# Generated by Django 4.1.2 on 2025-10-29 19:46

from django.db import migrations, models
import django.utils.timezone


class Migration(migrations.Migration):

    initial = True

    dependencies = [
    ]

    operations = [
        migrations.CreateModel(
            name='LocationGroupStatistics',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('warehouse_code', models.CharField(max_length=255, verbose_name='仓库代码')),
                ('warehouse_name', models.CharField(max_length=255, verbose_name='仓库名称')),
                ('layer', models.IntegerField(verbose_name='楼层')),
                ('location_group', models.CharField(max_length=20, verbose_name='库位组')),
                ('total_locations', models.IntegerField(default=0, verbose_name='组内总货位数')),
                ('used_locations', models.IntegerField(default=0, verbose_name='组内已用货位数')),
                ('available_locations', models.IntegerField(default=0, verbose_name='组内可用货位数')),
                ('utilization_rate', models.DecimalField(decimal_places=2, default=0, max_digits=5, verbose_name='使用率(%)')),
                ('location_type_breakdown', models.JSONField(default=dict, verbose_name='货位类型细分')),
                ('statistic_time', models.DateTimeField(default=django.utils.timezone.now, verbose_name='统计时间')),
            ],
            options={
                'verbose_name': '货位组统计',
                'verbose_name_plural': '货位组统计',
                'db_table': 'location_group_statistics',
                'ordering': ['warehouse_code', 'layer', 'location_group'],
            },
        ),
        migrations.CreateModel(
            name='LocationStatistics',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('warehouse_code', models.CharField(max_length=255, verbose_name='仓库代码')),
                ('warehouse_name', models.CharField(max_length=255, verbose_name='仓库名称')),
                ('layer', models.IntegerField(verbose_name='楼层')),
                ('t5_total', models.IntegerField(default=0, verbose_name='5货位总数')),
                ('t5_used', models.IntegerField(default=0, verbose_name='5货位已用')),
                ('t5_available', models.IntegerField(default=0, verbose_name='5货位可用')),
                ('t4_total', models.IntegerField(default=0, verbose_name='4货位总数')),
                ('t4_used', models.IntegerField(default=0, verbose_name='4货位已用')),
                ('t4_available', models.IntegerField(default=0, verbose_name='4货位可用')),
                ('s4_total', models.IntegerField(default=0, verbose_name='4单货位总数')),
                ('s4_used', models.IntegerField(default=0, verbose_name='4单货位已用')),
                ('s4_available', models.IntegerField(default=0, verbose_name='4单货位可用')),
                ('t2_total', models.IntegerField(default=0, verbose_name='2货位总数')),
                ('t2_used', models.IntegerField(default=0, verbose_name='2货位已用')),
                ('t2_available', models.IntegerField(default=0, verbose_name='2货位可用')),
                ('t1_total', models.IntegerField(default=0, verbose_name='散货位总数')),
                ('t1_used', models.IntegerField(default=0, verbose_name='散货位已用')),
                ('t1_available', models.IntegerField(default=0, verbose_name='散货位可用')),
                ('total_locations', models.IntegerField(default=0, verbose_name='总货位数')),
                ('total_used', models.IntegerField(default=0, verbose_name='总已用数')),
                ('total_available', models.IntegerField(default=0, verbose_name='总可用数')),
                ('utilization_rate', models.DecimalField(decimal_places=2, default=0, max_digits=5, verbose_name='使用率(%)')),
                ('statistic_time', models.DateTimeField(default=django.utils.timezone.now, verbose_name='统计时间')),
                ('is_latest', models.BooleanField(default=False, verbose_name='是否最新统计')),
            ],
            options={
                'verbose_name': '货位统计',
                'verbose_name_plural': '货位统计',
                'db_table': 'location_statistics',
                'ordering': ['-statistic_time', 'warehouse_code', 'layer'],
                'unique_together': {('warehouse_code', 'layer', 'statistic_time')},
            },
        ),
    ]