# Generated manually for frozen cohort membership.

import uuid

import django.db.models.deletion
from django.db import migrations, models


class Migration(migrations.Migration):
    dependencies = [("trading_studio", "0002_qualification_replay_v1")]

    operations = [
        migrations.CreateModel(
            name="CohortMembership",
            fields=[
                ("id", models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
                ("created_at", models.DateTimeField(auto_now_add=True)),
                ("updated_at", models.DateTimeField(auto_now=True)),
                ("ordinal", models.PositiveIntegerField()),
                ("member_id", models.UUIDField(unique=True)),
                ("provenance", models.CharField(max_length=80)),
                ("metadata", models.JSONField(default=dict)),
                ("cohort", models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name="memberships", to="trading_studio.tradingcohort")),
                ("strategy_version", models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, related_name="cohort_memberships", to="trading_studio.strategyversion")),
            ],
        ),
        migrations.AddConstraint(
            model_name="cohortmembership",
            constraint=models.UniqueConstraint(fields=("cohort", "ordinal"), name="unique_cohort_member_ordinal"),
        ),
    ]