288 lines
10 KiB
Python
288 lines
10 KiB
Python
from django.db import models
|
||
from django.utils.timezone import now
|
||
|
||
from account.models import User
|
||
from problem.models import Problem
|
||
from utils.models import JSONField, RichTextField
|
||
|
||
|
||
class ProblemSet(models.Model):
|
||
"""题单模型"""
|
||
|
||
title = models.TextField(verbose_name="题单标题")
|
||
description = RichTextField(verbose_name="题单描述")
|
||
# 创建者
|
||
created_by = models.ForeignKey(
|
||
User, on_delete=models.CASCADE, verbose_name="创建者"
|
||
)
|
||
# 创建时间
|
||
create_time = models.DateTimeField(auto_now_add=True, verbose_name="创建时间")
|
||
# 更新时间
|
||
last_update_time = models.DateTimeField(auto_now=True, verbose_name="更新时间")
|
||
# 是否可见
|
||
visible = models.BooleanField(default=True, verbose_name="是否可见")
|
||
# 题单难度等级
|
||
difficulty = models.TextField(default="Easy", verbose_name="难度等级")
|
||
# 题单状态
|
||
status = models.TextField(
|
||
default="draft", verbose_name="状态"
|
||
) # active, archived, draft
|
||
# 截止时间（到期后自动解除防作弊隐藏）
|
||
end_time = models.DateTimeField(null=True, blank=True, verbose_name="截止时间")
|
||
|
||
class Meta:
|
||
db_table = "problemset"
|
||
ordering = ("-create_time",)
|
||
verbose_name = "题单"
|
||
verbose_name_plural = "题单"
|
||
|
||
def __str__(self):
|
||
return self.title
|
||
|
||
|
||
class ProblemSetProblem(models.Model):
|
||
"""题单题目关联模型"""
|
||
|
||
problemset = models.ForeignKey(
|
||
ProblemSet, on_delete=models.CASCADE, verbose_name="题单"
|
||
)
|
||
problem = models.ForeignKey(Problem, on_delete=models.CASCADE, verbose_name="题目")
|
||
# 在题单中的顺序
|
||
order = models.IntegerField(default=0, verbose_name="顺序")
|
||
# 是否为必做题
|
||
is_required = models.BooleanField(default=True, verbose_name="是否必做")
|
||
# 题目在题单中的分值
|
||
score = models.IntegerField(default=0, verbose_name="分值")
|
||
# 题目提示信息
|
||
hint = models.TextField(null=True, blank=True, verbose_name="提示")
|
||
|
||
class Meta:
|
||
db_table = "problemset_problem"
|
||
unique_together = (("problemset", "problem"),)
|
||
ordering = ("order",)
|
||
verbose_name = "题单题目"
|
||
verbose_name_plural = "题单题目"
|
||
|
||
def __str__(self):
|
||
return f"{self.problemset.title} - {self.problem.title}"
|
||
|
||
|
||
class ProblemSetBadge(models.Model):
|
||
"""题单奖章模型"""
|
||
|
||
problemset = models.ForeignKey(
|
||
ProblemSet, on_delete=models.CASCADE, verbose_name="题单"
|
||
)
|
||
name = models.TextField(verbose_name="奖章名称")
|
||
description = models.TextField(verbose_name="奖章描述")
|
||
# 奖章图标路径
|
||
icon = models.TextField(verbose_name="奖章图标")
|
||
# 获得条件：完成所有题目、完成指定数量题目、达到指定分数等
|
||
condition_type = models.TextField(
|
||
verbose_name="获得条件类型"
|
||
) # all_problems, problem_count, score
|
||
condition_value = models.IntegerField(default=0, verbose_name="条件值")
|
||
|
||
class Meta:
|
||
db_table = "problemset_badge"
|
||
verbose_name = "题单奖章"
|
||
verbose_name_plural = "题单奖章"
|
||
|
||
def __str__(self):
|
||
return f"{self.problemset.title} - {self.name}"
|
||
|
||
def recalculate_user_badges(self):
|
||
"""重新计算所有用户的徽章资格"""
|
||
# 获取所有已加入该题单的用户进度
|
||
user_progresses = ProblemSetProgress.objects.filter(problemset=self.problemset)
|
||
|
||
# 删除该徽章的所有现有用户徽章记录
|
||
UserBadge.objects.filter(badge=self).delete()
|
||
|
||
# 重新评估每个用户的徽章资格
|
||
for progress in user_progresses:
|
||
self._check_user_badge_eligibility(progress)
|
||
|
||
def _check_user_badge_eligibility(self, progress):
|
||
"""检查用户是否符合该徽章的条件"""
|
||
|
||
# 检查是否已经拥有该徽章
|
||
if UserBadge.objects.filter(user=progress.user, badge=self).exists():
|
||
return False
|
||
|
||
# 根据条件类型检查用户是否符合条件
|
||
if self.condition_type == "all_problems":
|
||
if progress.completed_problems_count == progress.total_problems_count:
|
||
UserBadge.objects.create(user=progress.user, badge=self)
|
||
return True
|
||
elif self.condition_type == "problem_count":
|
||
if progress.completed_problems_count >= self.condition_value:
|
||
UserBadge.objects.create(user=progress.user, badge=self)
|
||
return True
|
||
elif self.condition_type == "score":
|
||
if progress.total_score >= self.condition_value:
|
||
UserBadge.objects.create(user=progress.user, badge=self)
|
||
return True
|
||
|
||
return False
|
||
|
||
|
||
class ProblemSetProgress(models.Model):
|
||
"""题单进度模型"""
|
||
|
||
problemset = models.ForeignKey(
|
||
ProblemSet, on_delete=models.CASCADE, verbose_name="题单"
|
||
)
|
||
user = models.ForeignKey(User, on_delete=models.CASCADE, verbose_name="用户")
|
||
# 加入时间
|
||
join_time = models.DateTimeField(auto_now_add=True, verbose_name="加入时间")
|
||
# 完成时间
|
||
complete_time = models.DateTimeField(null=True, blank=True, verbose_name="完成时间")
|
||
# 是否完成
|
||
is_completed = models.BooleanField(default=False, verbose_name="是否完成")
|
||
# 完成进度百分比
|
||
progress_percentage = models.FloatField(default=0.0, verbose_name="完成进度")
|
||
# 已完成的题目数量
|
||
completed_problems_count = models.IntegerField(
|
||
default=0, verbose_name="已完成题目数"
|
||
)
|
||
# 总题目数量
|
||
total_problems_count = models.IntegerField(default=0, verbose_name="总题目数")
|
||
# 获得的总分
|
||
total_score = models.IntegerField(default=0, verbose_name="总分")
|
||
# 用户在该题单中的详细进度信息
|
||
# {"problem_id": {"score": 20, "submit_time": "2024-01-01T00:00:00Z"}}
|
||
progress_detail = JSONField(default=dict, verbose_name="详细进度")
|
||
|
||
class Meta:
|
||
db_table = "problemset_progress"
|
||
unique_together = (("problemset", "user"),)
|
||
verbose_name = "题单进度"
|
||
verbose_name_plural = "题单进度"
|
||
|
||
def __str__(self):
|
||
return f"{self.user.username} - {self.problemset.title}"
|
||
|
||
def update_progress(self):
|
||
"""更新进度信息"""
|
||
# 获取题单中的所有题目
|
||
problemset_problems = ProblemSetProblem.objects.filter(
|
||
problemset=self.problemset
|
||
)
|
||
self.total_problems_count = problemset_problems.count()
|
||
|
||
# 获取当前题单中所有题目的ID集合（直接用 problem_id FK 字段，无需额外查询）
|
||
current_problem_ids = {str(psp.problem_id) for psp in problemset_problems}
|
||
|
||
# 清理已删除题目的进度记录
|
||
progress_detail_to_remove = []
|
||
for problem_id in self.progress_detail.keys():
|
||
if problem_id not in current_problem_ids:
|
||
progress_detail_to_remove.append(problem_id)
|
||
|
||
for problem_id in progress_detail_to_remove:
|
||
del self.progress_detail[problem_id]
|
||
|
||
# 计算已完成题目数
|
||
completed_count = 0
|
||
total_score = 0
|
||
|
||
for psp in problemset_problems:
|
||
problem_id = str(psp.problem_id)
|
||
if problem_id in self.progress_detail:
|
||
problem_progress = self.progress_detail[problem_id]
|
||
completed_count += 1
|
||
total_score += psp.score
|
||
problem_progress["score"] = psp.score
|
||
|
||
self.completed_problems_count = completed_count
|
||
self.total_score = total_score
|
||
|
||
# 计算完成百分比
|
||
if self.total_problems_count > 0:
|
||
self.progress_percentage = (
|
||
completed_count / self.total_problems_count
|
||
) * 100
|
||
else:
|
||
self.progress_percentage = 0
|
||
|
||
# 检查是否完成
|
||
self.is_completed = completed_count == self.total_problems_count
|
||
if self.is_completed and not self.complete_time:
|
||
self.complete_time = now()
|
||
|
||
self.save()
|
||
|
||
@classmethod
|
||
def sync_all_progress_for_problemset(cls, problemset):
|
||
"""同步指定题单的所有用户进度"""
|
||
progresses = cls.objects.filter(problemset=problemset)
|
||
for progress in progresses:
|
||
progress.update_progress()
|
||
return progresses.count()
|
||
|
||
|
||
class ProblemSetSubmission(models.Model):
|
||
"""题单提交记录模型"""
|
||
|
||
problemset = models.ForeignKey(
|
||
ProblemSet, on_delete=models.CASCADE, verbose_name="题单"
|
||
)
|
||
user = models.ForeignKey(User, on_delete=models.CASCADE, verbose_name="用户")
|
||
submission = models.ForeignKey(
|
||
"submission.Submission", on_delete=models.CASCADE, verbose_name="提交记录"
|
||
)
|
||
problem = models.ForeignKey(
|
||
"problem.Problem", on_delete=models.CASCADE, verbose_name="题目"
|
||
)
|
||
|
||
class Meta:
|
||
db_table = "problemset_submission"
|
||
ordering = ("-submission__create_time",)
|
||
verbose_name = "题单提交记录"
|
||
verbose_name_plural = "题单提交记录"
|
||
indexes = [
|
||
models.Index(fields=["problemset", "user"]),
|
||
models.Index(fields=["problemset", "problem"]),
|
||
models.Index(fields=["user"]),
|
||
]
|
||
|
||
def __str__(self):
|
||
return f"{self.user.username} - {self.problemset.title} - {self.problem.title}"
|
||
|
||
@property
|
||
def submit_time(self):
|
||
"""提交时间"""
|
||
return self.submission.create_time
|
||
|
||
@property
|
||
def result(self):
|
||
"""提交结果"""
|
||
return self.submission.result
|
||
|
||
@property
|
||
def language(self):
|
||
"""编程语言"""
|
||
return self.submission.language
|
||
|
||
class UserBadge(models.Model):
|
||
"""用户奖章模型"""
|
||
|
||
user = models.ForeignKey(User, on_delete=models.CASCADE, verbose_name="用户")
|
||
badge = models.ForeignKey(
|
||
ProblemSetBadge, on_delete=models.CASCADE, verbose_name="奖章"
|
||
)
|
||
# 获得时间
|
||
earned_time = models.DateTimeField(auto_now_add=True, verbose_name="获得时间")
|
||
|
||
class Meta:
|
||
db_table = "user_badge"
|
||
unique_together = (("user", "badge"),)
|
||
verbose_name = "用户奖章"
|
||
verbose_name_plural = "用户奖章"
|
||
|
||
def __str__(self):
|
||
return f"{self.user.username} - {self.badge.name}"
|
||
|
||
|