42 lines
1.5 KiB
Python
Executable File
42 lines
1.5 KiB
Python
Executable File
from django.db import models
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from django.urls import reverse
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from app.base.forms.fields import CurrencyField, DateTimeField
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from app.base.forms.utils import datetime_now
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from typing import TYPE_CHECKING
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if TYPE_CHECKING:
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from datetime import datetime
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from decimal import Decimal
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from app.base.models import Account, Booking
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class Transaction(models.Model):
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account: 'models.ForeignKey[Account]' = models.ForeignKey(
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'Account', on_delete=models.CASCADE, verbose_name='Konto')
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amount: 'models.DecimalField[Decimal]' = CurrencyField(
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'Betrag')
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booking: 'models.OneToOneField[Booking]|models.OneToOneField[None]' = \
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models.OneToOneField('Booking', on_delete=models.CASCADE,
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verbose_name='Zugehörige Zeitbuchung',
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blank=True, null=True, default=None)
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description = models.CharField(
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'Beschreibung', max_length=500)
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time_stamp: 'models.DateTimeField[datetime]' = DateTimeField(
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'Datum / Uhrzeit', editable=False)
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class Meta:
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verbose_name = 'Transaktion'
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verbose_name_plural = 'Transaktionen'
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def get_absolute_url(self):
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return reverse('transaction:detail', kwargs={'pk': self.pk})
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def __str__(self):
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return f'Transaktion über {self.amount}€ von {self.account}'
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def save(self, *args, **kwargs):
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if self._state.adding:
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self.time_stamp = datetime_now()
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return super().save(*args, **kwargs)
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