# Generated by Django 5.2.15 on 2026-07-28 07:30

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


class Migration(migrations.Migration):

    dependencies = [
        ('licensing', '0005_alter_softwareentitlement_options_and_more'),
        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
    ]

    operations = [
        migrations.CreateModel(
            name='ClientSubscriptionPolicy',
            fields=[
                ('singleton_id', models.PositiveSmallIntegerField(default=1, editable=False, primary_key=True, serialize=False, verbose_name='固定配置标识')),
                ('mode', models.CharField(choices=[('off', '关闭'), ('observe', '仅检测'), ('enforce', '检测并门禁')], max_length=16, verbose_name='客户端策略')),
                ('created_at', models.DateTimeField(auto_now_add=True, verbose_name='创建时间')),
                ('updated_at', models.DateTimeField(auto_now=True, verbose_name='更新时间')),
                ('updated_by', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='client_subscription_policy_updates', to=settings.AUTH_USER_MODEL, verbose_name='最后操作人')),
            ],
            options={
                'verbose_name': '客户端订阅策略',
                'verbose_name_plural': '客户端订阅策略',
                'db_table': 'client_subscription_policy',
            },
        ),
        migrations.CreateModel(
            name='ClientSubscriptionPolicyAudit',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('previous_mode', models.CharField(blank=True, max_length=16, verbose_name='变更前策略')),
                ('mode', models.CharField(choices=[('off', '关闭'), ('observe', '仅检测'), ('enforce', '检测并门禁')], max_length=16, verbose_name='变更后策略')),
                ('reason', models.CharField(max_length=255, verbose_name='变更原因')),
                ('changed_at', models.DateTimeField(auto_now_add=True, verbose_name='变更时间')),
                ('changed_by', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='client_subscription_policy_audits', to=settings.AUTH_USER_MODEL, verbose_name='操作人')),
                ('policy', models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, related_name='audits', to='licensing.clientsubscriptionpolicy', verbose_name='客户端订阅策略')),
            ],
            options={
                'verbose_name': '客户端订阅策略审计',
                'verbose_name_plural': '客户端订阅策略审计',
                'db_table': 'client_subscription_policy_audit',
                'ordering': ('-changed_at', '-id'),
            },
        ),
        migrations.AddConstraint(
            model_name='clientsubscriptionpolicy',
            constraint=models.CheckConstraint(condition=models.Q(('singleton_id', 1)), name='client_subscription_policy_singleton_only'),
        ),
        migrations.AddIndex(
            model_name='clientsubscriptionpolicyaudit',
            index=models.Index(fields=['policy', 'changed_at'], name='client_subs_policy__05d186_idx'),
        ),
    ]