moviewyrm/bookwyrm/migrations/0099_readthrough_is_active.py

# Generated by Django 3.2.4 on 2021-09-22 16:53

from django.db import migrations, models


def set_active_readthrough(apps, schema_editor):
    """best-guess for deactivation date"""
    db_alias = schema_editor.connection.alias
    apps.get_model("bookwyrm", "ReadThrough").objects.using(db_alias).filter(
        start_date__isnull=False,
        finish_date__isnull=True,
    ).update(is_active=True)


def reverse_func(apps, schema_editor):
    """noop"""


class Migration(migrations.Migration):

    dependencies = [
        ("bookwyrm", "0098_auto_20210918_2238"),
    ]

    operations = [
        migrations.AddField(
            model_name="readthrough",
            name="is_active",
            field=models.BooleanField(default=False),
        ),
        migrations.RunPython(set_active_readthrough, reverse_func),
        migrations.AlterField(
            model_name="readthrough",
            name="is_active",
            field=models.BooleanField(default=True),
        ),
    ]