# Generated by Django 2.2.28 on 2025-06-01 09:58

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='Category',
            fields=[
                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('name', models.CharField(max_length=100)),
                ('description', models.TextField(blank=True)),
            ],
        ),
        migrations.CreateModel(
            name='WarehouseItem',
            fields=[
                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('name', models.CharField(max_length=255)),
                ('quantity', models.PositiveIntegerField()),
                ('description', models.TextField(blank=True, null=True)),
                ('created_at', models.DateTimeField(auto_now_add=True)),
                ('updated_at', models.DateTimeField(auto_now=True)),
                ('min_quantity', models.PositiveIntegerField(default=0)),
                ('unit_price', models.DecimalField(decimal_places=2, default=0, max_digits=10)),
                ('expiration_date', models.DateField(blank=True, null=True)),
                ('location', models.CharField(blank=True, max_length=100)),
                ('barcode', models.CharField(blank=True, max_length=100, null=True, unique=True)),
                ('category', models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, to='warehouse.Category')),
                ('created_by', models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='created_items', to=settings.AUTH_USER_MODEL)),
                ('updated_by', models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='updated_items', to=settings.AUTH_USER_MODEL)),
            ],
        ),
        migrations.CreateModel(
            name='WarehouseItemHistory',
            fields=[
                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('quantity_changed', models.IntegerField()),
                ('unit_price_changed', models.DecimalField(blank=True, decimal_places=2, max_digits=10, null=True)),
                ('changed_at', models.DateTimeField(auto_now_add=True)),
                ('description', models.TextField(blank=True, null=True)),
                ('history_type', models.CharField(choices=[('creation', 'Creation'), ('sale', 'Sale'), ('update', 'Update')], default='update', max_length=10)),
                ('changed_by', models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, to=settings.AUTH_USER_MODEL)),
                ('item', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='history', to='warehouse.WarehouseItem')),
            ],
            options={
                'ordering': ['-changed_at'],
            },
        ),
    ]