from django.db import models from django.contrib.contenttypes.models import ContentType from django.utils.translation import ugettext_lazy as _ from orchestra.core import services 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.name class Rate(models.Model): service = models.ForeignKey('orders.Service', verbose_name=_("service")) 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(_("value"), max_digits=12, decimal_places=2) class Meta: unique_together = ('service', 'pack', 'quantity') def __unicode__(self): return "{}-{}".format(str(self.value), self.quantity) services.register(Pack, menu=False)