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109 lines
3.6 KiB
Python
109 lines
3.6 KiB
Python
# Generated by Django 5.2.11 on 2026-02-18 13:30
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import django.db.models.deletion
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from django.db import migrations, models
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from django.db.migrations.state import StateApps
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import counter.fields
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def migrate_prices(apps: StateApps, schema_editor):
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Product = apps.get_model("counter", "Product")
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Price = apps.get_model("counter", "Price")
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prices = [
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Price(
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amount=p.selling_price,
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product=p,
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created_at=p.created_at,
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updated_at=p.updated_at,
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)
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for p in Product.objects.all()
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]
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Price.objects.bulk_create(prices)
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groups = [
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Price.groups.through(price=price, group=group)
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for price in Price.objects.select_related("product").prefetch_related(
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"product__buying_groups"
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)
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for group in price.product.buying_groups.all()
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]
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Price.groups.through.objects.bulk_create(groups)
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class Migration(migrations.Migration):
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dependencies = [
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("core", "0048_alter_user_options"),
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("counter", "0037_productformula"),
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]
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operations = [
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migrations.CreateModel(
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name="Price",
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fields=[
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(
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"id",
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models.AutoField(
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auto_created=True,
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primary_key=True,
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serialize=False,
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verbose_name="ID",
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),
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),
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(
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"amount",
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counter.fields.CurrencyField(
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decimal_places=2, max_digits=12, verbose_name="amount"
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),
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),
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(
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"is_always_shown",
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models.BooleanField(
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default=False,
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help_text=(
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"If this option is enabled, "
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"people will see this price and be able to pay it, "
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"even if another cheaper price exists. "
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"Else it will visible only if it is the cheapest available price."
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),
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verbose_name="always show",
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),
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),
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(
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"label",
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models.CharField(
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default="",
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help_text="A short label for easier differentiation if a user can see multiple prices.",
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max_length=32,
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verbose_name="label",
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blank=True,
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),
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),
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(
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"created_at",
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models.DateTimeField(auto_now_add=True, verbose_name="created at"),
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),
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(
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"updated_at",
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models.DateTimeField(auto_now=True, verbose_name="updated at"),
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),
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(
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"groups",
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models.ManyToManyField(
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related_name="prices", to="core.group", verbose_name="groups"
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),
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),
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(
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"product",
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models.ForeignKey(
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on_delete=django.db.models.deletion.CASCADE,
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related_name="prices",
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to="counter.product",
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verbose_name="product",
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),
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),
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],
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options={"verbose_name": "price"},
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),
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migrations.RunPython(migrate_prices, reverse_code=migrations.RunPython.noop),
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]
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