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https://github.com/bookwyrm-social/bookwyrm.git
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41 lines
1.2 KiB
Python
41 lines
1.2 KiB
Python
# Generated by Django 3.0.7 on 2020-11-04 18:15
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from django.db import migrations, models
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import django.db.models.deletion
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def set_default_edition(app_registry, schema_editor):
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db_alias = schema_editor.connection.alias
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works = app_registry.get_model("bookwyrm", "Work").objects.using(db_alias)
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editions = app_registry.get_model("bookwyrm", "Edition").objects.using(db_alias)
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for work in works:
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ed = editions.filter(parent_work=work, default=True).first()
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if not ed:
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ed = editions.filter(parent_work=work).first()
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work.default_edition = ed
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work.save()
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class Migration(migrations.Migration):
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dependencies = [
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("bookwyrm", "0007_auto_20201103_0014"),
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]
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operations = [
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migrations.AddField(
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model_name="work",
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name="default_edition",
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field=models.ForeignKey(
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null=True,
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on_delete=django.db.models.deletion.PROTECT,
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to="bookwyrm.Edition",
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),
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),
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migrations.RunPython(set_default_edition),
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migrations.RemoveField(
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model_name="edition",
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name="default",
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),
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]
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