# Generated by Django 1.10.5 on 2017-01-11 21:45
from __future__ import unicode_literals

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

import openslides.users.models
import openslides.utils.models


def create_openslides_groups(apps, schema_editor):
    """
    Creates the users.models.Group objects for each existing
    django.contrib.auth.models.Group object.
    """
    # We get the model from the versioned app registry;
    # if we directly import it, it will be the wrong version.
    DjangoGroup = apps.get_model("auth", "Group")
    Group = apps.get_model("users", "Group")
    for group in DjangoGroup.objects.all():
        Group.objects.create(group_ptr_id=group.pk, name=group.name)


class Migration(migrations.Migration):

    dependencies = [
        ("auth", "0008_alter_user_username_max_length"),
        ("users", "0002_user_misc_default_groups"),
    ]

    operations = [
        migrations.CreateModel(
            name="Group",
            fields=[
                (
                    "group_ptr",
                    models.OneToOneField(
                        auto_created=True,
                        on_delete=django.db.models.deletion.CASCADE,
                        parent_link=True,
                        primary_key=True,
                        serialize=False,
                        to="auth.Group",
                    ),
                )
            ],
            options={"default_permissions": ()},
            bases=(openslides.utils.models.RESTModelMixin, "auth.group"),
            managers=[("objects", openslides.users.models.GroupManager())],
        ),
        migrations.RunPython(create_openslides_groups),
    ]