expomap/apps/place_exposition/views.py

# -*- coding: utf-8 -*-

from city.models import City
from country.models import Country
from django.conf import settings
from django.core.context_processors import csrf
from django.http import Http404, HttpResponse, HttpResponseRedirect
from django.shortcuts import get_object_or_404, render_to_response
from django.template import RequestContext
from django.utils import translation
from django.utils.translation import ugettext as _
from django.views.generic import DetailView, FormView
from django.utils import timezone
from functions.cache_mixin import CacheMixin, JitterCacheMixin
from functions.custom_views import ListView
from meta.views import MetadataMixin
from place_conference.models import PlaceConference
from exposition.models import Exposition
from .models import PlaceExposition


def catalog(request):
    expo = list(PlaceExposition.objects.all())
    conf = list(PlaceConference.objects.all())
    places = expo+conf

    args = {'objects': places}

    return render_to_response('place_catalog.html', args, context_instance=RequestContext(request))

def place(request, url, photo=None):
    try:
        place = PlaceConference.objects.get(url=url)
    except PlaceConference.DoesNotExist:
        try:
            place = PlaceExposition.objects.get(url=url)
        except:
            raise Http404

    args = {'place': place}
    if photo:
        args['object'] = place
        return render_to_response('photoreport.html', args, context_instance=RequestContext(request))
    return render_to_response('place.html', args, context_instance=RequestContext(request))



class PlaceDetail(JitterCacheMixin, MetadataMixin, DetailView):
    cache_range = settings.CACHE_RANGE
    model = PlaceExposition
    slug_field = 'url'
    template_name = 'client/place/place_detail.html'

    def get_object(self, queryset=None):
        """
        Returns the object the view is displaying.
        By default this requires `self.queryset` and a `pk` or `slug` argument
        in the URLconf, but subclasses can override this to return any object.
        """
        # Use a custom queryset if provided; this is required for subclasses
        # like DateDetailView
        if queryset is None:
            queryset = self.get_queryset()
        # Next, try looking up by primary key.
        pk = self.kwargs.get(self.pk_url_kwarg, None)
        slug = self.kwargs.get(self.slug_url_kwarg, None)
        if pk is not None:
            queryset = queryset.filter(pk=pk)
        # Next, try looking up by slug.
        elif slug is not None:
            slug_field = self.get_slug_field()
            queryset = queryset.filter(**{slug_field: slug})
        # If none of those are defined, it's an error.
        else:
            raise AttributeError("Generic detail view %s must be called with "
                                 "either an object pk or a slug."
                                 % self.__class__.__name__)
        try:
            # Get the single item from the filtered queryset
            obj = queryset.get()
        except queryset.model.DoesNotExist:
            try:
                obj = PlaceConference.objects.get(url=slug)
            except PlaceConference.DoesNotExist:

                raise Http404(_("No %(verbose_name)s found matching the query") %
                              {'verbose_name': queryset.model._meta.verbose_name})
        return obj

    def get_context_data(self, **kwargs):
        context = super(PlaceDetail, self).get_context_data(**kwargs)
        obj = self.object
        context['city'] = str(obj.city_id)
        context['country'] = str(obj.country_id)
        return context


class PlacePhoto(MetadataMixin, ListView):
    template_name = 'client/place/photo.html'
    obj = None
    paginate_by = settings.CLIENT_PAGINATION

    def get_queryset(self):
        slug = self.kwargs.get('slug')
        try:
            place = PlaceExposition.objects.get(url=slug)
        except PlaceExposition.DoesNotExist:
            try:
                place = PlaceConference.objects.get(url=slug)
            except PlaceConference.DoesNotExist:
                raise Http404(_("No %(verbose_name)s found matching the query") %
                              {'verbose_name': PlaceExposition._meta.verbose_name})
        self.obj = place
        self.object = place
#        self.kwargs['object'] = place
        if place.photogallery:
            return place.photogallery.photos.all()
        else:
            raise Http404()

    def get_context_data(self, **kwargs):
        context = super(PlacePhoto, self).get_context_data(**kwargs)
        obj = self.obj
        context['object'] = obj
        context['city'] = str(obj.city_id)
        context['country'] = str(obj.country_id)
        return context


class PlaceList(JitterCacheMixin, MetadataMixin, ListView):
    model = PlaceExposition
    paginate_by = settings.CLIENT_PAGINATION
    template_name = 'client/place/place_list.html'

    def get_queryset(self):
        qs = PlaceExposition.objects.language().select_related('country', 'city').order_by('-rating')
        conf_qs = PlaceConference.objects.language().select_related('country', 'city')
        return list(qs)+list(conf_qs)


class PlaceCatalogBy(JitterCacheMixin, MetadataMixin, ListView):
    cache_range = [60*30, 60*60]
    template_name = 'client/place/catalog_by.html'
    title1 = ''  # bread_scrumbs
    title2 = ''  # page_title
    """
    abstact class
    """
    def get_context_data(self, **kwargs):
        context = super(PlaceCatalogBy, self).get_context_data(**kwargs)
        context.update({
            'title1': self.title1,
            'title2': self.title2,
            'catalog': self.catalog,
            'place_catalog': '/places/'
        })
        return context


class PlaceByCountry(PlaceCatalogBy):
    model = Country
    title1 = _(u'По странам')
    title2 = _(u'Места по странам')
    catalog = 'country/'

    def get_queryset(self):
        return self.model.objects.place_countries_with_count()


class PlaceByCity(PlaceCatalogBy):
    model = City
    title1 = _(u'По городам')
    title2 = _(u'Места по городам')
    catalog = 'city/'

    def get_queryset(self):
        return self.model.used.place_cities_with_count()


class PlaceCatalog(JitterCacheMixin, MetadataMixin, ListView):
    cache_range = settings.CACHE_RANGE
    model = PlaceExposition
    paginate_by = settings.CLIENT_PAGINATION
    template_name = 'client/place/catalog.html'
    filter_object = None


    def get_context_data(self, **kwargs):
        context = super(PlaceCatalog, self).get_context_data(**kwargs)
        context['filter_object'] = self.filter_object

        context['catalog_url'] = self.catalog_url
        return context


class PlaceCountryCatalog(PlaceCatalog):
    catalog_url = '/places/'

    def get_queryset(self):
        slug = self.kwargs.get('slug')
        country = get_object_or_404(Country, url=slug)
        self.kwargs['country'] = country
        self.filter_object = country
        qs = self.model.objects.language().select_related('country', 'city').filter(country=country).order_by('-rating')
        conf_qs = PlaceConference.objects.language().select_related('country', 'city').filter(country=country)

        return list(qs) + list(conf_qs)

    def get_context_data(self, **kwargs):
        context = super(PlaceCountryCatalog, self).get_context_data(**kwargs)
        context['country'] = str(self.kwargs['country'].id)
        return context


class PlaceCityCatalog(PlaceCatalog):
    catalog_url = '/places/'

    def get_queryset(self):
        slug = self.kwargs.get('slug')
        city = get_object_or_404(City, url=slug)
        self.kwargs['city'] = city
        self.filter_object = city
        qs = self.model.objects.language().select_related('country', 'city').filter(city=city).order_by('-rating')
        conf_qs = PlaceConference.objects.language().select_related('country', 'city').filter(city=city)
        return list(qs) + list(conf_qs)

    def get_context_data(self, **kwargs):
        context = super(PlaceCityCatalog, self).get_context_data(**kwargs)
        context['city'] = str(self.kwargs['city'].id)
        return context


class PlaceExpositionListView(MetadataMixin, JitterCacheMixin, ListView):
    """
    Представление перечня событий относительно места.
    Переход на эту страницу происходит со страницы подробного просмотра
    места, по ссылке "Все события"
    """
    template_name = 'client/place/place_exposition_list.html'
    cache_range = settings.CACHE_RANGE

    def get_object(self):
        slug = self.kwargs.get('slug')
        return get_object_or_404(PlaceExposition, url=slug)

    def get_queryset(self):
        return Exposition.objects.filter(
            place=self.get_object(), data_begin__gte=timezone.now()
        ).select_related(
            'country', 'city'
        ).prefetch_related(
            'tag'
        )

    def get_context_data(self, **kwargs):
        ctx = super(PlaceExpositionListView, self).get_context_data(**kwargs)
        ctx['object'] = self.get_object()
        return ctx