# Generated by Django 5.0.10 on 2025-12-09 04:19

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


class Migration(migrations.Migration):

    dependencies = [
        ('inventory', '0006_reservation_cart_lock_expires_at_and_more'),
        ('orders', '0006_transaction_delete_payment_and_more'),
        ('products', '0010_alter_product_cost_price'),
        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
    ]

    operations = [
        migrations.CreateModel(
            name='ShowcaseItem',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('status', models.CharField(choices=[('available', 'Доступен'), ('in_cart', 'В корзине'), ('sold', 'Продан'), ('dismantled', 'Разобран')], db_index=True, default='available', max_length=20, verbose_name='Статус')),
                ('sold_at', models.DateTimeField(blank=True, null=True, verbose_name='Дата продажи')),
                ('cart_lock_expires_at', models.DateTimeField(blank=True, null=True, verbose_name='Блокировка истекает')),
                ('cart_session_id', models.CharField(blank=True, max_length=100, null=True, verbose_name='ID сессии корзины')),
                ('created_at', models.DateTimeField(auto_now_add=True, verbose_name='Создан')),
                ('updated_at', models.DateTimeField(auto_now=True, verbose_name='Обновлен')),
                ('locked_by_user', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='locked_showcase_items', to=settings.AUTH_USER_MODEL, verbose_name='Заблокировано пользователем')),
                ('product_kit', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='showcase_items', to='products.productkit', verbose_name='Шаблон комплекта')),
                ('showcase', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='showcase_items', to='inventory.showcase', verbose_name='Витрина')),
                ('sold_order_item', models.OneToOneField(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='sold_showcase_item', to='orders.orderitem', verbose_name='Позиция заказа (продажа)')),
            ],
            options={
                'verbose_name': 'Экземпляр на витрине',
                'verbose_name_plural': 'Экземпляры на витрине',
            },
        ),
        migrations.AddField(
            model_name='reservation',
            name='showcase_item',
            field=models.ForeignKey(blank=True, help_text='Для какого физического экземпляра создан резерв', null=True, on_delete=django.db.models.deletion.CASCADE, related_name='reservations', to='inventory.showcaseitem', verbose_name='Экземпляр на витрине'),
        ),
        migrations.AddIndex(
            model_name='reservation',
            index=models.Index(fields=['showcase_item'], name='inventory_r_showcas_8cfff5_idx'),
        ),
        migrations.AddIndex(
            model_name='showcaseitem',
            index=models.Index(fields=['showcase', 'status'], name='inventory_s_showcas_116f7f_idx'),
        ),
        migrations.AddIndex(
            model_name='showcaseitem',
            index=models.Index(fields=['product_kit', 'status'], name='inventory_s_product_785870_idx'),
        ),
        migrations.AddIndex(
            model_name='showcaseitem',
            index=models.Index(fields=['status', 'cart_lock_expires_at'], name='inventory_s_status_6acf05_idx'),
        ),
        migrations.AddIndex(
            model_name='showcaseitem',
            index=models.Index(fields=['locked_by_user', 'status'], name='inventory_s_locked__88eac9_idx'),
        ),
    ]