42 lines
1.5 KiB
Python
Executable File
42 lines
1.5 KiB
Python
Executable File
from django.db import models
|
|
from django.urls import reverse
|
|
|
|
from app.base.forms.fields import CurrencyField, DateTimeField
|
|
from app.base.forms.utils import datetime_now
|
|
|
|
from typing import TYPE_CHECKING
|
|
if TYPE_CHECKING:
|
|
from datetime import datetime
|
|
from decimal import Decimal
|
|
from app.base.models import Account, Booking
|
|
|
|
|
|
class Transaction(models.Model):
|
|
account: 'models.ForeignKey[Account]' = models.ForeignKey(
|
|
'Account', on_delete=models.CASCADE, verbose_name='Konto')
|
|
amount: 'models.DecimalField[Decimal]' = CurrencyField(
|
|
'Betrag')
|
|
booking: 'models.OneToOneField[Booking]|models.OneToOneField[None]' = \
|
|
models.OneToOneField('Booking', on_delete=models.CASCADE,
|
|
verbose_name='Zugehörige Zeitbuchung',
|
|
blank=True, null=True, default=None)
|
|
description = models.CharField(
|
|
'Beschreibung', max_length=500)
|
|
time_stamp: 'models.DateTimeField[datetime]' = DateTimeField(
|
|
'Datum / Uhrzeit', editable=False)
|
|
|
|
class Meta:
|
|
verbose_name = 'Transaktion'
|
|
verbose_name_plural = 'Transaktionen'
|
|
|
|
def get_absolute_url(self):
|
|
return reverse('transaction:detail', kwargs={'pk': self.pk})
|
|
|
|
def __str__(self):
|
|
return f'Transaktion über {self.amount}€ von {self.account}'
|
|
|
|
def save(self, *args, **kwargs):
|
|
if not self.pk:
|
|
self.time_stamp = datetime_now()
|
|
return super().save(*args, **kwargs)
|