gault-millau/apps/collection/models.py
2019-08-21 09:58:45 +03:00

93 lines
2.8 KiB
Python

from django.db import models
from django.utils.translation import gettext_lazy as _
from django.contrib.postgres.fields import JSONField
from utils.models import ProjectBaseMixin
# Mixins
class CollectionNameMixin(models.Model):
"""CollectionName mixin"""
name = models.CharField(_('name'), max_length=250)
class Meta:
"""Meta class"""
abstract = True
class CollectionDateMixin(models.Model):
"""CollectionDate mixin"""
start = models.DateTimeField(_('start'))
end = models.DateTimeField(_('end'))
class Meta:
"""Meta class"""
abstract = True
# Models
class CollectionQuerySet(models.QuerySet):
"""QuerySet for model Collection"""
def by_country(self, country_id):
"""Filter collection by country id."""
return self.filter(country=country_id)
class Collection(ProjectBaseMixin, CollectionNameMixin, CollectionDateMixin):
"""Collection model."""
filters = JSONField(
_('filters'), null=True, blank=True,
default=None, help_text='{"key":"value"}')
selectors = JSONField(
_('selectors'), null=True, blank=True,
default=None, help_text='{"key":"value"}')
targets = JSONField(
_('targets'), null=True, blank=True,
default=None, help_text='{"key":"value"}')
country = models.ForeignKey(
'location.Country', verbose_name=_('country'), on_delete=models.CASCADE)
objects = CollectionQuerySet.as_manager()
class CollectionItemQuerySet(models.QuerySet):
"""QuerySet for model CollectionItem."""
def by_collection(self, collection_id):
"""Filter by collection id"""
return self.filter(collection=collection_id)
class CollectionItem(ProjectBaseMixin):
"""CollectionItem model."""
collection = models.ForeignKey(
Collection, verbose_name=_('collection'), on_delete=models.CASCADE)
item_type = models.IntegerField(verbose_name=_('item type identifier'))
item_ids = JSONField(
_('item_ids'), null=True, blank=True,
default=None, help_text='{"key":"value"}')
objects = CollectionItemQuerySet.as_manager()
class GuideQuerySet(models.QuerySet):
"""QuerySet for Guide."""
def by_collection_id(self, collection_id):
"""Filter by collection id"""
return self.filter(collection=collection_id)
class Guide(ProjectBaseMixin, CollectionNameMixin, CollectionDateMixin):
"""Guide model."""
guide_fk = models.ForeignKey(
'self', verbose_name=_('guide'), on_delete=models.CASCADE)
advertorials = JSONField(
_('advertorials'), null=True, blank=True,
default=None, help_text='{"key":"value"}')
collection = models.ForeignKey(
Collection, verbose_name=_('collection'), on_delete=models.CASCADE)
objects = GuideQuerySet.as_manager()