65 lines
2.6 KiB
Python
65 lines
2.6 KiB
Python
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from django.db import models
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from polymorphic.models import PolymorphicModel
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class Transaction(PolymorphicModel):
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class Meta:
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verbose_name = 'Транзакция'
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verbose_name_plural = 'Транзакции'
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user = models.ForeignKey('users.TGUser', related_name='transactions', on_delete=models.DO_NOTHING,
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db_constraint=False, verbose_name='Пользователь')
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date = models.DateTimeField(auto_now_add=True, verbose_name='Дата и время')
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value = models.DecimalField(decimal_places=5, max_digits=105, verbose_name='Значение')
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def __str__(self):
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return f'{self._meta.verbose_name} {self.user} от {self.date.strftime("%d.%m.%Y %H:%M")}'
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class ClickTransaction(Transaction):
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class Meta:
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verbose_name = 'Транзакция за клик'
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verbose_name_plural = 'Транзакции за клики'
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click = models.OneToOneField('clicks.Click', related_name='transaction', on_delete=models.CASCADE,
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verbose_name='Клик')
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class BetTransaction(Transaction):
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class Meta:
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verbose_name = 'Транзакция за ставку'
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verbose_name_plural = 'Транзакции за ставки'
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bet = models.ForeignKey('auction.Bet', related_name='transactions', on_delete=models.CASCADE,
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verbose_name='Ставка')
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refund_to = models.OneToOneField('users.BetTransaction', related_name='refunded_by', on_delete=models.CASCADE,
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null=True, blank=True,
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verbose_name='Какую транзакцию отменяет')
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def refund(self):
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return BetTransaction.objects.create(
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user_id=self.user_id,
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value=-self.value,
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bet_id=self.bet_id,
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refund_to_id=self.pk,
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)
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class CommissionTransaction(Transaction):
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class Meta:
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verbose_name = 'Комиссионная транзакция'
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verbose_name_plural = 'Комиссионные транзакции'
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parent_transaction = models.OneToOneField('users.BetTransaction', related_name='commission',
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on_delete=models.CASCADE, verbose_name='Родительская транзакция')
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class ReferralTransaction(Transaction):
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class Meta:
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verbose_name = 'Реферальная транзакция'
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verbose_name_plural = 'Реферальные транзакции'
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def __str__(self):
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return f'Начисление баллов по реферальной программе {self.user}'
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