def get_quiz(request):
"""
Return the non-archived quiz if the resourceLinkId and contextId pair exists, if not, then check whether the resourceLinkId exists. If it
does, then a new quiz is to be created which would be copy of the latest non archived version of the quiz with given resourceLinkId
return new quiz.
"""
live_quiz = Quiz.objects.filter(
consumer_key=lti.get_oauth_consumer_key(request),
resourceLinkId=lti.get_resource_link_id(request),
contextId=lti.get_context_id(request))
if live_quiz.exists():
return live_quiz.latest()
# The resourceLinkId and the contextId pair doesn't exists, check whether the resourceLinkId exists.
if Quiz.objects.filter(
consumer_key=lti.get_oauth_consumer_key(request),
resourceLinkId=lti.get_resource_link_id(request)).exists():
# The quiz link is being migrated to another Context (new course term), hence the non-archived
# latest quiz with same resourceLinkId has to be copied over as a new Quiz.
quiz = create_new_quiz(request)
latest_quiz = Quiz.objects.filter(
consumer_key=lti.get_oauth_consumer_key(request),
resourceLinkId=lti.get_resource_link_id(request)).latest()
# copy all the settings of the latest quiz associated with the RESOURCE LINK ID.
quiz_settings = QuizSettings.objects.get(quiz=quiz)
quiz_settings.duration = latest_quiz.duration
quiz_settings.timeBetweenAttempt = latest_quiz.timeBetweenAttempt
quiz_settings.maxAttempts = latest_quiz.maxAttempts
quiz_settings.graded = latest_quiz.graded
quiz_settings.save()
#TODO: Copy all the questions , doing it manually to avoid any useless trouble: is it the right way?
questions = get_questions_by_quiz(latest_quiz)
for question in questions:
new_question = Question()
new_question.quiz = question.quiz # change the quiz to the new quiz
new_question.question_type = question.question_type
new_question.serial_number = question.serial_number
new_question.question_weight = question.question_weight
new_question.statement = question.statement
new_question.options_data = question.options_data
new_question.expected_response = question.expected_response
new_question.other_data = question.other_data
new_question.published = question.published
new_question.save()
return quiz
# The quiz doesn't exists for associated request! Return False
return False
