99 lines
3.9 KiB
Python
99 lines
3.9 KiB
Python
# Generated by Django 4.2.7 on 2025-12-19 08:22
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import django.core.validators
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from django.db import migrations, models
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import django.db.models.deletion
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class Migration(migrations.Migration):
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dependencies = [
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("subscriptions", "0002_subscription_discount_amount_and_more"),
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]
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operations = [
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migrations.CreateModel(
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name="BulkDiscount",
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fields=[
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(
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"id",
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models.BigAutoField(
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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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"min_students",
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models.IntegerField(
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help_text="От какого количества учеников действует эта цена",
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validators=[django.core.validators.MinValueValidator(1)],
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verbose_name="Минимальное количество учеников",
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),
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),
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(
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"max_students",
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models.IntegerField(
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blank=True,
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help_text="До какого количества учеников действует эта цена. Если не указано - без ограничений",
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null=True,
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validators=[django.core.validators.MinValueValidator(1)],
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verbose_name="Максимальное количество учеников",
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),
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),
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(
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"total_price",
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models.DecimalField(
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decimal_places=2,
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help_text="Общая цена за указанное количество учеников",
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max_digits=10,
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validators=[django.core.validators.MinValueValidator(0)],
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verbose_name="Итоговая цена",
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),
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),
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(
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"created_at",
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models.DateTimeField(
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auto_now_add=True, verbose_name="Дата создания"
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),
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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="Дата обновления"),
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),
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(
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"plan",
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models.ForeignKey(
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on_delete=django.db.models.deletion.CASCADE,
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related_name="bulk_discounts",
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to="subscriptions.subscriptionplan",
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verbose_name="Тарифный план",
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),
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),
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],
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options={
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"verbose_name": "Прогрессирующая скидка",
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"verbose_name_plural": "Прогрессирующие скидки",
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"db_table": "bulk_discounts",
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"ordering": ["plan", "min_students"],
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"indexes": [
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models.Index(
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fields=["plan", "min_students"],
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name="bulk_discou_plan_id_7121b9_idx",
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)
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],
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},
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),
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migrations.AddConstraint(
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model_name="bulkdiscount",
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constraint=models.CheckConstraint(
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check=models.Q(
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("max_students__isnull", True),
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("max_students__gte", models.F("min_students")),
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_connector="OR",
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),
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name="max_students_gte_min_students",
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),
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),
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]
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