def handle_refund_order(sender, course_enrollment=None, **kwargs):
"""
Signal receiver for unenrollments, used to automatically initiate refunds
when applicable.
"""
if not is_commerce_service_configured():
return
if course_enrollment and course_enrollment.refundable():
try:
request_user = get_request_user() or course_enrollment.user
if isinstance(request_user, AnonymousUser):
# Assume the request was initiated via server-to-server
# API call (presumably Otto). In this case we cannot
# construct a client to call Otto back anyway, because
# the client does not work anonymously, and furthermore,
# there's certainly no need to inform Otto about this request.
return
refund_seat(course_enrollment)
except: # pylint: disable=bare-except
# don't assume the signal was fired with `send_robust`.
# avoid blowing up other signal handlers by gracefully
# trapping the Exception and logging an error.
log.exception(
"Unexpected exception while attempting to initiate refund for user [%s], course [%s]",
course_enrollment.user.id,
course_enrollment.course_id,
)
def refund_entitlement(course_entitlement):
"""
Attempt a refund of a course entitlement. Verify the User before calling this refund method
Returns:
bool: True if the Refund is successfully processed.
"""
user_model = get_user_model()
enrollee = course_entitlement.user
entitlement_uuid = str(course_entitlement.uuid)
if not is_commerce_service_configured():
log.error(
'Ecommerce service is not configured, cannot refund for user [%s], course entitlement [%s].',
enrollee.id,
entitlement_uuid
)
return False
service_user = user_model.objects.get(username=settings.ECOMMERCE_SERVICE_WORKER_USERNAME)
api_client = ecommerce_api_client(service_user)
log.info(
'Attempting to create a refund for user [%s], course entitlement [%s]...',
enrollee.id,
entitlement_uuid
)
try:
refund_ids = api_client.refunds.post(
{
'order_number': course_entitlement.order_number,
'username': enrollee.username,
'entitlement_uuid': entitlement_uuid,
}
)
except Exception as exc: # pylint: disable=broad-except
# Catch any possible exceptions from the Ecommerce service to ensure we fail gracefully
log.exception(
"Unexpected exception while attempting to initiate refund for user [%s], "
"course entitlement [%s] message: [%s]",
enrollee.id,
course_entitlement.uuid,
str(exc)
)
return False
if refund_ids:
log.info(
'Refund successfully opened for user [%s], course entitlement [%s]: %r',
enrollee.id,
entitlement_uuid,
refund_ids,
)
return _process_refund(
refund_ids=refund_ids,
api_client=api_client,
mode=course_entitlement.mode,
user=enrollee,
always_notify=True,
)
else:
log.warn('No refund opened for user [%s], course entitlement [%s]', enrollee.id, entitlement_uuid)
return False
def refund_entitlement(course_entitlement):
"""
Attempt a refund of a course entitlement. Verify the User before calling this refund method
Returns:
bool: True if the Refund is successfully processed.
"""
user_model = get_user_model()
enrollee = course_entitlement.user
entitlement_uuid = str(course_entitlement.uuid)
if not is_commerce_service_configured():
log.error(
'Ecommerce service is not configured, cannot refund for user [%s], course entitlement [%s].',
enrollee.id, entitlement_uuid)
return False
service_user = user_model.objects.get(
username=settings.ECOMMERCE_SERVICE_WORKER_USERNAME)
api_client = ecommerce_api_client(service_user)
log.info(
'Attempting to create a refund for user [%s], course entitlement [%s]...',
enrollee.id, entitlement_uuid)
try:
refund_ids = api_client.refunds.post({
'order_number':
course_entitlement.order_number,
'username':
enrollee.username,
'entitlement_uuid':
entitlement_uuid,
})
except Exception as exc: # pylint: disable=broad-except
# Catch any possible exceptions from the Ecommerce service to ensure we fail gracefully
log.exception(
"Unexpected exception while attempting to initiate refund for user [%s], "
"course entitlement [%s] message: [%s]", enrollee.id,
course_entitlement.uuid, str(exc))
return False
if refund_ids:
log.info(
'Refund successfully opened for user [%s], course entitlement [%s]: %r',
enrollee.id,
entitlement_uuid,
refund_ids,
)
return _process_refund(
refund_ids=refund_ids,
api_client=api_client,
mode=course_entitlement.mode,
user=enrollee,
always_notify=True,
)
else:
log.warning('No refund opened for user [%s], course entitlement [%s]',
enrollee.id, entitlement_uuid)
return False