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197 lines
7.3 KiB
197 lines
7.3 KiB
# -*- coding: utf-8 -*-
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from django.db import models
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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 django.utils.translation import ugettext as _
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#
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from hvad.models import TranslatableModel, TranslatedFields, TranslationManager
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#
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from functions.custom_fields import EnumField, LocationField
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from functions.signal_handlers import post_save_handler, pre_save_handler
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from functions.models_methods import ExpoManager
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import copy
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from functions.model_mixin import ExpoMixin
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from exposition.models import Exposition
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from place_conference.models import PlaceConference
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EXPOSITION_TYPE = (('Exposition complex', u'Выставочный комплекс'), ('Convention centre', u'Конгрессно-выставочный центр'),
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('Exposition centre', u'Выставочный центр'),)
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class PlaceExposition(TranslatableModel, ExpoMixin):
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"""
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Create PlaceConference model
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Uses hvad.TranslatableModel which is child of django.db.models class
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"""
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#set manager of this model
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objects = ExpoManager()
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url = models.SlugField(unique=True, max_length=255)
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country = models.ForeignKey('country.Country', on_delete=models.PROTECT)
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city = models.ForeignKey('city.City', on_delete=models.PROTECT)
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#type uses EnumField for creating Enum type field in Mysql database
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type = EnumField(values = [item1 for item1, item2 in EXPOSITION_TYPE])
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#information
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address = LocationField(verbose_name='Адресс')
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phone = models.BigIntegerField(blank=True, null=True)
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fax = models.BigIntegerField(blank=True, null=True)
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web_page = models.URLField(blank=True)
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email = models.EmailField(blank=True)
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#
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foundation_year = models.PositiveIntegerField(blank=True, null=True)
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event_in_year = models.PositiveIntegerField(blank=True, null=True)
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total_area = models.PositiveIntegerField(blank=True, null=True)
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closed_area = models.PositiveIntegerField(blank=True, null=True)
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open_area = models.PositiveIntegerField(blank=True, null=True)
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total_pavilions = models.PositiveIntegerField(blank=True, null=True)
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total_halls = models.PositiveIntegerField(blank=True, null=True)
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video_link = models.CharField(max_length=255, blank=True)
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virtual_tour = models.URLField(blank=True)
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#
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wifi = models.NullBooleanField()
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bank = models.NullBooleanField()
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children_room = models.NullBooleanField()
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disabled_service = models.NullBooleanField()
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conference_centre = models.NullBooleanField() #change name here, in form, in template
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business_centre = models.NullBooleanField()
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online_registration = models.NullBooleanField()
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cafe = models.NullBooleanField()
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terminals = models.NullBooleanField()
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parking = models.NullBooleanField()
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press_centre = models.NullBooleanField()
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mobile_application = models.NullBooleanField()
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#
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files = generic.GenericRelation('file.FileModel', content_type_field='content_type', object_id_field='object_id')
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photos = generic.GenericRelation('file.Photo', content_type_field='content_type', object_id_field='object_id')
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#translations is translated fields
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translations = TranslatedFields(
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name = models.CharField(max_length=100),
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main_title = models.TextField(blank=True),
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description = models.TextField(blank=True),
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adress = models.TextField(blank=True),
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#-----meta data
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title = models.CharField(max_length=250),
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descriptions = models.CharField(max_length=250),
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keywords = models.CharField(max_length=250),
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#
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total_year_action = models.TextField(blank=True),
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)
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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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views = models.PositiveIntegerField(default=0)
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is_published = models.BooleanField(default=1)
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class Meta:
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ordering = ['translations__name']
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def get_index_text(self):
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names = [tr.name for tr in self.translations.all()]
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return names
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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_object_type(self):
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return _(u'Места')
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def get_catalog_url(self):
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return '/places/'
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def get_permanent_url(self):
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url = '%splace-%s'%(self.get_catalog_url(), self.url)
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return url
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def get_logo(self):
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logo = self.files.filter(purpose='logo')
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if logo:
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return logo[0]
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return logo
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def get_photos(self):
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photos = self.photos.all()
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return photos
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def get_scheme(self):
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scheme = self.files.filter(purpose='scheme teritory')
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return scheme
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def events(self):
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events = Exposition.objects.filter(place=self)[:6]
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return events
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def get_nearest_places(self):
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pl_exp = PlaceExposition.objects.language().filter(city=self.city).exclude(id=self.id)[:3]
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pl_conf = PlaceConference.objects.language().filter(city=self.city)[:3]
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#return pl_exp[]
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return list(pl_exp)+ list(pl_conf)#PlaceExposition.objects.filter(city=self.city).exclude(id=self.id)
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def get_type(self):
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type = {'Convention centre': _(u'Конгессо-выставочный центр'), 'Exposition centre': _(u'Выставочный центр'),
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'Exposition complex': _(u'Выставочный комплекс')}
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return type.get(self.type)
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def clone(self):
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"""
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Return an identical copy of the instance with a new ID.
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"""
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if not self.pk:
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raise ValueError('Instance must be saved before it can be cloned.')
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duplicate = copy.copy(self)
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# Setting pk to None. Django thinking this is a new object.
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duplicate.pk = None
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# url must be unique
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duplicate.url += '_copy'
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if PlaceExposition.objects.safe_get(url=duplicate.url):
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#already has copy this instance
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return
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ignore_fields = ['id', 'master', 'language_code']
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duplicate.translate('ru')
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tr = self._meta.translations_model.objects.get(language_code = 'ru',master__id=self.pk)
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for field in duplicate._translated_field_names:
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if field in ignore_fields:
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continue
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setattr(duplicate, field, getattr(tr, field))
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duplicate.save()
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# but lost all Halls.
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# copy halls
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halls = Hall.objects.filter(place_exposition=getattr(self, 'id'))
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for hall in halls:
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duplicate_hall = copy.copy(hall)
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duplicate_hall.exposition = duplicate
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duplicate_hall.save()
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return duplicate
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def get_events_number(self):
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exp = Exposition.objects.filter(place=self)
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return len(exp)
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class Hall(models.Model):
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"""
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Create Hall model which saves information about halls in PlaceExposition
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"""
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place_exposition = models.ForeignKey(PlaceExposition, related_name='halls')
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name = models.CharField(max_length=100, blank=True)
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number = models.PositiveIntegerField(blank=True, null=True)
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capacity = models.PositiveIntegerField(blank=True, null=True)
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#test
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pre_save.connect(pre_save_handler, sender=PlaceExposition)
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post_save.connect(post_save_handler, sender=PlaceExposition) |