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182 lines
7.2 KiB
182 lines
7.2 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 import translation
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from django.utils.translation import ugettext_lazy 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
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from bitfield import BitField
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from manager import CountryManager, AreaManager
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from directories.models import Language, Currency
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from city.models import City
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from exposition.models import Exposition
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from place_exposition.models import PlaceExposition
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from conference.models import Conference
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from seminar.models import Seminar
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from webinar.models import Webinar
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from functions.signal_handlers import post_save_handler, pre_save_handler
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from service.models import Service
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from functions.db import db_table_exists
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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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flags = ['catalog', 'translator', 'participation', 'remote', 'tickets', 'visit', 'buildstand']
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class Area(TranslatableModel):
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"""
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Store information about geographical zones
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"""
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translations = TranslatedFields(
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name=models.CharField(verbose_name=_(u'Название'), max_length=255),
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)
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objects = AreaManager()
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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 countries(self):
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"""
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returns countries of current area
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"""
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lang = translation.get_language()
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return Country.objects.select_related('exposition_country')\
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.filter(exposition_country__country__isnull=False, translations__language_code=lang, area=self)\
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.distinct().order_by('translations__name')
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def expos(self):
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"""
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return expos that occur in current area
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"""
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countries = self.countries()
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return Exposition.objects.filter(country__in=countries)
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def get_sub_categories(self):
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"""
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returns list with countries data that connected to current area
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uses in search
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"""
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objects = [{'text': item.name, 'id': item.id, 'name': 'co', 'sub': True} for item in self.countries()]
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return objects
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def get_parent(self):
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"""
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returns empty dict, cause area has no parents
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uses in search
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"""
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return {}
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def get_index_text(self):
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"""
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returns string of names in all languages for indexing it in search engine
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"""
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translation.activate('ru')
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translations = self.translations.all()
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names = ' '.join([tr.name for tr in translations])
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return names
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class Country(TranslatableModel):
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"""
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Stores information about countries
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area- parent, city - child in search
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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(verbose_name=_(u'Url'), unique=True)
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old_url = models.CharField(verbose_name=_(u'Старый урл'), unique=True, max_length=55)
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# inflect name for russian language. example- в Росии
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inflect = models.CharField(verbose_name=_(u'Склонение'), max_length=255, blank=True)
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area = models.ForeignKey(Area, verbose_name=_(u'Географическая зона'))
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logo = models.ImageField(verbose_name='Logo', upload_to='country/logo/', blank=True, max_length=255)
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big_cities = models.ManyToManyField(City, verbose_name=_(u'Большые города'), blank=True, null=True, related_name='cities')
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capital = models.ForeignKey(City, verbose_name=_(u'Столица'), 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, verbose_name=_(u'Валюта'), blank=True, null=True)
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population = models.PositiveIntegerField(verbose_name=_(u'Население'), blank=True, null=True)
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teritory = models.PositiveIntegerField(verbose_name=_(u'Територия'), blank=True, null=True)
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timezone = models.FloatField(verbose_name=_(u'Часовой пояс'), blank=True, null=True)
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phone_code = models.PositiveIntegerField(verbose_name=_(u'Тел. Код страны'), blank=True, null=True)
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time_delivery = models.PositiveSmallIntegerField(blank=True, null=True)
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latitude = models.FloatField(verbose_name=_(u'Широта'), blank=True, null=True)
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longitude = models.FloatField(verbose_name=_(u'Долгота'), blank=True, null=True)
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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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country_code = models.CharField(verbose_name=_(u'Код страны(Alpha2)'), max_length=2)
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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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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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rules=models.TextField(blank=True),
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documents=models.TextField(blank=True),
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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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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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"""
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returns nearest expos in this country
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"""
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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_permanent_url(self):
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return self.catalog+self.url
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def expositions_number(self):
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return Exposition.objects.filter(country=self).count()
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def conferences_number(self):
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return Conference.objects.filter(country=self).count()
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def seminars_number(self):
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return Seminar.objects.filter(country=self).count()
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def webinars_number(self):
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return Webinar.objects.filter(country=self).count()
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def active_cities(self):
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result = list(set(City.used.active_qs().filter(country=self)))
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result.sort(key=lambda x: x.name)
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return result
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def get_sub_categories(self):
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objects = [{'text': item.name, 'id': item.id, 'name': 'ci', 'sub': False} for item in self.active_cities()]
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return objects
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def get_parent(self):
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parent = {'text': self.area.name, 'id': self.area.id, 'name': 'area'}
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return parent
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def get_index_text(self):
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"""
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returns string of names in all languages for indexing it in search engine
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"""
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translation.activate('ru')
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translations = self.translations.all()
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names = ' '.join([tr.name for tr in translations])
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return names
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pre_save.connect(pre_save_handler, sender=Country)
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post_save.connect(post_save_handler, sender=Country) |