Files
edx-platform/cms/djangoapps/contentstore/utils.py
2012-10-05 09:56:07 -04:00

48 lines
1.9 KiB
Python

from django.conf import settings
from xmodule.modulestore import Location
from xmodule.modulestore.django import modulestore
def get_course_location_for_item(location):
'''
cdodge: for a given Xmodule, return the course that it belongs to
NOTE: This makes a lot of assumptions about the format of the course location
Also we have to assert that this module maps to only one course item - it'll throw an
assert if not
'''
item_loc = Location(location)
# check to see if item is already a course, if so we can skip this
if item_loc.category != 'course':
# @hack! We need to find the course location however, we don't
# know the 'name' parameter in this context, so we have
# to assume there's only one item in this query even though we are not specifying a name
course_search_location = ['i4x', item_loc.org, item_loc.course, 'course', None]
courses = modulestore().get_items(course_search_location)
# make sure we found exactly one match on this above course search
found_cnt = len(courses)
if found_cnt == 0:
raise BaseException('Could not find course at {0}'.format(course_search_location))
if found_cnt > 1:
raise BaseException('Found more than one course at {0}. There should only be one!!!'.format(course_search_location))
location = courses[0].location
return location
def get_lms_link_for_item(item):
if settings.LMS_BASE is not None:
lms_link = "{lms_base}/courses/{course_id}/jump_to/{location}".format(
lms_base=settings.LMS_BASE,
# TODO: These will need to be changed to point to the particular instance of this problem in the particular course
course_id = modulestore().get_containing_courses(item.location)[0].id,
location=item.location,
)
else:
lms_link = None
return lms_link