has_permission(user, 'openclose_thread', course.id)
threads = [utils.prepare_content(thread, course_key, is_staff) for thread in threads]
with function_trace("get_metadata_for_threads"):
annotated_content_info = utils.get_metadata_for_threads(course_key, threads, user, user_info)
with function_trace("add_courseware_context"):
add_courseware_context(threads, course, user)
with function_trace("get_cohort_info"):
course_discussion_settings = get_course_discussion_settings(course_key)
user_group_id = get_group_id_for_user(user, course_discussion_settings)
context.update({
'root_url': root_url,
'discussion_id': discussion_id,
'thread_id': thread_id,
'threads': threads,
'thread_pages': thread_pages,
'annotated_content_info': annotated_content_info,
'is_moderator': has_permission(user, "see_all_cohorts", course_key),
'groups': course_settings["groups"], # still needed to render _thread_list_template
'user_group_id': user_group_id, # read from container in NewPostView
'sort_preference': cc_user.default_sort_key,
'category_map': course_settings["category_map"],
'course_settings': course_settings,
'is_commentable_divided': is_commentable_divided(course_key, discussion_id, course_discussion_settings),
# If the default topic id is None the front-end code will look for a topic that contains "General"
'discussion_default_topic_id': _get_discussion_default_topic_id(course),
})
context.update(
get_experiment_user_metadata_context(
course,
user,
)
)
return context
def get_threads(request,
course,
user_info,
discussion_id=None,
per_page=THREADS_PER_PAGE):
"""
This may raise an appropriate subclass of cc.utils.CommentClientError
if something goes wrong, or ValueError if the group_id is invalid.
Arguments:
request (WSGIRequest): The user request.
course (CourseDescriptorWithMixins): The course object.
user_info (dict): The comment client User object as a dict.
discussion_id (unicode): Optional discussion id/commentable id for context.
per_page (int): Optional number of threads per page.
Returns:
(tuple of list, dict): A tuple of the list of threads and a dict of the
query parameters used for the search.
"""
default_query_params = {
'page':
1,
'per_page':
per_page,
'sort_key':
'activity',
'text':
'',
'course_id':
unicode(course.id),
'user_id':
request.user.id,
'context':
ThreadContext.COURSE,
'group_id':
get_group_id_for_comments_service(
request, course.id, discussion_id), # may raise ValueError
}
# If provided with a discussion id, filter by discussion id in the
# comments_service.
if discussion_id is not None:
default_query_params['commentable_id'] = discussion_id
# Use the discussion id/commentable id to determine the context we are going to pass through to the backend.
if get_team(discussion_id) is not None:
default_query_params['context'] = ThreadContext.STANDALONE
if not request.GET.get('sort_key'):
# If the user did not select a sort key, use their last used sort key
default_query_params['sort_key'] = user_info.get(
'default_sort_key') or default_query_params['sort_key']
elif request.GET.get('sort_key') != user_info.get('default_sort_key'):
# If the user clicked a sort key, update their default sort key
cc_user = cc.User.from_django_user(request.user)
cc_user.default_sort_key = request.GET.get('sort_key')
cc_user.save()
#there are 2 dimensions to consider when executing a search with respect to group id
#is user a moderator
#did the user request a group
# if the user requested a group explicitly, give them that group, otherwise, if mod, show all, else if student, use cohort
if discussion_id:
is_cohorted = is_commentable_divided(course.id, discussion_id)
else:
is_cohorted = is_course_cohorted(course.id)
if has_permission(request.user, "see_all_cohorts", course.id):
group_id = request.GET.get('group_id')
if group_id in ("all", "None"):
group_id = None
else:
group_id = get_cohort_id(request.user, course.id)
if not group_id:
default_query_params['exclude_groups'] = True
if group_id:
group_id = int(group_id)
try:
CourseUserGroup.objects.get(course_id=course.id, id=group_id)
except CourseUserGroup.DoesNotExist:
if not is_cohorted:
group_id = None
else:
raise ValueError("Invalid Group ID")
default_query_params["group_id"] = group_id
#so by default, a moderator sees all items, and a student sees his cohort
query_params = default_query_params.copy()
query_params.update(
strip_none(
extract(request.GET, [
'page',
'sort_key',
'text',
'commentable_ids',
'flagged',
'unread',
'unanswered',
])))
if not is_cohorted:
query_params.pop('group_id', None)
paginated_results = cc.Thread.search(query_params)
threads = paginated_results.collection
# If not provided with a discussion id, filter threads by commentable ids
# which are accessible to the current user.
if discussion_id is None:
discussion_category_ids = set(
utils.get_discussion_categories_ids(course, request.user))
threads = [
thread for thread in threads
if thread.get('commentable_id') in discussion_category_ids
]
for thread in threads:
# patch for backward compatibility to comments service
if 'pinned' not in thread:
thread['pinned'] = False
query_params['page'] = paginated_results.page
query_params['num_pages'] = paginated_results.num_pages
query_params['corrected_text'] = paginated_results.corrected_text
return threads, query_params
def _create_discussion_board_context(request, base_context, thread=None):
"""
Returns the template context for rendering the discussion board.
"""
context = base_context.copy()
course = context['course']
course_key = course.id
thread_id = thread.id if thread else None
discussion_id = thread.commentable_id if thread else None
course_settings = context['course_settings']
user = context['user']
cc_user = cc.User.from_django_user(user)
user_info = context['user_info']
if thread:
# Since we're in page render mode, and the discussions UI will request the thread list itself,
# we need only return the thread information for this one.
threads = [thread.to_dict()]
for thread in threads:
# patch for backward compatibility with comments service
if "pinned" not in thread:
thread["pinned"] = False
thread_pages = 1
root_url = reverse('forum_form_discussion', args=[unicode(course.id)])
else:
threads, query_params = get_threads(
request, course, user_info) # This might process a search query
thread_pages = query_params['num_pages']
root_url = request.path
is_staff = has_permission(user, 'openclose_thread', course.id)
threads = [
utils.prepare_content(thread, course_key, is_staff)
for thread in threads
]
with function_trace("get_metadata_for_threads"):
annotated_content_info = utils.get_metadata_for_threads(
course_key, threads, user, user_info)
with function_trace("add_courseware_context"):
add_courseware_context(threads, course, user)
with function_trace("get_cohort_info"):
course_discussion_settings = get_course_discussion_settings(course_key)
user_group_id = get_group_id_for_user(user, course_discussion_settings)
context.update({
'root_url':
root_url,
'discussion_id':
discussion_id,
'thread_id':
thread_id,
'threads':
threads,
'thread_pages':
thread_pages,
'annotated_content_info':
annotated_content_info,
'is_moderator':
has_permission(user, "see_all_cohorts", course_key),
'groups':
course_settings[
"groups"], # still needed to render _thread_list_template
'user_group_id':
user_group_id, # read from container in NewPostView
'sort_preference':
cc_user.default_sort_key,
'category_map':
course_settings["category_map"],
'i18n_service':
ModuleI18nService,
'course_settings':
course_settings,
'is_commentable_divided':
is_commentable_divided(course_key, discussion_id,
course_discussion_settings),
# If the default topic id is None the front-end code will look for a topic that contains "General"
'discussion_default_topic_id':
_get_discussion_default_topic_id(course),
})
context.update(get_experiment_user_metadata_context(
course,
user,
))
return context
def _create_discussion_board_context(request, course_key, discussion_id=None, thread_id=None):
"""
Returns the template context for rendering the discussion board.
"""
context = _create_base_discussion_view_context(request, course_key)
course = context['course']
course_settings = context['course_settings']
user = context['user']
cc_user = cc.User.from_django_user(user)
user_info = context['user_info']
if thread_id:
thread = _find_thread(request, course, discussion_id=discussion_id, thread_id=thread_id)
if not thread:
raise Http404
# Since we're in page render mode, and the discussions UI will request the thread list itself,
# we need only return the thread information for this one.
threads = [thread.to_dict()]
for thread in threads:
# patch for backward compatibility with comments service
if "pinned" not in thread:
thread["pinned"] = False
thread_pages = 1
root_url = reverse('forum_form_discussion', args=[unicode(course.id)])
else:
threads, query_params = get_threads(request, course, user_info) # This might process a search query
thread_pages = query_params['num_pages']
root_url = request.path
is_staff = has_permission(user, 'openclose_thread', course.id)
threads = [utils.prepare_content(thread, course_key, is_staff) for thread in threads]
with newrelic_function_trace("get_metadata_for_threads"):
annotated_content_info = utils.get_metadata_for_threads(course_key, threads, user, user_info)
with newrelic_function_trace("add_courseware_context"):
add_courseware_context(threads, course, user)
with newrelic_function_trace("get_cohort_info"):
course_discussion_settings = get_course_discussion_settings(course_key)
user_group_id = get_group_id_for_user(user, course_discussion_settings)
context.update({
'root_url': root_url,
'discussion_id': discussion_id,
'thread_id': thread_id,
'threads': threads,
'thread_pages': thread_pages,
'annotated_content_info': annotated_content_info,
'is_moderator': has_permission(user, "see_all_cohorts", course_key),
'groups': course_settings["groups"], # still needed to render _thread_list_template
'user_group_id': user_group_id, # read from container in NewPostView
'sort_preference': cc_user.default_sort_key,
'category_map': course_settings["category_map"],
'course_settings': course_settings,
'is_commentable_divided': is_commentable_divided(course_key, discussion_id, course_discussion_settings),
# TODO: (Experimental Code). See https://openedx.atlassian.net/wiki/display/RET/2.+In-course+Verification+Prompts
'upgrade_link': check_and_get_upgrade_link(request, user, course.id),
'upgrade_price': get_cosmetic_verified_display_price(course),
# ENDTODO
})
return context
def get_threads(request, course, user_info, discussion_id=None, per_page=THREADS_PER_PAGE):
"""
This may raise an appropriate subclass of cc.utils.CommentClientError
if something goes wrong, or ValueError if the group_id is invalid.
Arguments:
request (WSGIRequest): The user request.
course (CourseDescriptorWithMixins): The course object.
user_info (dict): The comment client User object as a dict.
discussion_id (unicode): Optional discussion id/commentable id for context.
per_page (int): Optional number of threads per page.
Returns:
(tuple of list, dict): A tuple of the list of threads and a dict of the
query parameters used for the search.
"""
default_query_params = {
'page': 1,
'per_page': per_page,
'sort_key': 'activity',
'text': '',
'course_id': unicode(course.id),
'user_id': request.user.id,
'context': ThreadContext.COURSE,
'group_id': get_group_id_for_comments_service(request, course.id, discussion_id), # may raise ValueError
}
# If provided with a discussion id, filter by discussion id in the
# comments_service.
if discussion_id is not None:
default_query_params['commentable_id'] = discussion_id
# Use the discussion id/commentable id to determine the context we are going to pass through to the backend.
if get_team(discussion_id) is not None:
default_query_params['context'] = ThreadContext.STANDALONE
if not request.GET.get('sort_key'):
# If the user did not select a sort key, use their last used sort key
default_query_params['sort_key'] = user_info.get('default_sort_key') or default_query_params['sort_key']
elif request.GET.get('sort_key') != user_info.get('default_sort_key'):
# If the user clicked a sort key, update their default sort key
cc_user = cc.User.from_django_user(request.user)
cc_user.default_sort_key = request.GET.get('sort_key')
cc_user.save()
# there are 2 dimensions to consider when executing a search with respect to group id
# is user a moderator
# did the user request a group
# if the user requested a group explicitly, give them that group, otherwise, if mod, show all, else if student, use cohort
if discussion_id:
is_cohorted = is_commentable_divided(course.id, discussion_id)
else:
is_cohorted = is_course_cohorted(course.id)
if has_permission(request.user, "see_all_cohorts", course.id):
group_id = request.GET.get('group_id')
if group_id in ("all", "None"):
group_id = None
else:
group_id = get_cohort_id(request.user, course.id)
if not group_id:
default_query_params['exclude_groups'] = True
if group_id:
group_id = int(group_id)
try:
CourseUserGroup.objects.get(course_id=course.id, id=group_id)
except CourseUserGroup.DoesNotExist:
if not is_cohorted:
group_id = None
else:
raise ValueError("Invalid Group ID")
default_query_params["group_id"] = group_id
#so by default, a moderator sees all items, and a student sees his cohort
query_params = merge_dict(
default_query_params,
strip_none(
extract(
request.GET,
[
'page',
'sort_key',
'text',
'commentable_ids',
'flagged',
'unread',
'unanswered',
]
)
)
)
if not is_cohorted:
query_params.pop('group_id', None)
paginated_results = cc.Thread.search(query_params)
threads = paginated_results.collection
# If not provided with a discussion id, filter threads by commentable ids
# which are accessible to the current user.
if discussion_id is None:
discussion_category_ids = set(utils.get_discussion_categories_ids(course, request.user))
threads = [
thread for thread in threads
if thread.get('commentable_id') in discussion_category_ids
]
for thread in threads:
# patch for backward compatibility to comments service
if 'pinned' not in thread:
thread['pinned'] = False
query_params['page'] = paginated_results.page
query_params['num_pages'] = paginated_results.num_pages
query_params['corrected_text'] = paginated_results.corrected_text
return threads, query_params
