def check_for_category_switch(sender, instance, **kwargs): # pylint: disable=unused-argument
"""
If the exam switches from proctored to timed, notify the backend
"""
if instance.id:
original = sender.objects.get(pk=instance.id)
if original.is_proctored and instance.is_proctored != original.is_proctored:
from edx_proctoring.serializers import ProctoredExamJSONSafeSerializer
exam = ProctoredExamJSONSafeSerializer(instance).data
# from the perspective of the backend, the exam is now inactive.
exam['is_active'] = False
backend = get_backend_provider(name=exam['backend'])
backend.on_exam_saved(exam)
def save_exam_on_backend(sender, instance, **kwargs): # pylint: disable=unused-argument
"""
Save the exam to the backend provider when our model changes.
It also combines the review policy into the exam when saving to the backend
"""
if sender == models.ProctoredExam:
exam_obj = instance
review_policy = models.ProctoredExamReviewPolicy.get_review_policy_for_exam(instance.id)
else:
exam_obj = instance.proctored_exam
review_policy = instance
if exam_obj.is_proctored:
from edx_proctoring.serializers import ProctoredExamJSONSafeSerializer
exam = ProctoredExamJSONSafeSerializer(exam_obj).data
if review_policy:
exam['rule_summary'] = review_policy.review_policy
backend = get_backend_provider(exam)
external_id = backend.on_exam_saved(exam)
if external_id and external_id != exam_obj.external_id:
exam_obj.external_id = external_id
exam_obj.save()