def transform(self, usage_info, block_structure):
"""
loads override data into blocks
"""
provider_type = DiscussionsConfiguration.get(
usage_info.course_key).provider_type
topic_links = DiscussionTopicLink.objects.filter(
context_key=usage_info.course_key,
provider_id=provider_type,
enabled_in_context=True,
)
for topic_link in topic_links:
block_structure.override_xblock_field(
topic_link.usage_key,
DiscussionsTopicLinkTransformer.EXTERNAL_ID,
topic_link.external_id,
)
mfe_embed_link = get_discussions_mfe_topic_url(
usage_info.course_key, topic_link.external_id)
if mfe_embed_link:
block_structure.override_xblock_field(
topic_link.usage_key,
DiscussionsTopicLinkTransformer.EMBED_URL,
mfe_embed_link,
)
def _link_func(course, reverse_func):
config = DiscussionsConfiguration.get(course.id)
if config.provider_type == Provider.OPEN_EDX:
return get_learning_mfe_home_url(course_key=course.id,
url_fragment=self.type)
else:
return legacy_link_func(course, reverse_func)
def is_enabled(cls, course, user=None):
if super().is_enabled(course, user):
config = DiscussionsConfiguration.get(course.id)
return (
config.enabled and
config.lti_configuration is not None
)
else:
return False
def _filter_discussion_for_non_legacy_provider(all_components, course_key):
"""
Filter out Discussion component if non-legacy discussion provider is configured for course key
"""
discussion_provider = DiscussionsConfiguration.get(context_key=course_key).provider_type
if discussion_provider != 'legacy':
filtered_components = [component for component in all_components if component != 'discussion']
else:
filtered_components = all_components
return filtered_components
def test_tabs_enrolled_or_staff(self, provider):
config = DiscussionsConfiguration.get(self.course.id)
config.provider_type = provider
config.save()
for is_enrolled, is_staff in [(True, False), (False, True)]:
if provider == Provider.OPEN_EDX:
expected_link = get_learning_mfe_home_url(
course_key=self.course.id, url_fragment="discussion")
else:
expected_link = "default_discussion_link"
self.check_discussion(tab_list=self.tabs_with_discussion,
expected_discussion_link=expected_link,
expected_can_display_value=True,
is_enrolled=is_enrolled,
is_staff=is_staff)
def test_tabs_with_discussion(self, provider):
"""Test a course with a discussion tab configured"""
config = DiscussionsConfiguration.get(self.course.id)
config.provider_type = provider
config.save()
if provider == Provider.OPEN_EDX:
expected_link = get_learning_mfe_home_url(
course_key=self.course.id, url_fragment="discussion")
else:
expected_link = "default_discussion_link"
self.check_discussion(
tab_list=self.tabs_with_discussion,
expected_discussion_link=expected_link,
expected_can_display_value=True,
)
def _get_lti_config(self, course: CourseBlock) -> LtiConfiguration:
config = DiscussionsConfiguration.get(course.id)
return config.lti_configuration
def update_course_discussion_config(configuration: CourseDiscussionConfigurationData):
"""
Update the database version of the configuration if it changes in the course structure.
This function accepts a discussion configuration object that represents the current
configuration and applies that state to the database. It will go over the list of topic
links in the configuration, find the corresponding topic link in the database and apply
any changes if needed. If a new topic link has been introduced it will create an entry.
If a topic has been removed, it will deactivate the entry.
When this runs on a new course it will create a new DiscussionConfiguration entry for
the course.
Args:
configuration (CourseDiscussionConfigurationData): configuration data for the course
"""
course_key = configuration.course_key
provider_id = configuration.provider_type or DEFAULT_PROVIDER_TYPE
new_topic_map = {
(topic_context.usage_key or topic_context.external_id): topic_context
for topic_context in configuration.contexts
}
with transaction.atomic():
log.info(f"Updating existing discussion topic links for {course_key}")
for topic_link in DiscussionTopicLink.objects.filter(
context_key=course_key, provider_id=provider_id,
):
lookup_key = topic_link.usage_key or topic_link.external_id
topic_context = new_topic_map.pop(lookup_key, None)
# TODO: handle deleting topics that are no longer in use
# currently this will simply not work for course-wide topics since deleting the link will
# remove access to all posts in the topic.
if topic_context is None:
topic_link.enabled_in_context = False
else:
topic_link.enabled_in_context = True
topic_link.title = topic_context.title
topic_link.save()
log.info(f"Creating new discussion topic links for {course_key}")
DiscussionTopicLink.objects.bulk_create([
DiscussionTopicLink(
context_key=course_key,
usage_key=topic_context.usage_key,
title=topic_context.title,
provider_id=provider_id,
external_id=topic_context.external_id or uuid4(),
enabled_in_context=True,
)
for topic_context in new_topic_map.values()
])
if not DiscussionsConfiguration.objects.filter(context_key=course_key).exists():
log.info(f"Course {course_key} doesn't have discussion configuration model yet. Creating a new one.")
DiscussionsConfiguration(
context_key=course_key,
provider_type=provider_id,
plugin_configuration=configuration.plugin_configuration,
enable_in_context=configuration.enable_in_context,
enable_graded_units=configuration.enable_graded_units,
unit_level_visibility=configuration.unit_level_visibility,
).save()
def is_enabled(cls, course, user=None):
"""Check if the tab is enabled."""
if super().is_enabled(course, user):
return DiscussionsConfiguration.lti_discussion_enabled(course.id)
return False
