54 lines
1.8 KiB
Python
54 lines
1.8 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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from django.db.models import Q
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class ContributionLedger(models.Model):
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class Activity(models.TextChoices):
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ATTENDANCE = "attendance", "Event attendance"
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POST = "post", "Published post"
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COMMENT = "comment", "Approved comment or reply"
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LIKE = "like", "Like given or received"
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SAVE = "save", "Save given or received"
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user = models.ForeignKey(
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settings.AUTH_USER_MODEL,
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on_delete=models.CASCADE,
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related_name="contribution_ledger_entries",
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)
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activity = models.CharField(max_length=20, choices=Activity.choices)
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source_type = models.CharField(max_length=32)
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source_id = models.CharField(max_length=80)
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effect_key = models.CharField(max_length=240, db_index=True)
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role = models.CharField(max_length=20)
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points = models.IntegerField()
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idempotency_key = models.UUIDField(default=uuid.uuid4, unique=True, editable=False)
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reversal_of = models.ForeignKey(
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"self",
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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="reversals",
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)
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reason = models.CharField(max_length=120, blank=True)
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created_at = models.DateTimeField(auto_now_add=True)
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class Meta:
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ordering = ["created_at", "id"]
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indexes = [
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models.Index(fields=["user", "activity"]),
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models.Index(fields=["source_type", "source_id"]),
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]
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constraints = [
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models.CheckConstraint(condition=~Q(points=0), name="gamification_nonzero_ledger_points"),
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]
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class ScoringEpoch(models.Model):
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"""The launch boundary for blog scoring; historical blog rows remain unscored."""
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id = models.PositiveSmallIntegerField(primary_key=True, default=1, editable=False)
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started_at = models.DateTimeField()
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