# Generated by Django 4.2 on 2026-02-09 06:31

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


class Migration(migrations.Migration):

    initial = True

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

    operations = [
        migrations.CreateModel(
            name="Notification",
            fields=[
                (
                    "id",
                    models.BigAutoField(
                        auto_created=True,
                        primary_key=True,
                        serialize=False,
                        verbose_name="ID",
                    ),
                ),
                (
                    "type",
                    models.CharField(
                        choices=[
                            ("system", "系统通知"),
                            ("device", "设备通知"),
                            ("activity", "活动通知"),
                        ],
                        default="system",
                        max_length=20,
                        verbose_name="通知类型",
                    ),
                ),
                ("title", models.CharField(max_length=200, verbose_name="标题")),
                (
                    "description",
                    models.CharField(
                        blank=True, default="", max_length=500, verbose_name="摘要"
                    ),
                ),
                (
                    "content",
                    models.TextField(blank=True, default="", verbose_name="内容"),
                ),
                (
                    "image_url",
                    models.URLField(
                        blank=True, default="", max_length=500, verbose_name="图片URL"
                    ),
                ),
                (
                    "is_read",
                    models.BooleanField(default=False, verbose_name="是否已读"),
                ),
                (
                    "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"),
                ),
                (
                    "user",
                    models.ForeignKey(
                        on_delete=django.db.models.deletion.CASCADE,
                        related_name="notifications",
                        to=settings.AUTH_USER_MODEL,
                        verbose_name="用户",
                    ),
                ),
            ],
            options={
                "verbose_name": "通知",
                "verbose_name_plural": "通知",
                "db_table": "notification",
                "ordering": ["-created_at"],
            },
        ),
        migrations.AddIndex(
            model_name="notification",
            index=models.Index(
                fields=["user", "is_read"], name="notificatio_user_id_d569bc_idx"
            ),
        ),
        migrations.AddIndex(
            model_name="notification",
            index=models.Index(fields=["type"], name="notificatio_type_f65c28_idx"),
        ),
    ]