# Generated by Django 6.0 on 2026-01-26 00:00

import django.db.models.deletion
import django_tidb.fields
from django.conf import settings
from django.db import migrations, models


class Migration(migrations.Migration):

    dependencies = [
        ("labs", "0060_examattempt_submitted_expires_index"),
    ]

    operations = [
        migrations.CreateModel(
            name="ExamVoucher",
            fields=[
                (
                    "id",
                    django_tidb.fields.BigAutoRandomField(
                        primary_key=True, range=64, serialize=False, shard_bits=5
                    ),
                ),
                ("unique_code", models.CharField(max_length=34, unique=True)),
                ("valid_before", models.DateField(blank=True, null=True)),
                (
                    "used",
                    models.CharField(
                        choices=[("N", "N"), ("Y", "Y")], default="N", max_length=1
                    ),
                ),
                ("redeem_at", models.DateTimeField(blank=True, null=True)),
                ("marketing_code", models.CharField(blank=True, default="", max_length=100)),
                ("created_at", models.DateTimeField(auto_now_add=True)),
                ("updated_at", models.DateTimeField(auto_now=True)),
                (
                    "exam",
                    models.ForeignKey(
                        on_delete=django.db.models.deletion.CASCADE, to="labs.exam"
                    ),
                ),
                (
                    "redeem_by",
                    models.ForeignKey(
                        blank=True,
                        null=True,
                        on_delete=django.db.models.deletion.DO_NOTHING,
                        to=settings.AUTH_USER_MODEL,
                    ),
                ),
            ],
            options={
                "db_table": "exam_vouchers",
            },
        ),
        migrations.AddIndex(
            model_name="examvoucher",
            index=models.Index(fields=["exam", "used"], name="idx_ev_exam_used"),
        ),
    ]