49 lines
1.9 KiB
Python
49 lines
1.9 KiB
Python
# Generated by Django 3.2.4 on 2021-06-17 13:01
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from django.db import migrations
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from django.db.models import Subquery, OuterRef
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from django_scopes import scopes_disabled
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from django.db import migrations, models
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import django.db.models.deletion
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def migrate_spaces(apps, schema_editor):
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with scopes_disabled():
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Recipe = apps.get_model('cookbook', 'Recipe')
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Step = apps.get_model('cookbook', 'Step')
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Ingredient = apps.get_model('cookbook', 'Ingredient')
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NutritionInformation = apps.get_model('cookbook', 'NutritionInformation')
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Step.objects.filter(recipe__isnull=True).delete()
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Ingredient.objects.filter(step__recipe__isnull=True).delete()
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NutritionInformation.objects.filter(recipe__isnull=True).delete()
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Step.objects.update(space=Subquery(Step.objects.filter(pk=OuterRef('pk')).values('recipe__space')[:1]))
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Ingredient.objects.update(space=Subquery(Ingredient.objects.filter(pk=OuterRef('pk')).values('step__recipe__space')[:1]))
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NutritionInformation.objects.update(space=Subquery(NutritionInformation.objects.filter(pk=OuterRef('pk')).values('recipe__space')[:1]))
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class Migration(migrations.Migration):
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dependencies = [
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('cookbook', '0136_auto_20210617_1343'),
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]
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operations = [
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migrations.RunPython(migrate_spaces),
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migrations.AlterField(
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model_name='ingredient',
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name='space',
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field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='cookbook.space'),
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),
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migrations.AlterField(
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model_name='nutritioninformation',
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name='space',
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field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='cookbook.space'),
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),
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migrations.AlterField(
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model_name='step',
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name='space',
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field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='cookbook.space'),
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),
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]
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