48 lines
1.4 KiB
Python
48 lines
1.4 KiB
Python
from django.db import models
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from django.db.models import Sum
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from django.db.models.signals import post_save
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from django.dispatch import receiver
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from django_extensions.db.models import TimeStampedModel
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from account.models import Profile, User
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from task.models import Task
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class Submission(TimeStampedModel):
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user = models.ForeignKey(User, on_delete=models.CASCADE)
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task = models.ForeignKey(Task, on_delete=models.CASCADE)
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score = models.IntegerField(default=0)
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html = models.TextField(null=True, blank=True)
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css = models.TextField(null=True, blank=True)
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js = models.TextField(null=True, blank=True)
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def __str__(self):
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return f"{self.user.username} - {self.task.title}"
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def get_task_type(self):
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"""
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返回任务的具体类型（Challenge 或 Tutorial）
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"""
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return self.task.task_type
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def save(self, *args, **kwargs):
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super().save(*args, **kwargs)
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self.user.profile.update_total_score()
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# 信号处理函数
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@receiver(post_save, sender=Submission)
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def update_user_score(sender, instance, **kwargs):
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"""
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当 Submission 保存后，自动更新用户的总分
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"""
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total_score = (
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Submission.objects.filter(user=instance.user).aggregate(
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total_score=Sum("score")
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)["total_score"]
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or 0
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)
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profile, created = Profile.objects.get_or_create(user=instance.user)
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profile.total_score = total_score
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profile.save()
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