gault-millau/apps/partner/models.py
2020-01-30 16:37:48 +03:00

70 lines
2.7 KiB
Python

from django.db import models
from django.utils.translation import gettext_lazy as _
from django.utils import timezone
from django.contrib.postgres.fields import ArrayField
from establishment.models import Establishment
from utils.models import ImageMixin, ProjectBaseMixin
class PartnerQueryset(models.QuerySet):
def with_base_related(self):
return self.prefetch_related('partnertoestablishment_set', 'country')
class Partner(ProjectBaseMixin):
"""Partner model."""
PARTNER = 0
SPONSOR = 1
MODEL_TYPES = (
(PARTNER, _('Partner')),
(SPONSOR, _('Sponsor')),
)
old_id = models.PositiveIntegerField(_('old id'), blank=True, null=True, default=None)
name = models.CharField(_('name'), max_length=255, blank=True, null=True)
images = ArrayField(
models.URLField(verbose_name=_('Partner image URL')), blank=True, null=True, default=None,
)
establishment = models.ManyToManyField('establishment.Establishment', related_name='partners',
through='PartnerToEstablishment',
verbose_name=_('Establishments'))
type = models.PositiveSmallIntegerField(choices=MODEL_TYPES, default=PARTNER)
country = models.ForeignKey('location.Country', null=True, default=None, on_delete=models.SET_NULL)
objects = PartnerQueryset.as_manager()
class Meta:
verbose_name = _('partner')
verbose_name_plural = _('partners')
def __str__(self):
return f'{self.name}'
@property
def type_display(self):
return self.MODEL_TYPES[self.type][1]
class PartnerToEstablishmentQuerySet(models.QuerySet):
def with_base_related(self):
return self.prefetch_related('partner', 'partner__country')
class PartnerToEstablishment(models.Model):
partner_bind_date = models.DateTimeField(default=timezone.now, editable=False,
verbose_name=_('Date partner binded'))
starting_date = models.DateField(_('starting date'), blank=True, null=True)
expiry_date = models.DateField(_('expiry date'), blank=True, null=True)
price_per_month = models.DecimalField(_('price per month'), max_digits=10, decimal_places=2, blank=True, null=True)
url = models.URLField(verbose_name=_('Establishment to Partner URL'), null=True, blank=True, default=None)
image = models.URLField(verbose_name=_('Partner image URL'), null=True)
partner = models.ForeignKey(Partner, on_delete=models.CASCADE, null=True)
establishment = models.ForeignKey('establishment.Establishment', on_delete=models.CASCADE, null=True)
objects = PartnerToEstablishmentQuerySet.as_manager()