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126 lines
4.4 KiB
126 lines
4.4 KiB
# -*- coding: utf-8 -*-
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from datetime import date
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from django.db import models
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from django.utils.translation import ugettext as _
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from django.contrib.contenttypes import generic
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from django.db.models.signals import post_save, pre_save
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from hvad.models import TranslatableModel, TranslatedFields, TranslationManager
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from bitfield import BitField
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# models
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from directories.models import Language, Currency
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from city.models import City
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from service.models import Service
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from exposition.models import Exposition
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from place_exposition.models import PlaceExposition
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from organiser.models import Organiser
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# func
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from functions.custom_fields import EnumField
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from functions.db import db_table_exists
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from functions.signal_handlers import post_save_handler, pre_save_handler
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from django.utils.translation import get_language as lang
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# check if table exist and create flags if true
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flags = [str(item.url) for item in Service.objects.all()] if db_table_exists('service_service') else []
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class CountryManager(TranslationManager):
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def all(self):
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"""
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hack
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"""
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return super(TranslationManager, self).all().filter(translations__language_code=lang()).order_by('translations__name')
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def safe_get(self, **kwargs):
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model = self.model
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try:
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return model.objects.get(**kwargs)
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except:
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return None
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class Area(TranslatableModel):
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translations = TranslatedFields(
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name = models.CharField(max_length=255),
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)
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def __unicode__(self):
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return self.lazy_translation_getter('name', unicode(self.pk))
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class Country(TranslatableModel):
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"""
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Create Country model
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Uses hvad.TranslatableModel which is child of django.db.models class
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"""
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objects = CountryManager()
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catalog = '/country/'
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services = BitField(flags=flags)
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url = models.SlugField(unique=True)
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# relations
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area = models.ForeignKey(Area)
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big_cities = models.ManyToManyField(City, blank=True, null=True, related_name='cities')
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capital = models.ForeignKey(City,blank=True, null=True, on_delete=models.PROTECT, related_name='capital')
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language = models.ManyToManyField(Language, blank=True, null=True)
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currency = models.ManyToManyField(Currency, blank=True, null=True)
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population = models.PositiveIntegerField(blank=True, null=True)
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teritory = models.PositiveIntegerField(blank=True, null=True)
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timezone = models.FloatField(blank=True, null=True)
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phone_code = models.PositiveIntegerField(blank=True, null=True)
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time_delivery = models.PositiveSmallIntegerField(blank=True, null=True)
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latitude = models.FloatField(blank=True, null=True)
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longitude = models.FloatField(blank=True, null=True)
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# fields saves information about creating and changing model
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created = models.DateTimeField(auto_now_add=True)
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modified = models.DateTimeField(auto_now=True)
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# connection with FileModel by ContentType
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files = generic.GenericRelation('file.FileModel',content_type_field='content_type', object_id_field='object_id')
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#translated fields
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translations = TranslatedFields(
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name = models.CharField(max_length=255),
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description = models.TextField(blank=True),
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transport = models.TextField(blank=True),
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#------visa inf
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rules = models.TextField(blank=True),
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documents = models.TextField(blank=True),#pdf?
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consulate = models.TextField(blank=True),
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#-----meta data
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title = models.CharField(max_length=255),
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descriptions = models.CharField(max_length=255),
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keywords = models.CharField(max_length=255),
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)
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country_code = models.CharField(max_length=2)
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# class Meta:
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# ordering = ['translations__name']
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def __unicode__(self):
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return self.lazy_translation_getter('name', unicode(self.pk))
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def get_events(self):
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now = date.today()
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return Exposition.objects.filter(data_begin__gte=now, country=self).order_by('data_begin')[:3]
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def get_places(self):
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return PlaceExposition.objects.filter(country=self)[:3]
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def get_organisers(self):
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return Organiser.objects.filter(country=self)
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def get_permanent_url(self):
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return self.catalog+self.url
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def events_catalog(self):
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return Exposition.catalog+'country-%s'%self.url
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def places_catalog(self):
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return PlaceExposition.catalog+'country-%s'%self.url
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post_save.connect(post_save_handler, sender=Country) |