9f16b0f8f6
handles exam events from event bus that impact the 'instructor' app. These apis deal with learner completion and managing problem attempt state.
83 lines
2.8 KiB
Python
83 lines
2.8 KiB
Python
"""
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Handlers for instructor
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"""
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import logging
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from django.contrib.auth import get_user_model
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from django.core.exceptions import ObjectDoesNotExist
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from django.dispatch import receiver
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from openedx_events.learning.signals import EXAM_ATTEMPT_RESET, EXAM_ATTEMPT_SUBMITTED
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from lms.djangoapps.courseware.models import StudentModule
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from lms.djangoapps.instructor import enrollment
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from lms.djangoapps.instructor.tasks import update_exam_completion_task
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User = get_user_model()
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log = logging.getLogger(__name__)
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@receiver(EXAM_ATTEMPT_SUBMITTED)
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def handle_exam_completion(sender, signal, **kwargs):
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"""
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exam completion event from the event bus
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"""
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event_data = kwargs.get('exam_attempt')
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user_data = event_data.student_user
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usage_key = event_data.usage_key
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update_exam_completion_task.apply_async((user_data.pii.username, str(usage_key), 1.0))
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@receiver(EXAM_ATTEMPT_RESET)
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def handle_exam_reset(sender, signal, **kwargs):
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"""
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exam reset event from the event bus
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"""
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event_data = kwargs.get('exam_attempt')
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user_data = event_data.student_user
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requesting_user_data = event_data.requesting_user
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usage_key = event_data.usage_key
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course_key = event_data.course_key
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content_id = str(usage_key)
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try:
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student = User.objects.get(id=user_data.id)
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except ObjectDoesNotExist:
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log.error(
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'Error occurred while attempting to reset student attempt for user_id '
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f'{user_data.id} for content_id {content_id}. '
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'User does not exist!'
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)
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return
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try:
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requesting_user = User.objects.get(id=requesting_user_data.id)
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except ObjectDoesNotExist:
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log.error(
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'Error occurred while attempting to reset student attempt. Requesting user_id '
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f'{requesting_user_data.id} does not exist!'
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)
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return
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# reset problem state
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try:
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enrollment.reset_student_attempts(
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course_key,
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student,
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usage_key,
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requesting_user=requesting_user,
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delete_module=True,
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)
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except (StudentModule.DoesNotExist, enrollment.sub_api.SubmissionError):
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log.error(
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'Error occurred while attempting to reset module state for user_id '
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f'{student.id} for content_id {content_id}.'
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)
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# In some cases, reset_student_attempts does not clear the entire exam's completion state.
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# One example of this is an exam with multiple units (verticals) within it and the learner
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# never viewing one of the units. All of the content in that unit will still be marked complete,
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# but the reset code is unable to handle clearing the completion in that scenario.
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update_exam_completion_task.apply_async((student.username, content_id, 0.0))
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