# Generated by Django 6.0.3 on 2026-03-22 12:16

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


class Migration(migrations.Migration):

    initial = True

    dependencies = [
        ('books', '0001_initial'),
        ('shelves', '0002_initial'),
    ]

    operations = [
        migrations.CreateModel(
            name='ShelfItem',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('quantity', models.PositiveIntegerField(default=0)),
                ('book', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='shelf_items', to='books.book')),
                ('shelf', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='book_items', to='shelves.shelf')),
            ],
            options={
                'constraints': [models.UniqueConstraint(fields=('book', 'shelf'), name='unique_book_per_shelf')],
            },
        ),
    ]