forked from CGM_Public/pretix_original
409 lines
16 KiB
Python
409 lines
16 KiB
Python
import calendar
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from collections import defaultdict
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from datetime import date, datetime, timedelta
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import pytz
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from django.conf import settings
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from django.db.models import Exists, Max, Min, OuterRef, Q
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from django.db.models.functions import Coalesce, Greatest
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from django.http import Http404, HttpResponse
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from django.utils.decorators import method_decorator
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from django.utils.timezone import now
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from django.views import View
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from django.views.decorators.cache import cache_page
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from django.views.generic import ListView, TemplateView
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from pytz import UTC
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from pretix.base.i18n import language
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from pretix.base.models import (
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Event, EventMetaValue, SubEvent, SubEventMetaValue,
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)
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from pretix.helpers.daterange import daterange
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from pretix.multidomain.urlreverse import eventreverse
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from pretix.presale.ical import get_ical
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from pretix.presale.views import OrganizerViewMixin
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def filter_qs_by_attr(qs, request):
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"""
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We'll allow to filter the event list using attributes defined in the event meta data
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models in the format ?attr[meta_name]=meta_value
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"""
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attrs = {}
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for i, item in enumerate(request.GET.items()):
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k, v = item
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if k.startswith("attr[") and k.endswith("]"):
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attrs[k[5:-1]] = v
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skey = 'filter_qs_by_attr_{}_{}'.format(request.organizer.pk, request.event.pk if hasattr(request, 'event') else '')
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if request.GET.get('attr_persist'):
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request.session[skey] = attrs
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elif skey in request.session:
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attrs = request.session[skey]
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props = {
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p.name: p for p in request.organizer.meta_properties.filter(
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name__in=attrs.keys()
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)
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}
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for i, item in enumerate(attrs.items()):
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attr, v = item
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emv_with_value = EventMetaValue.objects.filter(
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event=OuterRef('event' if qs.model == SubEvent else 'pk'),
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property__name=attr,
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value=v
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)
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emv_with_any_value = EventMetaValue.objects.filter(
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event=OuterRef('event' if qs.model == SubEvent else 'pk'),
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property__name=attr,
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)
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if qs.model == SubEvent:
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semv_with_value = SubEventMetaValue.objects.filter(
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subevent=OuterRef('pk'),
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property__name=attr,
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value=v
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)
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semv_with_any_value = SubEventMetaValue.objects.filter(
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subevent=OuterRef('pk'),
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property__name=attr,
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)
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prop = props[attr]
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annotations = {'attr_{}'.format(i): Exists(emv_with_value)}
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if qs.model == SubEvent:
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annotations['attr_{}_sub'.format(i)] = Exists(semv_with_value)
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annotations['attr_{}_sub_any'.format(i)] = Exists(semv_with_any_value)
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filters = Q(**{'attr_{}_sub'.format(i): True})
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filters |= Q(Q(**{'attr_{}_sub_any'.format(i): False}) & Q(**{'attr_{}'.format(i): True}))
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if prop.default == v:
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annotations['attr_{}_any'.format(i)] = Exists(emv_with_any_value)
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filters |= Q(Q(**{'attr_{}_sub_any'.format(i): False}) & Q(**{'attr_{}_any'.format(i): False}))
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else:
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filters = Q(**{'attr_{}'.format(i): True})
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if prop.default == v:
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annotations['attr_{}_any'.format(i)] = Exists(emv_with_any_value)
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filters |= Q(**{'attr_{}_any'.format(i): False})
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qs = qs.annotate(**annotations).filter(filters)
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return qs
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class EventListMixin:
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def _get_event_queryset(self):
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query = Q(is_public=True) & Q(live=True)
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qs = self.request.organizer.events.using(settings.DATABASE_REPLICA).filter(query)
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qs = qs.annotate(
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min_from=Min('subevents__date_from'),
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min_to=Min('subevents__date_to'),
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max_from=Max('subevents__date_from'),
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max_to=Max('subevents__date_to'),
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max_fromto=Greatest(Max('subevents__date_to'), Max('subevents__date_from')),
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)
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if "old" in self.request.GET:
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qs = qs.filter(
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Q(Q(has_subevents=False) & Q(
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Q(date_to__lt=now()) | Q(Q(date_to__isnull=True) & Q(date_from__lt=now()))
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)) | Q(Q(has_subevents=True) & Q(
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Q(min_to__lt=now()) | Q(min_from__lt=now()))
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)
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).annotate(
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order_to=Coalesce('max_fromto', 'max_to', 'max_from', 'date_to', 'date_from'),
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).order_by('-order_to')
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else:
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qs = qs.filter(
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Q(Q(has_subevents=False) & Q(
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Q(date_to__gte=now()) | Q(Q(date_to__isnull=True) & Q(date_from__gte=now()))
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)) | Q(Q(has_subevents=True) & Q(
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Q(max_to__gte=now()) | Q(max_from__gte=now()))
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)
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).annotate(
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order_from=Coalesce('min_from', 'date_from'),
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).order_by('order_from')
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qs = Event.annotated(filter_qs_by_attr(qs, self.request))
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return qs
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def _set_month_to_next_subevent(self):
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tz = pytz.timezone(self.request.event.settings.timezone)
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next_sev = self.request.event.subevents.using(settings.DATABASE_REPLICA).filter(
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active=True,
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is_public=True,
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date_from__gte=now()
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).select_related('event').order_by('date_from').first()
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if next_sev:
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datetime_from = next_sev.date_from
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self.year = datetime_from.astimezone(tz).year
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self.month = datetime_from.astimezone(tz).month
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else:
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self.year = now().year
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self.month = now().month
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def _set_month_to_next_event(self):
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next_ev = filter_qs_by_attr(Event.objects.using(settings.DATABASE_REPLICA).filter(
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organizer=self.request.organizer,
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live=True,
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is_public=True,
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date_from__gte=now(),
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has_subevents=False
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), self.request).order_by('date_from').first()
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next_sev = filter_qs_by_attr(SubEvent.objects.using(settings.DATABASE_REPLICA).filter(
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event__organizer=self.request.organizer,
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event__is_public=True,
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event__live=True,
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active=True,
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is_public=True,
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date_from__gte=now()
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), self.request).select_related('event').order_by('date_from').first()
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datetime_from = None
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if (next_ev and next_sev and next_sev.date_from < next_ev.date_from) or (next_sev and not next_ev):
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datetime_from = next_sev.date_from
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next_ev = next_sev.event
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elif next_ev:
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datetime_from = next_ev.date_from
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if datetime_from:
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tz = pytz.timezone(next_ev.settings.timezone)
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self.year = datetime_from.astimezone(tz).year
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self.month = datetime_from.astimezone(tz).month
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else:
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self.year = now().year
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self.month = now().month
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def _set_month_year(self):
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if hasattr(self.request, 'event') and self.subevent:
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tz = pytz.timezone(self.request.event.settings.timezone)
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self.year = self.subevent.date_from.astimezone(tz).year
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self.month = self.subevent.date_from.astimezone(tz).month
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if 'year' in self.request.GET and 'month' in self.request.GET:
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try:
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self.year = int(self.request.GET.get('year'))
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self.month = int(self.request.GET.get('month'))
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except ValueError:
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self.year = now().year
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self.month = now().month
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else:
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if hasattr(self.request, 'event'):
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self._set_month_to_next_subevent()
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else:
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self._set_month_to_next_event()
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class OrganizerIndex(OrganizerViewMixin, EventListMixin, ListView):
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model = Event
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context_object_name = 'events'
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template_name = 'pretixpresale/organizers/index.html'
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paginate_by = 30
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def get(self, request, *args, **kwargs):
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style = request.GET.get("style", request.organizer.settings.event_list_type)
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if style == "calendar":
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cv = CalendarView()
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cv.request = request
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return cv.get(request, *args, **kwargs)
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else:
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return super().get(request, *args, **kwargs)
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def get_queryset(self):
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return self._get_event_queryset()
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def get_context_data(self, **kwargs):
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ctx = super().get_context_data(**kwargs)
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for event in ctx['events']:
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tz = pytz.timezone(event.cache.get_or_set('timezone', lambda: event.settings.timezone))
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if event.has_subevents:
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event.daterange = daterange(
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event.min_from.astimezone(tz),
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(event.max_fromto or event.max_to or event.max_from).astimezone(tz)
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)
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return ctx
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def add_events_for_days(request, baseqs, before, after, ebd, timezones):
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qs = baseqs.filter(is_public=True, live=True, has_subevents=False).filter(
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Q(Q(date_to__gte=before) & Q(date_from__lte=after)) |
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Q(Q(date_from__lte=after) & Q(date_to__gte=before)) |
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Q(Q(date_to__isnull=True) & Q(date_from__gte=before) & Q(date_from__lte=after))
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).order_by(
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'date_from'
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).prefetch_related(
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'_settings_objects', 'organizer___settings_objects'
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)
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if hasattr(request, 'organizer'):
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qs = filter_qs_by_attr(qs, request)
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for event in qs:
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timezones.add(event.settings.timezones)
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tz = pytz.timezone(event.settings.timezone)
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datetime_from = event.date_from.astimezone(tz)
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date_from = datetime_from.date()
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if event.settings.show_date_to and event.date_to:
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date_to = event.date_to.astimezone(tz).date()
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d = max(date_from, before.date())
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while d <= date_to and d <= after.date():
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first = d == date_from
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ebd[d].append({
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'event': event,
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'continued': not first,
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'time': datetime_from.time().replace(tzinfo=None) if first and event.settings.show_times else None,
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'url': eventreverse(event, 'presale:event.index'),
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'timezone': event.settings.timezone,
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})
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d += timedelta(days=1)
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else:
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ebd[date_from].append({
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'event': event,
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'continued': False,
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'time': datetime_from.time().replace(tzinfo=None) if event.settings.show_times else None,
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'url': eventreverse(event, 'presale:event.index'),
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'timezone': event.settings.timezone,
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})
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def add_subevents_for_days(qs, before, after, ebd, timezones, event=None, cart_namespace=None):
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qs = qs.filter(active=True, is_public=True).filter(
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Q(Q(date_to__gte=before) & Q(date_from__lte=after)) |
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Q(Q(date_from__lte=after) & Q(date_to__gte=before)) |
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Q(Q(date_to__isnull=True) & Q(date_from__gte=before) & Q(date_from__lte=after))
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).order_by(
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'date_from'
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)
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for se in qs:
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kwargs = {'subevent': se.pk}
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if cart_namespace:
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kwargs['cart_namespace'] = cart_namespace
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settings = event.settings if event else se.event.settings
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timezones.add(settings.timezones)
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tz = pytz.timezone(settings.timezone)
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datetime_from = se.date_from.astimezone(tz)
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date_from = datetime_from.date()
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if se.event.settings.show_date_to and se.date_to:
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date_to = se.date_to.astimezone(tz).date()
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d = max(date_from, before.date())
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while d <= date_to and d <= after.date():
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first = d == date_from
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ebd[d].append({
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'continued': not first,
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'timezone': settings.timezone,
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'time': datetime_from.time().replace(tzinfo=None) if first and settings.show_times else None,
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'event': se,
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'url': eventreverse(se.event, 'presale:event.index', kwargs=kwargs)
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})
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d += timedelta(days=1)
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else:
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ebd[date_from].append({
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'event': se,
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'continued': False,
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'time': datetime_from.time().replace(tzinfo=None) if se.event.settings.show_times else None,
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'url': eventreverse(se.event, 'presale:event.index', kwargs=kwargs),
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'timezone': se.event.settings.timezone,
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})
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def weeks_for_template(ebd, year, month):
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calendar.setfirstweekday(0) # TODO: Configurable
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return [
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[
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{
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'day': day,
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'date': date(year, month, day),
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'events': ebd.get(date(year, month, day))
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}
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if day > 0
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else None
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for day in week
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]
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for week in calendar.monthcalendar(year, month)
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]
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class CalendarView(OrganizerViewMixin, EventListMixin, TemplateView):
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template_name = 'pretixpresale/organizers/calendar.html'
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def get(self, request, *args, **kwargs):
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self._set_month_year()
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return super().get(request, *args, **kwargs)
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def get_context_data(self, **kwargs):
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ctx = super().get_context_data()
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try:
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_, ndays = calendar.monthrange(self.year, self.month)
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except calendar.IllegalMonthError:
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raise Http404()
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before = datetime(self.year, self.month, 1, 0, 0, 0, tzinfo=UTC) - timedelta(days=1)
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after = datetime(self.year, self.month, ndays, 0, 0, 0, tzinfo=UTC) + timedelta(days=1)
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ctx['date'] = date(self.year, self.month, 1)
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ctx['before'] = before
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ctx['after'] = after
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ebd = self._events_by_day(before, after)
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ctx['multiple_timezones'] = self._multiple_timezones
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ctx['weeks'] = weeks_for_template(ebd, self.year, self.month)
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ctx['months'] = [date(self.year, i + 1, 1) for i in range(12)]
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ctx['years'] = range(now().year - 2, now().year + 3)
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return ctx
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def _events_by_day(self, before, after):
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ebd = defaultdict(list)
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timezones = set()
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add_events_for_days(self.request, Event.annotated(self.request.organizer.events, 'web').using(settings.DATABASE_REPLICA), before, after, ebd, timezones)
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add_subevents_for_days(filter_qs_by_attr(SubEvent.annotated(SubEvent.objects.filter(
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event__organizer=self.request.organizer,
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event__is_public=True,
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event__live=True,
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).prefetch_related(
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'event___settings_objects', 'event__organizer___settings_objects'
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)), self.request).using(settings.DATABASE_REPLICA), before, after, ebd, timezones)
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self._multiple_timezones = len(timezones) > 1
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return ebd
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@method_decorator(cache_page(300), name='dispatch')
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class OrganizerIcalDownload(OrganizerViewMixin, View):
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def get(self, request, *args, **kwargs):
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events = list(
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filter_qs_by_attr(
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self.request.organizer.events.filter(is_public=True, live=True, has_subevents=False),
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request
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).order_by(
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'date_from'
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).prefetch_related(
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'_settings_objects', 'organizer___settings_objects'
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)
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)
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events += list(
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filter_qs_by_attr(
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SubEvent.objects.filter(
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event__organizer=self.request.organizer,
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event__is_public=True,
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event__live=True,
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is_public=True,
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active=True
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),
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request
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).prefetch_related(
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'event___settings_objects', 'event__organizer___settings_objects'
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).order_by(
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'date_from'
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)
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)
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if 'locale' in request.GET and request.GET.get('locale') in dict(settings.LANGUAGES):
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with language(request.GET.get('locale')):
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cal = get_ical(events)
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else:
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cal = get_ical(events)
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resp = HttpResponse(cal.serialize(), content_type='text/calendar')
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resp['Content-Disposition'] = 'attachment; filename="{}.ics"'.format(
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request.organizer.slug
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)
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return resp
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