def verify_canvas_course(self, course_id):
"""
Verify that the Canvas course still exists, has a correct sis_id, and
contains a UW Group section.
"""
try:
valid_adhoc_course_sis_id(course_id)
(prefix, canvas_course_id) = course_id.split('_')
canvas_course = get_course_by_id(canvas_course_id)
except CoursePolicyException:
canvas_course = get_course_by_sis_id(course_id)
if canvas_course.sis_course_id is None:
update_course_sis_id(canvas_course.course_id, course_id)
group_section_id = group_section_sis_id(course_id)
try:
section = get_section_by_sis_id(group_section_id)
except DataFailureException as err:
if err.status == 404:
self.data.add(
SectionCSV(section_id=group_section_id,
course_id=course_id,
name=group_section_name()))
else:
raise
def _process(self, member):
section_id = group_section_sis_id(member.course_id)
status = Enrollment.DELETED_STATUS if (
member.is_deleted) else Enrollment.ACTIVE_STATUS
if member.is_eppn():
member.login = member.name
try:
self.add_group_enrollment_data(member, section_id, member.role,
status)
except Exception as err:
self.logger.info("Skip group member %s (%s)" % (member.name, err))
def all_course_enrollments(self, course_id):
group_section_id = group_section_sis_id(course_id)
sis_enrollments = {}
group_enrollments = set()
for enr in get_enrollments_for_course_by_sis_id(course_id):
# Split the enrollments into sis and group enrollments,
# discarding enrollments for adhoc sections
try:
valid_academic_section_sis_id(enr.sis_section_id)
sis_enrollments[enr.login_id.lower()] = enr.sis_section_id
except CoursePolicyException:
if enr.sis_section_id == group_section_id:
group_enrollments.add(SetMember(enr.login_id, enr.role))
return (sis_enrollments, group_enrollments)
def _process(self, course_id):
try:
self._verify_canvas_course(course_id)
except DataFailureException as err:
if err.status == 404:
Group.objects.deprioritize_course(course_id)
self.logger.info("Drop group sync for deleted course %s" % (course_id))
else:
self._requeue_course(course_id, err)
return
group_section_id = group_section_sis_id(course_id)
self.data.add(SectionCSV(section_id=group_section_id, course_id=course_id, name=group_section_name()))
# Get the enrollments for academic courses from Canvas, excluding
# ad-hoc and group sections
try:
valid_academic_course_sis_id(course_id)
if course_id not in self.cached_course_enrollments:
canvas_enrollments = get_sis_enrollments_for_course(course_id)
self.cached_course_enrollments[course_id] = canvas_enrollments
except CoursePolicyException:
self.cached_course_enrollments[course_id] = []
except DataFailureException as err:
self._requeue_course(course_id, err)
return
current_members = []
for group in Group.objects.get_active_by_course(course_id):
try:
current_members.extend(self._get_current_members(group))
except DataFailureException as err:
self._requeue_course(course_id, err)
return
# skip on any group policy exception
except GroupPolicyException as err:
self.logger.info("Skip group %s (%s)" % (group.group_id, err))
cached_members = CourseMember.objects.get_by_course(course_id)
for member in cached_members:
match = next((m for m in current_members if m == member), None)
if match is None:
if not self.delta or not member.is_deleted:
try:
self.add_group_enrollment_data(
member, group_section_id, member.role, status=Enrollment.DELETED_STATUS
)
except Exception as err:
self.logger.info("Skip group member %s (%s)" % (member.name, err))
member.deactivate()
for member in current_members:
match = next((m for m in cached_members if m == member), None)
# new or previously removed member
if not self.delta or match is None or match.is_deleted:
try:
self.add_group_enrollment_data(
member, group_section_id, member.role, status=Enrollment.ACTIVE_STATUS
)
except Exception as err:
self.logger.info("Skip group member %s (%s)" % (member.name, err))
if match is None:
member.save()
elif match.is_deleted:
match.activate()
def _process(self, course_id):
group_section_id = group_section_sis_id(course_id)
try:
self.verify_canvas_course(course_id)
except DataFailureException as err:
if err.status == 404:
Group.objects.deprioritize_course(course_id)
self.logger.info(
"Drop group sync for deleted course {}".format(course_id))
else:
self._requeue_course(course_id, err)
return
try:
# Get the enrollments for SIS and Group sections in this course
(sis_enrollments,
group_enrollments) = self.all_course_enrollments(course_id)
# Build a flattened set of current group memberships from GWS
current_members = self.all_group_memberships(course_id)
except DataFailureException as err:
self._requeue_course(course_id, err)
return
# Remove enrollments not in the current group membership from
# the groups section
for member in (group_enrollments - current_members):
try:
self.add_group_enrollment_data(member.login,
group_section_id,
member.role,
status=ENROLLMENT_DELETED)
except DataFailureException as err:
self.logger.info("Skip remove group member {}: {}".format(
member.login, err))
# Add group members not already enrolled to the groups section,
# unless the user already has an sis enrollment in the course
for member in (current_members - group_enrollments):
if member.login in sis_enrollments:
self.logger.info(
"Skip add group member {} (present in {})".format(
member.login, sis_enrollments[member.login]))
continue
try:
self.add_group_enrollment_data(member.login,
group_section_id,
member.role,
status=ENROLLMENT_ACTIVE)
except DataFailureException as err:
self.logger.info("Skip add group member {}: {}".format(
member.login, err))
# Remove any existing group enrollments that also have an
# sis enrollment in the course
for member in group_enrollments:
if member.login in sis_enrollments:
self.add_group_enrollment_data(member.login,
group_section_id,
member.role,
status=ENROLLMENT_DELETED)
self.logger.info(
"Remove group enrollment {} (present in {})".format(
member.login, sis_enrollments[member.login]))