377 lines
13 KiB
Python
377 lines
13 KiB
Python
"""Location app models."""
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from django.conf import settings
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from django.contrib.gis.db import models
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from django.db.models.signals import post_save
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from django.db.transaction import on_commit
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from django.dispatch import receiver
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from django.utils.translation import gettext_lazy as _
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from functools import reduce
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from typing import List
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from translation.models import Language
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from utils.models import (ProjectBaseMixin, SVGImageMixin, TJSONField,
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TranslatedFieldsMixin, get_current_locale,
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IntermediateGalleryModelMixin, GalleryModelMixin)
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class CountryQuerySet(models.QuerySet):
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"""Country queryset."""
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def active(self, switcher=True):
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"""Filter only active users."""
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return self.filter(is_active=switcher)
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class Country(TranslatedFieldsMixin, SVGImageMixin, ProjectBaseMixin):
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"""Country model."""
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STR_FIELD_NAME = 'name'
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TWELVE_HOURS_FORMAT_COUNTRIES = [
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'ca', # Canada
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'au', # Australia
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'us', # USA
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'nz', # New Zealand
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]
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name = TJSONField(null=True, blank=True, default=None,
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verbose_name=_('Name'), help_text='{"en-GB":"some text"}')
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code = models.CharField(max_length=255, unique=True, verbose_name=_('Code'))
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low_price = models.IntegerField(default=25, verbose_name=_('Low price'))
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high_price = models.IntegerField(default=50, verbose_name=_('High price'))
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languages = models.ManyToManyField(Language, verbose_name=_('Languages'))
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is_active = models.BooleanField(_('is active'), default=True)
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old_id = models.IntegerField(null=True, blank=True, default=None)
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objects = CountryQuerySet.as_manager()
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@property
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def time_format(self):
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if self.code.lower() not in self.TWELVE_HOURS_FORMAT_COUNTRIES:
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return 'HH:mm'
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return 'hh:mmA'
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@property
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def country_id(self):
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return self.id
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class Meta:
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"""Meta class."""
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verbose_name_plural = _('Countries')
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verbose_name = _('Country')
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def __str__(self):
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str_name = self.code
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if isinstance(self.name, dict):
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translated_name = self.name.get(get_current_locale())
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if translated_name:
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str_name = translated_name
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return str_name
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class RegionQuerySet(models.QuerySet):
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"""QuerySet for model Region."""
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def without_parent_region(self, switcher: bool = True):
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"""Filter regions by parent region."""
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return self.filter(parent_region__isnull=switcher)
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def by_region_id(self, region_id):
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"""Filter regions by region id."""
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return self.filter(id=region_id)
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def by_sub_region_id(self, sub_region_id):
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"""Filter sub regions by sub region id."""
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return self.filter(parent_region_id=sub_region_id)
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def sub_regions_by_region_id(self, region_id):
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"""Filter regions by sub region id."""
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return self.filter(parent_region_id=region_id)
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class Region(models.Model):
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"""Region model."""
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name = models.CharField(_('name'), max_length=250)
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code = models.CharField(_('code'), max_length=250)
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parent_region = models.ForeignKey(
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'self', verbose_name=_('parent region'), null=True,
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blank=True, default=None, on_delete=models.CASCADE)
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country = models.ForeignKey(
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Country, verbose_name=_('country'), on_delete=models.CASCADE)
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old_id = models.IntegerField(null=True, blank=True, default=None)
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objects = RegionQuerySet.as_manager()
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class Meta:
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"""Meta class."""
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verbose_name_plural = _('regions')
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verbose_name = _('region')
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def __str__(self):
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return self.name
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class CityQuerySet(models.QuerySet):
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"""Extended queryset for City model."""
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def _generic_search(self, value, filter_fields_names: List[str]):
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"""Generic method for searching value in specified fields"""
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filters = [
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{f'{field}__icontains': value}
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for field in filter_fields_names
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]
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return self.filter(reduce(lambda x, y: x | y, [models.Q(**i) for i in filters]))
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def search_by_name(self, value):
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"""Search by name or last_name."""
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return self._generic_search(value, ['name', 'code', 'postal_code'])
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def by_country_code(self, code):
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"""Return establishments by country code"""
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return self.filter(country__code=code)
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class City(GalleryModelMixin):
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"""Region model."""
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name = models.CharField(_('name'), max_length=250)
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code = models.CharField(_('code'), max_length=250)
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region = models.ForeignKey(
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Region, verbose_name=_('parent region'), on_delete=models.CASCADE)
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country = models.ForeignKey(
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Country, verbose_name=_('country'), on_delete=models.CASCADE)
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postal_code = models.CharField(
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_('postal code'), max_length=10, default='', help_text=_('Ex.: 350018'))
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is_island = models.BooleanField(_('is island'), default=False)
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old_id = models.IntegerField(null=True, blank=True, default=None)
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gallery = models.ManyToManyField('gallery.Image', through='CityGallery')
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objects = CityQuerySet.as_manager()
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class Meta:
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verbose_name_plural = _('cities')
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verbose_name = _('city')
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def __str__(self):
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return self.name
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class CityGallery(IntermediateGalleryModelMixin):
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"""Gallery for model City."""
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city = models.ForeignKey(City, null=True,
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related_name='city_gallery',
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on_delete=models.CASCADE,
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verbose_name=_('city'))
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image = models.ForeignKey('gallery.Image', null=True,
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related_name='city_gallery',
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on_delete=models.CASCADE,
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verbose_name=_('image'))
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class Meta:
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"""CityGallery meta class."""
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verbose_name = _('city gallery')
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verbose_name_plural = _('city galleries')
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unique_together = (('city', 'is_main'), ('city', 'image'))
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class Address(models.Model):
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"""Address model."""
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city = models.ForeignKey(City, verbose_name=_('city'), on_delete=models.CASCADE)
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street_name_1 = models.CharField(
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_('street name 1'), max_length=500, blank=True, default='')
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street_name_2 = models.CharField(
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_('street name 2'), max_length=500, blank=True, default='')
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number = models.IntegerField(_('number'), blank=True, default=0)
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postal_code = models.CharField(
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_('postal code'), max_length=10, blank=True,
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default='', help_text=_('Ex.: 350018'))
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coordinates = models.PointField(
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_('Coordinates'), blank=True, null=True, default=None)
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old_id = models.IntegerField(null=True, blank=True, default=None)
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class Meta:
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"""Meta class."""
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verbose_name_plural = _('Address')
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verbose_name = _('Address')
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def __str__(self):
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return f'{self.id}: {self.get_street_name()[:50]}'
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def get_street_name(self):
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return self.street_name_1 or self.street_name_2
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@property
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def latitude(self):
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return self.coordinates.y if self.coordinates else float(0)
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@property
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def longitude(self):
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return self.coordinates.x if self.coordinates else float(0)
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@property
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def location_field_indexing(self):
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return {'lat': self.latitude,
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'lon': self.longitude}
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@property
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def country_id(self):
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return self.city.country_id
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class WineRegionQuerySet(models.QuerySet):
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"""Wine region queryset."""
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def with_sub_region_related(self):
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return self.prefetch_related('wine_sub_region')
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def having_wines(self, value=True):
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"""Return qs with regions, which have any wine related to them"""
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return self.exclude(wineoriginaddress__product__isnull=value)
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class WineRegion(TranslatedFieldsMixin, models.Model):
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"""Wine region model."""
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name = models.CharField(_('name'), max_length=255)
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country = models.ForeignKey(Country, on_delete=models.PROTECT,
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blank=True, null=True, default=None,
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verbose_name=_('country'))
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coordinates = models.PointField(
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_('Coordinates'), blank=True, null=True, default=None)
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old_id = models.PositiveIntegerField(_('old id'), default=None,
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blank=True, null=True)
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description = TJSONField(blank=True, null=True, default=None,
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verbose_name=_('description'),
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help_text='{"en-GB":"some text"}')
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tags = models.ManyToManyField('tag.Tag', blank=True,
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related_name='wine_regions',
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help_text='attribute from legacy db')
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objects = WineRegionQuerySet.as_manager()
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class Meta:
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"""Meta class."""
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verbose_name_plural = _('wine regions')
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verbose_name = _('wine region')
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def __str__(self):
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"""Override dunder method."""
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return self.name
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class WineSubRegionQuerySet(models.QuerySet):
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"""Wine sub region QuerySet."""
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class WineSubRegion(models.Model):
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"""Wine sub region model."""
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name = models.CharField(_('name'), max_length=255)
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wine_region = models.ForeignKey(WineRegion, on_delete=models.PROTECT,
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related_name='wine_sub_region',
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verbose_name=_('wine sub region'))
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old_id = models.PositiveIntegerField(_('old id'), default=None,
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blank=True, null=True)
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objects = WineSubRegionQuerySet.as_manager()
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class Meta:
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"""Meta class."""
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verbose_name_plural = _('wine sub regions')
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verbose_name = _('wine sub region')
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def __str__(self):
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"""Override dunder method."""
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return self.name
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class WineVillageQuerySet(models.QuerySet):
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"""Wine village QuerySet."""
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class WineVillage(models.Model):
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"""
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Wine village.
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Description: Imported from legacy DB.
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"""
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name = models.CharField(_('name'), max_length=255)
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wine_region = models.ForeignKey(WineRegion, on_delete=models.PROTECT,
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verbose_name=_('wine region'))
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old_id = models.PositiveIntegerField(_('old id'), default=None,
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blank=True, null=True)
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objects = WineVillageQuerySet.as_manager()
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class Meta:
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"""Meta class."""
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verbose_name = _('wine village')
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verbose_name_plural = _('wine villages')
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def __str__(self):
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"""Override str dunder."""
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return self.name
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class WineOriginAddressMixin(models.Model):
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"""Model for wine origin address."""
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wine_region = models.ForeignKey('location.WineRegion', on_delete=models.CASCADE,
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verbose_name=_('wine region'))
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wine_sub_region = models.ForeignKey('location.WineSubRegion', on_delete=models.CASCADE,
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blank=True, null=True, default=None,
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verbose_name=_('wine sub region'))
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class Meta:
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"""Meta class."""
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abstract = True
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class EstablishmentWineOriginAddressQuerySet(models.QuerySet):
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"""QuerySet for EstablishmentWineOriginAddress model."""
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class EstablishmentWineOriginAddress(WineOriginAddressMixin):
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"""Establishment wine origin address model."""
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establishment = models.ForeignKey('establishment.Establishment', on_delete=models.CASCADE,
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related_name='wine_origins',
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verbose_name=_('product'))
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objects = EstablishmentWineOriginAddressQuerySet.as_manager()
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class Meta:
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"""Meta class."""
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verbose_name = _('establishment wine origin address')
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verbose_name_plural = _('establishment wine origin addresses')
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class WineOriginAddressQuerySet(models.QuerySet):
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"""QuerySet for WineOriginAddress model."""
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class WineOriginAddress(WineOriginAddressMixin):
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"""Wine origin address model."""
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product = models.ForeignKey('product.Product', on_delete=models.CASCADE,
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related_name='wine_origins',
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verbose_name=_('product'))
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objects = WineOriginAddressQuerySet.as_manager()
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class Meta:
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"""Meta class."""
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verbose_name = _('wine origin address')
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verbose_name_plural = _('wine origin addresses')
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# todo: Make recalculate price levels
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@receiver(post_save, sender=Country)
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def run_recalculate_price_levels(sender, instance, **kwargs):
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from establishment.tasks import recalculate_price_levels_by_country
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if settings.USE_CELERY:
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on_commit(lambda: recalculate_price_levels_by_country.delay(
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country_id=instance.id))
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else:
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on_commit(lambda: recalculate_price_levels_by_country(
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country_id=instance.id))
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