115 lines
3.2 KiB
Python
115 lines
3.2 KiB
Python
import uuid
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from django.db import models
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class BaseModel(models.Model):
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uuid = models.UUIDField(default=uuid.uuid4, unique=True, editable=False)
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created_at = models.DateTimeField(auto_now_add=True)
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updated_at = models.DateTimeField(auto_now=True)
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class Meta:
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abstract = True
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class Market(BaseModel):
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class Status(models.TextChoices):
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DRAFT = "draft", "Draft"
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OPEN = "open", "Open"
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CLOSED = "closed", "Closed"
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RESOLVED = "resolved", "Resolved"
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title = models.CharField(max_length=255)
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description = models.TextField(blank=True)
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status = models.CharField(
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max_length=10, choices=Status.choices, default=Status.DRAFT
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)
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end_date = models.DateTimeField()
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multiplier = models.FloatField(default=1.0)
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created_by = models.ForeignKey("accounts.CustomUser", on_delete=models.PROTECT)
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winning_option = models.ForeignKey(
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"MarketOption",
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on_delete=models.SET_NULL,
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null=True,
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blank=True,
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related_name="market_won",
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)
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class Meta:
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ordering = ["-created_at"]
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indexes = [
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models.Index(fields=["status", "-created_at"]),
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models.Index(fields=["end_date"]),
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]
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def __str__(self):
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return self.title
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class MarketOption(BaseModel):
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market = models.ForeignKey(Market, on_delete=models.CASCADE, related_name="options")
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text = models.CharField(max_length=255)
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class Meta:
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ordering = ["text"]
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constraints = [
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models.UniqueConstraint(
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fields=["market", "text"],
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name="unique_market_option_text",
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),
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]
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indexes = [
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models.Index(fields=["market"]),
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]
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def __str__(self):
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return f"{self.market.title} - {self.text}"
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class UserBet(BaseModel):
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user = models.ForeignKey(
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"accounts.CustomUser", on_delete=models.CASCADE, related_name="bets"
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)
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option = models.ForeignKey(
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MarketOption, on_delete=models.CASCADE, related_name="user_bets"
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)
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amount = models.PositiveIntegerField()
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class Meta:
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constraints = [
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models.UniqueConstraint(
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fields=["user", "option"],
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name="unique_user_bet_per_option",
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),
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]
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indexes = [
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models.Index(fields=["user", "option"]),
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]
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def __str__(self):
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return f"{self.user.username} bet {self.amount} on {self.option.text}"
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class UserPointChange(BaseModel):
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class Reason(models.TextChoices):
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BET_PLACED = "bet_placed", "Bet Placed"
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BET_WON = "bet_won", "Bet Won"
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BET_LOST = "bet_lost", "Bet Lost"
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user = models.ForeignKey(
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"accounts.CustomUser", on_delete=models.CASCADE, related_name="point_changes"
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)
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market = models.ForeignKey(
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Market, on_delete=models.CASCADE, related_name="point_changes"
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)
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amount = models.IntegerField()
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reason = models.CharField(max_length=20, choices=Reason.choices)
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class Meta:
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ordering = ["-created_at"]
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indexes = [
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models.Index(fields=["user", "-created_at"]),
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]
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def __str__(self):
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return f"{self.user.username} {self.reason}: {self.amount} pts on {self.market.title}"
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