django-orchestra/orchestra/apps/prices/models.py

43 lines
1.5 KiB
Python

from django.db import models
from django.contrib.contenttypes.models import ContentType
from django.utils.translation import ugettext_lazy as _
from . import settings
class Pack(models.Model):
account = models.ForeignKey('accounts.Account', verbose_name=_("account"),
related_name='packs')
name = models.CharField(_("pack"), max_length=128,
choices=settings.PRICES_PACKS,
default=settings.PRICES_DEFAULT_PACK)
def __unicode__(self):
return self.pack
class Price(models.Model):
description = models.CharField(_("description"), max_length=256, unique=True)
service = models.ForeignKey(ContentType, verbose_name=_("service"))
expression = models.CharField(_("match"), max_length=256)
tax = models.IntegerField(_("tax"), choices=settings.PRICES_TAXES,
default=settings.PRICES_DEFAUL_TAX)
active = models.BooleanField(_("is active"), default=True)
def __unicode__(self):
return self.description
class Rate(models.Model):
price = models.ForeignKey('prices.Price', verbose_name=_("price"))
pack = models.CharField(_("pack"), max_length=128, blank=True,
choices=(('', _("default")),) + settings.PRICES_PACKS)
quantity = models.PositiveIntegerField(_("quantity"), null=True, blank=True)
value = models.DecimalField(_("price"), max_digits=12, decimal_places=2)
class Meta:
unique_together = ('price', 'pack', 'quantity')
def __unicode__(self):
return self.price