gault-millau/apps/location/models.py

238 lines
7.6 KiB
Python

"""Location app models."""
from django.conf import settings
from django.contrib.gis.db import models
from django.db.models.signals import post_save
from django.db.transaction import on_commit
from django.dispatch import receiver
from django.utils.translation import gettext_lazy as _
from translation.models import Language
from utils.models import (ProjectBaseMixin, SVGImageMixin, TJSONField,
TranslatedFieldsMixin, get_current_locale)
class Country(TranslatedFieldsMixin, SVGImageMixin, ProjectBaseMixin):
"""Country model."""
STR_FIELD_NAME = 'name'
TWELVE_HOURS_FORMAT_COUNTRIES = [
'ca', # Canada
'au', # Australia
'us', # USA
'nz', # New Zealand
]
name = TJSONField(null=True, blank=True, default=None,
verbose_name=_('Name'), help_text='{"en-GB":"some text"}')
code = models.CharField(max_length=255, unique=True, verbose_name=_('Code'))
low_price = models.IntegerField(default=25, verbose_name=_('Low price'))
high_price = models.IntegerField(default=50, verbose_name=_('High price'))
languages = models.ManyToManyField(Language, verbose_name=_('Languages'))
old_id = models.IntegerField(null=True, blank=True, default=None)
@property
def time_format(self):
if self.code.lower() not in self.TWELVE_HOURS_FORMAT_COUNTRIES:
return 'HH:mm'
return 'hh:mmA'
@property
def country_id(self):
return self.id
class Meta:
"""Meta class."""
verbose_name_plural = _('Countries')
verbose_name = _('Country')
def __str__(self):
str_name = self.code
if isinstance(self.name, dict):
translated_name = self.name.get(get_current_locale())
if translated_name:
str_name = translated_name
return str_name
class Region(models.Model):
"""Region model."""
name = models.CharField(_('name'), max_length=250)
code = models.CharField(_('code'), max_length=250)
parent_region = models.ForeignKey(
'self', verbose_name=_('parent region'), null=True,
blank=True, default=None, on_delete=models.CASCADE)
country = models.ForeignKey(
Country, verbose_name=_('country'), on_delete=models.CASCADE)
old_id = models.IntegerField(null=True, blank=True, default=None)
class Meta:
"""Meta class."""
verbose_name_plural = _('regions')
verbose_name = _('region')
def __str__(self):
return self.name
class CityQuerySet(models.QuerySet):
"""Extended queryset for City model."""
def by_country_code(self, code):
"""Return establishments by country code"""
return self.filter(country__code=code)
class City(models.Model):
"""Region model."""
name = models.CharField(_('name'), max_length=250)
code = models.CharField(_('code'), max_length=250)
region = models.ForeignKey(
Region, verbose_name=_('parent region'), on_delete=models.CASCADE)
country = models.ForeignKey(
Country, verbose_name=_('country'), on_delete=models.CASCADE)
postal_code = models.CharField(
_('postal code'), max_length=10, default='', help_text=_('Ex.: 350018'))
is_island = models.BooleanField(_('is island'), default=False)
old_id = models.IntegerField(null=True, blank=True, default=None)
objects = CityQuerySet.as_manager()
class Meta:
verbose_name_plural = _('cities')
verbose_name = _('city')
def __str__(self):
return self.name
class Address(models.Model):
"""Address model."""
city = models.ForeignKey(City, verbose_name=_('city'), on_delete=models.CASCADE)
street_name_1 = models.CharField(
_('street name 1'), max_length=500, blank=True, default='')
street_name_2 = models.CharField(
_('street name 2'), max_length=500, blank=True, default='')
number = models.IntegerField(_('number'))
postal_code = models.CharField(
_('postal code'), max_length=10, blank=True,
default='', help_text=_('Ex.: 350018'))
coordinates = models.PointField(
_('Coordinates'), blank=True, null=True, default=None)
old_id = models.IntegerField(null=True, blank=True, default=None)
class Meta:
"""Meta class."""
verbose_name_plural = _('Address')
verbose_name = _('Address')
def __str__(self):
return f'{self.id}: {self.get_street_name()[:50]}'
def get_street_name(self):
return self.street_name_1 or self.street_name_2
@property
def latitude(self):
return self.coordinates.y if self.coordinates else float(0)
@property
def longitude(self):
return self.coordinates.x if self.coordinates else float(0)
@property
def location_field_indexing(self):
return {'lat': self.latitude,
'lon': self.longitude}
@property
def country_id(self):
return self.city.country_id
class WineRegionQuerySet(models.QuerySet):
"""Wine region queryset."""
class WineRegion(models.Model):
"""Wine region model."""
name = models.CharField(_('name'), max_length=255)
country = models.ForeignKey(Country, on_delete=models.PROTECT,
blank=True, null=True, default=None,
verbose_name=_('country'))
coordinates = models.PointField(
_('Coordinates'), blank=True, null=True, default=None)
old_id = models.PositiveIntegerField(_('old id'), default=None,
blank=True, null=True)
description = TJSONField(blank=True, null=True, default=None,
verbose_name=_('description'),
help_text='{"en-GB":"some text"}')
objects = WineRegionQuerySet.as_manager()
class Meta:
"""Meta class."""
verbose_name_plural = _('wine regions')
verbose_name = _('wine region')
class WineSubRegionQuerySet(models.QuerySet):
"""Wine sub region QuerySet."""
class WineSubRegion(models.Model):
"""Wine sub region model."""
name = models.CharField(_('name'), max_length=255)
wine_region = models.ForeignKey(WineRegion, on_delete=models.PROTECT,
verbose_name=_('wine sub region'))
old_id = models.PositiveIntegerField(_('old id'), default=None,
blank=True, null=True)
objects = WineSubRegionQuerySet.as_manager()
class Meta:
"""Meta class."""
verbose_name_plural = _('wine sub regions')
verbose_name = _('wine sub region')
class WineVillageQuerySet(models.QuerySet):
"""Wine village QuerySet."""
class WineVillage(models.Model):
"""
Wine village.
Description: Imported from legacy DB.
"""
name = models.CharField(_('name'), max_length=255)
wine_region = models.ForeignKey(WineRegion, on_delete=models.PROTECT,
verbose_name=_('wine region'))
old_id = models.PositiveIntegerField(_('old id'), default=None,
blank=True, null=True)
objects = WineVillageQuerySet.as_manager()
class Meta:
"""Meta class."""
verbose_name = _('wine village')
verbose_name_plural = _('wine villages')
# todo: Make recalculate price levels
@receiver(post_save, sender=Country)
def run_recalculate_price_levels(sender, instance, **kwargs):
from establishment.tasks import recalculate_price_levels_by_country
if settings.USE_CELERY:
on_commit(lambda: recalculate_price_levels_by_country.delay(
country_id=instance.id))
else:
on_commit(lambda: recalculate_price_levels_by_country(
country_id=instance.id))