# Generated by Django 5.2.12 on 2026-09-06 16:34

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


class Migration(migrations.Migration):

    initial = True

    dependencies = [
        ('core', '0001_initial'),
        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
    ]

    operations = [
        migrations.CreateModel(
            name='Brand',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('created_at', models.DateTimeField(auto_now_add=True)),
                ('updated_at', models.DateTimeField(auto_now=True)),
                ('is_deleted', models.BooleanField(default=False)),
                ('deleted_at', models.DateTimeField(blank=True, null=True)),
                ('ext_data', models.JSONField(blank=True, default=dict)),
                ('source_channel', models.CharField(blank=True, default='manual', max_length=32)),
                ('code', models.CharField(max_length=64)),
                ('name', models.CharField(max_length=128)),
                ('logo_url', models.URLField(blank=True, default='')),
                ('created_by', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='+', to=settings.AUTH_USER_MODEL)),
                ('org', models.ForeignKey(blank=True, help_text='所属组织（多机构预留）', null=True, on_delete=django.db.models.deletion.PROTECT, related_name='+', to='core.org')),
                ('tenant', models.ForeignKey(help_text='所属租户', on_delete=django.db.models.deletion.PROTECT, related_name='+', to='core.tenant')),
                ('updated_by', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='+', to=settings.AUTH_USER_MODEL)),
            ],
            options={
                'verbose_name_plural': '品牌',
                'db_table': 'catalog_brand',
                'ordering': ['code'],
                'unique_together': {('tenant', 'code')},
            },
        ),
        migrations.CreateModel(
            name='Category',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('created_at', models.DateTimeField(auto_now_add=True)),
                ('updated_at', models.DateTimeField(auto_now=True)),
                ('is_deleted', models.BooleanField(default=False)),
                ('deleted_at', models.DateTimeField(blank=True, null=True)),
                ('ext_data', models.JSONField(blank=True, default=dict)),
                ('source_channel', models.CharField(blank=True, default='manual', max_length=32)),
                ('code', models.CharField(help_text='分类代码', max_length=64)),
                ('name', models.CharField(max_length=128)),
                ('sort_order', models.IntegerField(default=0)),
                ('created_by', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='+', to=settings.AUTH_USER_MODEL)),
                ('org', models.ForeignKey(blank=True, help_text='所属组织（多机构预留）', null=True, on_delete=django.db.models.deletion.PROTECT, related_name='+', to='core.org')),
                ('parent', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='children', to='catalog.category')),
                ('tenant', models.ForeignKey(help_text='所属租户', on_delete=django.db.models.deletion.PROTECT, related_name='+', to='core.tenant')),
                ('updated_by', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='+', to=settings.AUTH_USER_MODEL)),
            ],
            options={
                'verbose_name_plural': '商品分类',
                'db_table': 'catalog_category',
                'ordering': ['sort_order', 'code'],
                'unique_together': {('tenant', 'code')},
            },
        ),
        migrations.CreateModel(
            name='Unit',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('created_at', models.DateTimeField(auto_now_add=True)),
                ('updated_at', models.DateTimeField(auto_now=True)),
                ('is_deleted', models.BooleanField(default=False)),
                ('deleted_at', models.DateTimeField(blank=True, null=True)),
                ('ext_data', models.JSONField(blank=True, default=dict)),
                ('source_channel', models.CharField(blank=True, default='manual', max_length=32)),
                ('code', models.CharField(help_text='单位代码，如 box/bottle/kg', max_length=16)),
                ('name', models.CharField(max_length=32)),
                ('is_base', models.BooleanField(default=True, help_text='是否基本单位')),
                ('created_by', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='+', to=settings.AUTH_USER_MODEL)),
                ('org', models.ForeignKey(blank=True, help_text='所属组织（多机构预留）', null=True, on_delete=django.db.models.deletion.PROTECT, related_name='+', to='core.org')),
                ('tenant', models.ForeignKey(help_text='所属租户', on_delete=django.db.models.deletion.PROTECT, related_name='+', to='core.tenant')),
                ('updated_by', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='+', to=settings.AUTH_USER_MODEL)),
            ],
            options={
                'verbose_name_plural': '计量单位',
                'db_table': 'catalog_unit',
                'unique_together': {('tenant', 'code')},
            },
        ),
        migrations.CreateModel(
            name='Product',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('created_at', models.DateTimeField(auto_now_add=True)),
                ('updated_at', models.DateTimeField(auto_now=True)),
                ('is_deleted', models.BooleanField(default=False)),
                ('deleted_at', models.DateTimeField(blank=True, null=True)),
                ('ext_data', models.JSONField(blank=True, default=dict)),
                ('source_channel', models.CharField(blank=True, default='manual', max_length=32)),
                ('code', models.CharField(help_text='商品编码（租户内唯一）', max_length=64)),
                ('name', models.CharField(max_length=255)),
                ('spec', models.CharField(blank=True, default='', help_text='规格', max_length=255)),
                ('barcode', models.CharField(blank=True, default='', max_length=64)),
                ('cost_price', models.DecimalField(decimal_places=4, default=0, help_text='参考成本价', max_digits=18)),
                ('sale_price', models.DecimalField(decimal_places=4, default=0, help_text='默认销售价', max_digits=18)),
                ('status', models.CharField(choices=[('active', '启用'), ('inactive', '停用')], default='active', max_length=16)),
                ('brand', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='products', to='catalog.brand')),
                ('category', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='products', to='catalog.category')),
                ('created_by', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='+', to=settings.AUTH_USER_MODEL)),
                ('org', models.ForeignKey(blank=True, help_text='所属组织（多机构预留）', null=True, on_delete=django.db.models.deletion.PROTECT, related_name='+', to='core.org')),
                ('tenant', models.ForeignKey(help_text='所属租户', on_delete=django.db.models.deletion.PROTECT, related_name='+', to='core.tenant')),
                ('updated_by', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='+', to=settings.AUTH_USER_MODEL)),
                ('base_unit', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='products', to='catalog.unit')),
            ],
            options={
                'verbose_name_plural': '商品档案',
                'db_table': 'catalog_product',
                'ordering': ['code'],
                'indexes': [models.Index(fields=['tenant', 'code'], name='catalog_pro_tenant__94eca2_idx'), models.Index(fields=['tenant', 'name'], name='catalog_pro_tenant__750d04_idx'), models.Index(fields=['tenant', 'barcode'], name='catalog_pro_tenant__b2c756_idx'), models.Index(fields=['tenant', 'category', '-created_at'], name='catalog_pro_tenant__697268_idx')],
                'unique_together': {('tenant', 'code')},
            },
        ),
    ]