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36 lines
1 KiB
Python
36 lines
1 KiB
Python
# Generated by Django 4.0.4 on 2022-04-27 18:30
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from django.db import migrations, models
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def forwards(apps, schema_editor):
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BasketItem = apps.get_model("purchase", "BasketItem")
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items = (
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BasketItem.objects.using(schema_editor.connection.alias)
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.all()
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.select_related("product")
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)
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for item in items:
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item.unit_price_cents = item.product.unit_price_cents
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BasketItem.objects.bulk_update(items, ["unit_price_cents"])
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class Migration(migrations.Migration):
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dependencies = [
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("purchase", "0005_alter_basket_options_alter_basketitem_options_and_more"),
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]
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operations = [
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migrations.AddField(
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model_name="basketitem",
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name="unit_price_cents",
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field=models.PositiveIntegerField(
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help_text="product's unit price in cents at the time of purchase",
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null=True,
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verbose_name="unit price (cents)",
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),
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),
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migrations.RunPython(forwards, migrations.RunPython.noop),
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]
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