# Generated by Django 3.0.8 on 2021-09-30 12:38

import mptt.fields

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

from users.models import Department


def rebuild_tree(apps, schema_editor):
    """Пересобирает данные дерева для Department"""
    Department.objects.rebuild()


class Migration(migrations.Migration):

    dependencies = [
        ('users', '0006_remove_position_department'),
    ]

    operations = [
        migrations.AlterModelOptions(
            name='department',
            options={},
        ),
        migrations.AddField(
            model_name='department',
            name='level',
            field=models.PositiveIntegerField(default=0, editable=False),
            preserve_default=False,
        ),
        migrations.AddField(
            model_name='department',
            name='lft',
            field=models.PositiveIntegerField(default=0, editable=False),
            preserve_default=False,
        ),
        migrations.AddField(
            model_name='department',
            name='parent',
            field=mptt.fields.TreeForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='children', to='users.Department'),
        ),
        migrations.AddField(
            model_name='department',
            name='rght',
            field=models.PositiveIntegerField(default=0, editable=False),
            preserve_default=False,
        ),
        migrations.AddField(
            model_name='department',
            name='tree_id',
            field=models.PositiveIntegerField(db_index=True, default=0, editable=False),
            preserve_default=False,
        ),
        migrations.RunPython(rebuild_tree),
    ]