118 lines
3.5 KiB
Python
118 lines
3.5 KiB
Python
import uuid
|
||
from django.db import models
|
||
from django_extensions.db.models import TimeStampedModel
|
||
from django.core.exceptions import ValidationError
|
||
from django.utils import timezone
|
||
from django.db.models.signals import post_save
|
||
from django.dispatch import receiver # 导入receiver
|
||
|
||
from account.models import Profile, RoleChoices, User
|
||
from task.models import Task
|
||
|
||
|
||
class Submission(TimeStampedModel):
|
||
id = models.UUIDField(
|
||
primary_key=True,
|
||
default=uuid.uuid4,
|
||
editable=False,
|
||
)
|
||
user = models.ForeignKey(
|
||
User,
|
||
on_delete=models.CASCADE,
|
||
related_name="my_submissions",
|
||
)
|
||
task = models.ForeignKey(Task, on_delete=models.CASCADE)
|
||
score = models.FloatField(default=0.0, verbose_name="分数")
|
||
html = models.TextField(null=True, blank=True, verbose_name="HTML代码")
|
||
css = models.TextField(null=True, blank=True, verbose_name="CSS代码")
|
||
js = models.TextField(null=True, blank=True, verbose_name="JS代码")
|
||
|
||
class Meta:
|
||
ordering = ("-created",)
|
||
|
||
def __str__(self):
|
||
return f"{self.user.username} - {self.task.title}"
|
||
|
||
def get_task_type(self):
|
||
"""
|
||
返回任务的具体类型（Challenge 或 Tutorial）
|
||
"""
|
||
return self.task.task_type
|
||
|
||
def update_score(self):
|
||
"""
|
||
更新当前Submission的分数
|
||
"""
|
||
ratings = self.ratings.all()
|
||
|
||
super_score = 0.0
|
||
admin_score = 0.0
|
||
normal_score = 0.0
|
||
|
||
for rating in ratings:
|
||
if rating.user.role == RoleChoices.SUPER:
|
||
super_score += rating.score
|
||
elif rating.user.role == RoleChoices.ADMIN:
|
||
admin_score += rating.score
|
||
else:
|
||
normal_score += rating.score
|
||
|
||
if ratings.exists():
|
||
total_score = super_score * 0.5 + admin_score * 0.3 + normal_score * 0.2
|
||
self.score = total_score / ratings.count()
|
||
else:
|
||
self.score = 0.0
|
||
|
||
self.save()
|
||
|
||
def save(self, *args, **kwargs):
|
||
super().save(*args, **kwargs)
|
||
# if self.score > 0:
|
||
# self.user.profile.update_total_score(self.score)
|
||
|
||
|
||
class Rating(models.Model):
|
||
user = models.ForeignKey(
|
||
User,
|
||
on_delete=models.CASCADE,
|
||
related_name="ratings",
|
||
)
|
||
submission = models.ForeignKey(
|
||
Submission,
|
||
on_delete=models.CASCADE,
|
||
related_name="ratings",
|
||
)
|
||
score = models.IntegerField(default=0, verbose_name="分数")
|
||
created = models.DateTimeField(auto_now_add=True)
|
||
|
||
class Meta:
|
||
unique_together = ("user", "submission")
|
||
|
||
def __str__(self):
|
||
return f"{self.user.username} 评分了 {self.submission.id}，分数是 {self.score}"
|
||
|
||
def clean(self):
|
||
"""
|
||
在保存之前检查用户当天的评分次数
|
||
"""
|
||
today_start = timezone.now().replace(hour=0, minute=0, second=0, microsecond=0)
|
||
today_end = today_start + timezone.timedelta(days=1)
|
||
count = Rating.objects.filter(
|
||
user=self.user, created__range=(today_start, today_end)
|
||
).count()
|
||
|
||
if self.user.role == RoleChoices.NORMAL and count >= 30:
|
||
raise ValidationError("普通用户每天最多只能评分30次。")
|
||
|
||
def save(self, *args, **kwargs):
|
||
self.clean()
|
||
super().save(*args, **kwargs)
|
||
|
||
|
||
@receiver(post_save, sender=Rating)
|
||
def update_submission_score_on_save(sender, instance, **kwargs):
|
||
"""
|
||
当Rating保存时，更新对应的Submission的平均分
|
||
"""
|
||
instance.submission.update_score()
|