82 lines
3.2 KiB
Python
82 lines
3.2 KiB
Python
# 题单应用信号处理
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from django.db.models.signals import post_save, post_delete
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from django.dispatch import receiver
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from .models import ProblemSetProblem, ProblemSetProgress, ProblemSetBadge, UserBadge
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from django.db import transaction
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import logging
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logger = logging.getLogger(__name__)
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@receiver(post_save, sender=ProblemSetProblem)
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def sync_progress_on_problem_change(sender, instance, created, **kwargs):
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"""当题单题目发生变化时，同步所有用户的进度"""
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try:
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with transaction.atomic():
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# 获取该题单的所有用户进度
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progresses = ProblemSetProgress.objects.filter(
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problemset=instance.problemset
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)
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# 批量更新所有用户的进度
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for progress in progresses:
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progress.update_progress()
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logger.info(f"已同步题单 {instance.problemset.id} 的所有用户进度")
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except Exception as e:
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logger.error(f"同步题单进度时出错: {e}")
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@receiver(post_delete, sender=ProblemSetProblem)
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def sync_progress_on_problem_delete(sender, instance, **kwargs):
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"""当题单题目被删除时，同步所有用户的进度并清理相关提交记录"""
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try:
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with transaction.atomic():
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# 清理该题目在题单中的所有提交记录
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from .models import ProblemSetSubmission
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ProblemSetSubmission.objects.filter(
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problemset=instance.problemset,
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problem=instance.problem
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).delete()
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# 获取该题单的所有用户进度
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progresses = ProblemSetProgress.objects.filter(
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problemset=instance.problemset
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)
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# 批量更新所有用户的进度
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for progress in progresses:
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progress.update_progress()
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logger.info(f"已同步题单 {instance.problemset.id} 的所有用户进度（删除题目后）")
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except Exception as e:
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logger.error(f"同步题单进度时出错: {e}")
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@receiver(post_save, sender=ProblemSetBadge)
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def sync_badges_on_badge_change(sender, instance, created, **kwargs):
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"""当题单奖章发生变化时，重新计算所有用户的奖章资格"""
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try:
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with transaction.atomic():
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# 重新计算该奖章的所有用户资格
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instance.recalculate_user_badges()
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logger.info(f"已重新计算题单 {instance.problemset.id} 的奖章 {instance.id} 的用户资格")
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except Exception as e:
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logger.error(f"重新计算奖章资格时出错: {e}")
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@receiver(post_delete, sender=ProblemSetBadge)
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def cleanup_badges_on_badge_delete(sender, instance, **kwargs):
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"""当题单奖章被删除时，清理相关的用户奖章记录"""
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try:
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with transaction.atomic():
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# 删除该奖章的所有用户奖章记录
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UserBadge.objects.filter(badge=instance).delete()
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logger.info(f"已清理奖章 {instance.id} 的所有用户奖章记录")
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except Exception as e:
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logger.error(f"清理用户奖章记录时出错: {e}")
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