# Generated by Django 1.11.8 on 2018-04-01 13:00

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


class Migration(migrations.Migration):

    dependencies = [
        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
        ('data', '0032_page_description'),
    ]

    operations = [
        migrations.CreateModel(
            name='PageSnapshot',
            fields=[
                (
                    'id',
                    models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID'),
                ),
                ('timestamp', models.DateTimeField(auto_now_add=True)),
                ('comment', models.TextField(blank=True, null=True)),
                ('serialization', JSONField(blank=True, default=dict)),
                (
                    'page',
                    models.ForeignKey(
                        null=True, on_delete=django.db.models.deletion.SET_NULL, to='data.Page'
                    ),
                ),
                (
                    'user',
                    models.ForeignKey(
                        null=True, on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL
                    ),
                ),
            ],
            options={
                'ordering': ('-timestamp',),
            },
        ),
        migrations.AddField(
            model_name='page',
            name='snapshot',
            field=models.ForeignKey(
                null=True,
                on_delete=django.db.models.deletion.CASCADE,
                related_name='temporary_page',
                to='data.PageSnapshot',
            ),
        ),
    ]