# Generated by Django 5.2.8 on 2026-05-08 07:40

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


class Migration(migrations.Migration):

    initial = True

    dependencies = [
        ('basic_info', '0026_transportvehicle_and_capacity'),
        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
    ]

    operations = [
        migrations.CreateModel(
            name='DeviceCategory',
            fields=[
                ('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')),
                ('id', models.BigAutoField(primary_key=True, serialize=False)),
                ('name', models.CharField(max_length=100, verbose_name='设备分类名称')),
                ('created_by', models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, related_name='created_mes_device_categories', to=settings.AUTH_USER_MODEL, verbose_name='创建人')),
                ('merchant', models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, related_name='mes_device_categories', to='basic_info.merchant', verbose_name='所属商户')),
                ('operator', models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, related_name='operated_mes_device_categories', to='basic_info.employee', verbose_name='操作人')),
            ],
            options={
                'verbose_name': '设备分类',
                'verbose_name_plural': '设备分类',
                'ordering': ['id'],
            },
        ),
        migrations.CreateModel(
            name='Device',
            fields=[
                ('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')),
                ('id', models.BigAutoField(primary_key=True, serialize=False)),
                ('name', models.CharField(max_length=100, verbose_name='设备名称')),
                ('extra', models.JSONField(blank=True, null=True, verbose_name='扩展参数')),
                ('created_by', models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, related_name='created_mes_devices', to=settings.AUTH_USER_MODEL, verbose_name='创建人')),
                ('merchant', models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, related_name='mes_devices', to='basic_info.merchant', verbose_name='所属商户')),
                ('operator', models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, related_name='operated_mes_devices', to='basic_info.employee', verbose_name='操作人')),
                ('category', models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, related_name='devices', to='mes.devicecategory', verbose_name='设备分类')),
            ],
            options={
                'verbose_name': '设备',
                'verbose_name_plural': '设备',
                'ordering': ['id'],
            },
        ),
        migrations.AddConstraint(
            model_name='devicecategory',
            constraint=models.UniqueConstraint(fields=('merchant', 'name'), name='unique_mes_device_category_name_per_merchant'),
        ),
        migrations.AddConstraint(
            model_name='device',
            constraint=models.UniqueConstraint(fields=('merchant', 'name'), name='unique_mes_device_name_per_merchant'),
        ),
    ]