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@ -29,6 +29,7 @@ class Transaction(models.Model):
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def __unicode__(self):
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return u"%s for user %s (%s),%schecked" % (self.amount, self.user, self.transactionType, (self.checked and " " or " not "))
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# TODO: Find out what would happen if parent save/delete does not like us
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def save(self, *args, **kwargs):
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profile = self.user.get_profile()
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@ -38,14 +39,25 @@ class Transaction(models.Model):
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else:
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# update
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oldobj = Transaction.objects.get(id=self.id)
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profile.balance += (self.amount-oldobj.amount)
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if oldobj.user != self.user:
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oldprofile = oldobj.user.get_profile()
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oldprofile.balance -= oldobj.amount
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oldprofile.save()
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# just to be save, reget profile
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profile = self.user.get_profile()
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profile.balance += self.amount
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else:
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profile.balance += (self.amount-oldobj.amount)
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profile.save()
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super(Transaction, self).save(*args, **kwargs)
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def delete(self, *args, **kwargs):
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profile = self.user.get_profile()
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profile.balance -= self.amount
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@staticmethod
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def pre_delete_signal(sender, instance, **kwargs):
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profile = instance.user.get_profile()
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profile.balance -= instance.amount
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profile.save()
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super(Transaction, self).delete(*args, **kwargs)
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pre_delete.connect(Transaction.pre_delete_signal, sender=Transaction)
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class VirtualTransaction(models.Model):
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""" Represents a transaction between two users. """
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