def backend_setting(self, setting_name, default=None):
""" Get a setting, from XapiBackendConfig """
from xapi.models import XapiBackendConfig
self.config = XapiBackendConfig.current()
if hasattr(self.config, str(setting_name)):
return getattr(self.config, str(setting_name))
else:
return default
def send_2_tincan_by_settings(cls):
options = XapiBackendConfig.current()
cls.send_2_tincan(
options.lrs_api_url,
options.username_lrs,
options.password_lrs,
options.extracted_event_number,
10)
def _generate_course_structure(course_key):
"""
Generates a course structure dictionary for the specified course.
"""
course = modulestore().get_course(course_key, depth=None)
end_date = course.end
blocks_stack = [course]
blocks_dict = {}
while blocks_stack:
curr_block = blocks_stack.pop()
children = curr_block.get_children() if curr_block.has_children else []
key = unicode(curr_block.scope_ids.usage_id)
typeblock = ACTIVITY_TYPE.get(curr_block.category, curr_block.category)
block = {
"id": key,
"type": typeblock,
"completedTimestamp": end_date
}
# Retrieve these attributes separately so that we can fail gracefully if the block doesn't have the attribute.
# attrs = (('end_date', None), ('format', None), ("completedTimestamp", None), ("relativeCompletion", None))
# for attr, default in attrs:
# if hasattr(curr_block, attr):
# block[attr] = getattr(curr_block, attr, default)
# else:
# log.warning('Failed to retrieve %s attribute of block %s. Defaulting to %s.', attr, key, default)
# block[attr] = default
blocks_dict[key] = block
# Add this blocks children to the stack so that we can traverse them as well.
blocks_stack.extend(children)
oai_prefix = XapiBackendConfig.current().oai_prefix
return {
"moocId": oai_prefix+course_key.to_deprecated_string(),
"tasks": blocks_dict.values()
}
def tasks(request, course_id): # pylint: disable=unused-argument
'''
Retrieve course structure for Learning Analytics integration
https://docs.google.com/document/d/1pTcAm9o9XrHXgiXkm7YzFWHqusvPQN4xRnVuMDjg-lA
'''
course_key = ""
oai_prefix = XapiBackendConfig.current().oai_prefix
course_id = course_id.replace(oai_prefix, "")
try:
course_key = CourseKey.from_string(course_id)
except InvalidKeyError:
course_key = SlashSeparatedCourseKey.from_deprecated_string(course_id)
try:
oai_course = OaiRecord.objects.get(identifier=oai_prefix + course_id) # pylint: disable=unused-variable
except OaiRecord.DoesNotExist:
return JsonResponse({}, status=404)
try:
structure = CourseStructureCache.objects.get(course_id=course_key)
return JsonResponse(json.loads(structure.structure_json))
except CourseStructureCache.DoesNotExist:
update_course_structure.delay(unicode(course_key))
return JsonResponse({}, status=503)
