6d7cc5ed16
- max_attempts enforcement in start_attempt: raises AttemptLimitError when quota of finalized attempts is exhausted (in_progress not counted) - Timer enforcement: start_attempt sets expired_at = now + time_limit_seconds; check_attempt_not_expired auto-finalizes and raises AttemptExpiredError on deadline breach - finalize_timed_out_attempt: grades partial responses, sets TIMED_OUT status - expire_timed_out_attempts Celery task: idempotent sweep of overdue in-progress attempts - Views: 409 on limit breach (start), 410 on expired response submit; timed_out result on submit - 14 unit + integration tests covering policy boundary conditions and API responses Co-Authored-By: Paperclip <noreply@paperclip.ing>
25 lines
717 B
Python
25 lines
717 B
Python
from celery import shared_task
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from django.utils.timezone import now
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@shared_task(name="quizzes.expire_timed_out_attempts")
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def expire_timed_out_attempts():
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"""
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Finalize all in-progress attempts whose deadline has passed.
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Scheduled by django-celery-beat; safe to run multiple times (idempotent per attempt).
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"""
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from .models import AttemptStatus, QuizAttempt
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from .services import finalize_timed_out_attempt
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expired = QuizAttempt.objects.filter(
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status=AttemptStatus.IN_PROGRESS,
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expired_at__lt=now(),
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).select_related("quiz")
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count = 0
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for attempt in expired:
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finalize_timed_out_attempt(attempt)
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count += 1
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return {"finalized": count}
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