48 lines
1.5 KiB
Python
48 lines
1.5 KiB
Python
from django.db import models
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from django.utils.translation import ugettext_lazy as _
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from waffles.models import Event, UserProfile
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class Debt(models.Model):
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"""
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The total debt owed by debtor to debtee.
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If system is consistent this will be the sum of calculation.amount
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and settlement.amount
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"""
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amount = models.BigIntegerField(verbose_name=_("Amount owed"))
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debtor = models.ForeignKey(UserProfile, related_name="debtor", verbose_name=_("Debtor"))
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debtee = models.ForeignKey(UserProfile, related_name="debtee", verbose_name=_("Debtee"))
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class Meta:
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verbose_name = _('Total debt')
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verbose_name_plural = _('Total debts')
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class Calculation(models.Model):
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"""
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This is a single calculation of debt from an event.
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"""
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debt = models.ForeignKey(Debt, verbose_name=_("Connected debt"))
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event = models.ForeignKey(Event, verbose_name=_("Connected event"))
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amount = models.IntegerField(verbose_name=_("Amount owed"))
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date = models.DateTimeField(verbose_name=_("Date integrated"))
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class Meta:
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verbose_name = _('Calculation')
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verbose_name_plural = _('Calculations')
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class Settlement(models.Model):
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"""
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When part of or a whole debt is settled in 'cash'
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"""
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debt = models.ForeignKey(Debt, verbose_name=_("Connected debt"))
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date = models.DateField(verbose_name=_("Date made"))
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amount = models.IntegerField(verbose_name=_("Amount owed"))
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class Meta:
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verbose_name = _('Cash settlement')
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verbose_name_plural = _('Cash settlements')
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