def get_course(course_id):
try:
if not isinstance(course_id, CourseKey):
course_id = SlashSeparatedCourseKey.from_string(course_id)
return modulestore().get_course(course_id)
except:
return None
def get_courses(user, org=None, filter_=None):
"""
Returns a list of courses available, sorted by course.number and optionally
filtered by org code (case-insensitive).
"""
# In the event we don't want any course tiles displayed
if not getattr(settings, 'DISPLAY_COURSE_TILES', False):
return []
courses = CourseOverview.get_all_courses(org=None, filter_=None)
filtered_by_db = TileConfiguration.objects.filter(
enabled=True, ).values('course_id').order_by('-change_date')
if filtered_by_db:
filtered_by_db_ids = [course['course_id'] for course in filtered_by_db]
filtered_by_db_keys = frozenset([
SlashSeparatedCourseKey.from_string(c) for c in filtered_by_db_ids
])
courses = [
course for course in courses if course.id in filtered_by_db_keys
]
return courses
courses = branding.get_visible_courses(org=org, filter_=filter_)
permission_name = configuration_helpers.get_value(
'COURSE_CATALOG_VISIBILITY_PERMISSION',
settings.COURSE_CATALOG_VISIBILITY_PERMISSION)
courses = [c for c in courses if has_access(user, permission_name, c)]
return courses
def get_courses(user, org=None, filter_=None):
"""
Returns a list of courses available, sorted by course.number and optionally
filtered by org code (case-insensitive).
"""
# In the event we don't want any course tiles displayed
if not getattr(settings, 'DISPLAY_COURSE_TILES', False):
return []
courses = CourseOverview.get_all_courses(org=None, filter_=None)
filtered_by_db = TileConfiguration.objects.filter(
enabled=True,
).values('course_id').order_by('-change_date')
if filtered_by_db:
filtered_by_db_ids = [course['course_id'] for course in filtered_by_db]
filtered_by_db_keys = frozenset([SlashSeparatedCourseKey.from_string(c) for c in filtered_by_db_ids])
courses = [
course
for course in courses
if course.id in filtered_by_db_keys
]
return courses
courses = branding.get_visible_courses(org=org, filter_=filter_)
permission_name = configuration_helpers.get_value(
'COURSE_CATALOG_VISIBILITY_PERMISSION',
settings.COURSE_CATALOG_VISIBILITY_PERMISSION
)
courses = [c for c in courses if has_access(user, permission_name, c)]
return courses
def get(self, request, course_name, format=None):
""" Get course navigational elements """
course = get_course(course_name)
now = datetime.now(UTC())
# try:
# courses = CourseEnrollment.objects.get(
# user=request.user, course_id=course_name, is_active=True)
# except:
# return Response(status=status.HTTP_404_NOT_FOUND)
is_enrolled = CourseEnrollment.is_enrolled(request.user, course_name)
if not is_enrolled:
return Response(status=status.HTTP_404_NOT_FOUND)
result = {
"success": True,
"course": {
"display_name": course.display_name,
"location": str(course.location),
"start": course.start,
"children": _get_children(course_name, course.children, 'chapter', now),
}
}
chapters = result['course']['children']
for chapter in chapters:
sequentials = chapter['children'] = _get_children(
course_name, chapter['children'], 'sequential', now)
for sequential in sequentials:
verticals = sequential['children'] = _get_children(
course_name, sequential['children'], 'vertical', now)
for vertical in verticals:
children = [get_item(course_name, 'video', item_id) for item_id in _get_item_id_list(
vertical['children'], 'video')]
children = filter(lambda x: x and x.start < now, children)
vertical['children'] = []
course_key = SlashSeparatedCourseKey.from_string(course_name)
for video in children:
data = {
'display_name': video.display_name,
'location': str(video.location),
'start': video.start,
'track_zh': get_track_zh(video, course_key),
'track_en': get_track_en(video, course_key),
'source': get_video_source(video),
}
try:
ccsource = video.ccsource.strip()
data['length'] = VideoInfo.objects.get(
vid=ccsource).duration
except:
data['length'] = 0
vertical['children'].append(data)
return Response(result)
def get_item(course_id, category, id):
try:
if isinstance(course_id, basestring):
course_id = SlashSeparatedCourseKey.from_string(course_id)
usage_key = course_id.make_usage_key(category, id)
data = modulestore().get_item(usage_key)
except Exception as ex:
log.warn(ex)
return None
return data
def get_items(course_id, category):
#org, course_num, run = course_id.split("/")
#loc = Location('i4x', org, course_num, category)
try:
if not isinstance(course_id, CourseKey):
course_id = SlashSeparatedCourseKey.from_string(course_id)
data = modulestore().get_items(course_id, qualifiers={'category':category})
except:
return []
return data
def delete_report_download(request, course_id):
"""
Delete a downloaded report from the Instructor Dashboard
"""
course_id = SlashSeparatedCourseKey.from_string(course_id)
filename = request.POST.get('filename')
report_store = ReportStore.from_config(config_name='GRADES_DOWNLOAD')
report_store.delete_file(course_id, filename)
message = {
'status': _('The report was successfully deleted!'),
}
return JsonResponse(message)
def test_deprecated_from_dep_string_bad(self):
with self.assertDeprecationWarning():
with self.assertRaises(InvalidKeyError):
SlashSeparatedCourseKey.from_string("foo/bar")
def test_deprecated_from_dep_string(self):
with self.assertDeprecationWarning():
ssck = SlashSeparatedCourseKey.from_string("foo/bar/baz")
self.assertTrue(isinstance(ssck, CourseLocator))
def get_visible_courses():
"""
Return the set of CourseDescriptors that should be visible in this branded instance
"""
# In the event we don't want any course tiles displayed
if not getattr(settings, 'DISPLAY_COURSE_TILES', False):
return []
filtered_by_org = microsite.get_value('course_org_filter')
if filtered_by_org:
_courses = modulestore().get_courses(org=filtered_by_org)
else:
_courses = modulestore().get_courses()
courses = [c for c in _courses
if isinstance(c, CourseDescriptor)]
courses = sorted(courses, key=lambda course: course.number)
subdomain = microsite.get_value('subdomain', 'default')
# See if we have filtered course listings in this domain
filtered_visible_ids = None
# this is legacy format which is outside of the microsite feature -- also handle dev case, which should not filter
if hasattr(settings, 'COURSE_LISTINGS') and subdomain in settings.COURSE_LISTINGS and not settings.DEBUG:
filtered_visible_ids = frozenset([SlashSeparatedCourseKey.from_deprecated_string(c) for c in settings.COURSE_LISTINGS[subdomain]])
filtered_by_db = TileConfiguration.objects.filter(
enabled=True,
).values('course_id').order_by('-change_date')
if filtered_by_db:
filtered_by_db_ids = [course['course_id'] for course in filtered_by_db]
filtered_by_db_keys = frozenset([SlashSeparatedCourseKey.from_string(c) for c in filtered_by_db_ids])
return [course for course in courses if course.id in filtered_by_db_keys]
if filtered_by_org:
return [course for course in courses if course.location.org == filtered_by_org]
if filtered_visible_ids:
return [course for course in courses if course.id in filtered_visible_ids]
else:
# Let's filter out any courses in an "org" that has been declared to be
# in a Microsite
org_filter_out_set = microsite.get_all_orgs()
return [course for course in courses if course.location.org not in org_filter_out_set]
subdomain = microsite.get_value('subdomain', 'default')
# See if we have filtered course listings in this domain
filtered_visible_ids = None
# this is legacy format which is outside of the microsite feature -- also handle dev case, which should not filter
if hasattr(settings, 'COURSE_LISTINGS') and subdomain in settings.COURSE_LISTINGS and not settings.DEBUG:
filtered_visible_ids = frozenset([SlashSeparatedCourseKey.from_deprecated_string(c) for c in settings.COURSE_LISTINGS[subdomain]])
if filtered_by_org:
return [course for course in courses if course.location.org == filtered_by_org]
if filtered_visible_ids:
return [course for course in courses if course.id in filtered_visible_ids]
else:
# Let's filter out any courses in an "org" that has been declared to be
# in a Microsite
org_filter_out_set = microsite.get_all_orgs()
return [course for course in courses if course.location.org not in org_filter_out_set]
def __init__(self, course_id, videoes, **kwargs):
self.course_id = course_id
self.course_key = SlashSeparatedCourseKey.from_string(self.course_id)
super(VideoSerializer, self).__init__(videoes, **kwargs)
def test_deprecated_from_string(self):
with self.assertDeprecationWarning():
with self.assertRaises(InvalidKeyError):
SlashSeparatedCourseKey.from_string("slashes:foo+bar+baz")
