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106 lines
3.8 KiB
Python
106 lines
3.8 KiB
Python
from django.db import models
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from django.utils.translation import gettext_lazy as _
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from members.models import Member, Freizeit
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# Create your models here.
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class Ledger(models.Model):
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name = models.CharField(verbose_name=_('Name'), max_length=30)
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def __str__(self):
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return self.name
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class Statement(models.Model):
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short_description = models.CharField(verbose_name=_('Short description'),
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max_length=30,
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blank=True)
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explanation = models.TextField(verbose_name=_('Explanation'), blank=True)
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excursion = models.OneToOneField(Freizeit, verbose_name=_('Associated excursion'),
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blank=True,
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null=True,
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on_delete=models.SET_NULL)
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submitted = models.BooleanField(verbose_name=_('Submitted'), default=False)
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class Meta:
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permissions = [('may_edit_submitted_statements', 'Is allowed to edit submitted statements')]
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def __str__(self):
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if self.excursion is not None:
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return _('Statement: %(excursion)s') % {'excursion': str(self.excursion)}
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else:
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return self.short_description
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def submit(self):
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self.submitted = True
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self.save()
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def total_bills(self):
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return sum([bill.amount for bill in self.bill_set.all()])
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def total_transportation(self):
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if self.excursion is None:
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return 0
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exc = self.excursion
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return exc.kilometers_traveled * 0.2
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def total(self):
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return float(self.total_bills()) + self.total_transportation()
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class StatementSubmittedManager(models.Manager):
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def get_queryset(self):
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return super().get_queryset().filter(submitted=True)
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class StatementSubmitted(Statement):
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objects = StatementSubmittedManager()
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class Meta:
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proxy = True
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verbose_name = _('Submitted statement')
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verbose_name_plural = _('Submitted statements')
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permissions = (('may_manage_submitted_statements', 'Can view and manage submitted statements.'),)
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class Bill(models.Model):
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statement = models.ForeignKey(Statement, verbose_name=_('Statement'),
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on_delete=models.CASCADE)
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short_description = models.CharField(verbose_name=_('Short description'), max_length=30)
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explanation = models.TextField(verbose_name=_('Explanation'), blank=True)
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amount = models.DecimalField(max_digits=6, decimal_places=2, default=0)
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paid_by = models.ForeignKey(Member, verbose_name=_('Paid by'), null=True,
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on_delete=models.SET_NULL)
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refunded = models.BooleanField(verbose_name=_('Refunded'), default=False)
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proof = models.ImageField(_('Proof'), upload_to='bill_images', blank=True)
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def __str__(self):
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return "{} ({}€)".format(self.short_description, self.amount)
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def pretty_amount(self):
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return "{} €".format(self.amount)
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pretty_amount.admin_order_field = 'amount'
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class Transaction(models.Model):
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amount = models.DecimalField(max_digits=6, decimal_places=2)
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member = models.ForeignKey(Member, verbose_name=_('Recipient'),
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on_delete=models.CASCADE)
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statement = models.ForeignKey(Statement, verbose_name=_('Statement'),
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on_delete=models.CASCADE)
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confirmed = models.BooleanField(verbose_name=_('Confirmed'))
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class Receipt(models.Model):
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short_description = models.CharField(verbose_name=_('Short description'), max_length=30)
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ledger = models.ForeignKey(Ledger, blank=False, null=False, verbose_name=_('Ledger'),
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on_delete=models.CASCADE)
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amount = models.DecimalField(max_digits=6, decimal_places=2)
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comments = models.TextField()
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