# Generated by Django 5.2 on 2025-05-07 03:40

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


class Migration(migrations.Migration):

    initial = True

    dependencies = [
        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
    ]

    operations = [
        migrations.CreateModel(
            name='Notification',
            fields=[
                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
                ('type', models.CharField(choices=[('permission_request', '权限申请'), ('permission_approved', '权限批准'), ('permission_rejected', '权限拒绝'), ('permission_expired', '权限过期'), ('system_notice', '系统通知')], max_length=20)),
                ('title', models.CharField(max_length=100)),
                ('content', models.TextField()),
                ('is_read', models.BooleanField(default=False)),
                ('related_resource', models.CharField(blank=True, max_length=100)),
                ('created_at', models.DateTimeField(auto_now_add=True)),
                ('receiver', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='received_notifications', to=settings.AUTH_USER_MODEL)),
                ('sender', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='sent_notifications', to=settings.AUTH_USER_MODEL)),
            ],
            options={
                'ordering': ['-created_at'],
                'indexes': [models.Index(fields=['receiver', '-created_at'], name='message_not_receive_e8d006_idx'), models.Index(fields=['type', 'is_read'], name='message_not_type_a0b1e3_idx')],
            },
        ),
    ]