195 lines
7.3 KiB
Python
195 lines
7.3 KiB
Python
import uuid
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from django.conf import settings
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from django.db import models
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class Question(models.Model):
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class Track(models.TextChoices):
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BEGINNER = "beginner", "入门"
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STANDARD = "standard", "标准"
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ADVANCED = "advanced", "进阶"
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OPEN = "open", "Open"
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slug = models.SlugField(unique=True)
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track = models.CharField(max_length=16, choices=Track.choices)
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tags = models.JSONField(default=list, blank=True)
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is_active = models.BooleanField(default=True)
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def __str__(self):
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return self.slug
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class QuestionVersion(models.Model):
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question = models.ForeignKey(Question, on_delete=models.CASCADE, related_name="versions")
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version = models.PositiveIntegerField()
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prompt = models.TextField()
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answer = models.CharField(max_length=200)
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explanation = models.TextField(blank=True)
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metadata = models.JSONField(default=dict, blank=True)
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created_at = models.DateTimeField(auto_now_add=True)
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class Meta:
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constraints = [
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models.UniqueConstraint(fields=("question", "version"), name="unique_question_version")
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]
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def __str__(self):
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return f"{self.question.slug} v{self.version}"
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class Contest(models.Model):
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class Kind(models.TextChoices):
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REALTIME = "realtime", "实时 1v1"
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DAILY = "daily", "今日挑战"
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PRACTICE = "practice", "单人闯关"
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WEEKLY = "weekly", "主题周赛"
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class Status(models.TextChoices):
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DRAFT = "draft", "草稿"
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PUBLISHED = "published", "已发布"
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CLOSED = "closed", "已结束"
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slug = models.SlugField(unique=True)
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title = models.CharField(max_length=120)
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kind = models.CharField(max_length=16, choices=Kind.choices)
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track = models.CharField(max_length=16, choices=Question.Track.choices)
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status = models.CharField(max_length=16, choices=Status.choices, default=Status.DRAFT)
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duration_seconds = models.PositiveIntegerField(default=60)
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starts_at = models.DateTimeField(null=True, blank=True)
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ends_at = models.DateTimeField(null=True, blank=True)
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def __str__(self):
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return self.title
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class ContestQuestion(models.Model):
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contest = models.ForeignKey(Contest, on_delete=models.CASCADE, related_name="contest_questions")
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question_version = models.ForeignKey(QuestionVersion, on_delete=models.PROTECT)
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order = models.PositiveIntegerField()
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points = models.PositiveIntegerField(default=100)
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class Meta:
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constraints = [
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models.UniqueConstraint(fields=("contest", "order"), name="unique_contest_question_order")
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]
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ordering = ["order"]
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class RealtimeMatch(models.Model):
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class Status(models.TextChoices):
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WAITING = "waiting", "等待对手"
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ACTIVE = "active", "进行中"
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COMPLETED = "completed", "已完成"
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CANCELLED = "cancelled", "已取消"
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id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
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contest = models.ForeignKey(Contest, on_delete=models.PROTECT)
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player_one = models.ForeignKey(
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settings.AUTH_USER_MODEL, on_delete=models.PROTECT, related_name="matches_as_player_one"
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)
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player_two = models.ForeignKey(
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settings.AUTH_USER_MODEL,
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null=True,
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blank=True,
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on_delete=models.PROTECT,
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related_name="matches_as_player_two",
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)
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status = models.CharField(max_length=16, choices=Status.choices, default=Status.WAITING)
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player_one_rating = models.PositiveIntegerField()
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player_two_rating = models.PositiveIntegerField(null=True, blank=True)
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winner = models.ForeignKey(
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settings.AUTH_USER_MODEL,
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null=True,
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blank=True,
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on_delete=models.PROTECT,
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related_name="won_matches",
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)
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created_at = models.DateTimeField(auto_now_add=True)
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started_at = models.DateTimeField(null=True, blank=True)
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completed_at = models.DateTimeField(null=True, blank=True)
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class Meta:
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indexes = [
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models.Index(
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fields=("contest", "status", "player_one_rating", "created_at"),
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name="matchmaking_lookup_idx",
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)
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]
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class ContestAttempt(models.Model):
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class Status(models.TextChoices):
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ACTIVE = "active", "进行中"
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SUBMITTED = "submitted", "已提交"
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EXPIRED = "expired", "已超时"
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id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
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contest = models.ForeignKey(Contest, on_delete=models.PROTECT, related_name="attempts")
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user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE, related_name="contest_attempts")
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match = models.ForeignKey(
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RealtimeMatch, null=True, blank=True, on_delete=models.PROTECT, related_name="attempts"
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)
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status = models.CharField(max_length=16, choices=Status.choices, default=Status.ACTIVE)
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score = models.PositiveIntegerField(default=0)
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correct_count = models.PositiveIntegerField(default=0)
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answer_count = models.PositiveIntegerField(default=0)
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duration_ms = models.PositiveIntegerField(default=0)
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submission_key = models.CharField(max_length=80, null=True, blank=True)
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started_at = models.DateTimeField(auto_now_add=True)
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submitted_at = models.DateTimeField(null=True, blank=True)
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class Meta:
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constraints = [
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models.UniqueConstraint(
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fields=("user", "submission_key"), name="unique_user_contest_submission"
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)
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]
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ordering = ["-started_at"]
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class ContestAnswer(models.Model):
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attempt = models.ForeignKey(ContestAttempt, on_delete=models.CASCADE, related_name="answers")
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contest_question = models.ForeignKey(ContestQuestion, on_delete=models.PROTECT)
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submitted_answer = models.CharField(max_length=200)
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is_correct = models.BooleanField()
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elapsed_ms = models.PositiveIntegerField()
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answered_at = models.DateTimeField(auto_now_add=True)
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class Meta:
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constraints = [
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models.UniqueConstraint(
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fields=("attempt", "contest_question"), name="unique_attempt_question_answer"
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)
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]
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class RatingHistory(models.Model):
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user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE, related_name="rating_history")
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match = models.ForeignKey(RealtimeMatch, on_delete=models.PROTECT, related_name="rating_changes")
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rating_before = models.PositiveIntegerField()
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rating_after = models.PositiveIntegerField()
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delta = models.SmallIntegerField()
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created_at = models.DateTimeField(auto_now_add=True)
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class LeaderboardSnapshot(models.Model):
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contest = models.ForeignKey(Contest, on_delete=models.CASCADE)
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track = models.CharField(max_length=16, choices=Question.Track.choices)
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period = models.CharField(max_length=40)
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rankings = models.JSONField(default=list)
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generated_at = models.DateTimeField(auto_now_add=True)
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class CheatFlag(models.Model):
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class Status(models.TextChoices):
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OPEN = "open", "待处理"
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DISMISSED = "dismissed", "已忽略"
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CONFIRMED = "confirmed", "已确认"
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attempt = models.ForeignKey(ContestAttempt, on_delete=models.CASCADE, related_name="cheat_flags")
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reason = models.CharField(max_length=120)
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evidence = models.JSONField(default=dict)
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status = models.CharField(max_length=16, choices=Status.choices, default=Status.OPEN)
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created_at = models.DateTimeField(auto_now_add=True)
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