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Widget: remove limit of 50 events in list-view by adding a load-more-button (#2144)

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Richard Schreiber
2021-07-10 21:37:27 +02:00
committed by GitHub
parent 965aac6ad5
commit bdd9751f0e
5 changed files with 55 additions and 2 deletions
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16
src/pretix/presale/views/widget.py
View File

@@ -422,7 +422,10 @@ class WidgetAPIProductList(EventListMixin, View):
data['list_type'] = list_type
if hasattr(self.request, 'event') and data['list_type'] not in ("calendar", "week"):
if self.request.event.subevents.filter(date_from__gt=now()).count() > 50:
# only allow list-view of more than 50 subevents if ordering is by data as this can be done in the database
# ordering by name is currently not supported in database due to I18NField-JSON
ordering = self.request.event.settings.get('frontpage_subevent_ordering', default='date_ascending', as_type=str)
if ordering not in ("date_ascending", "date_descending") and self.request.event.subevents.filter(date_from__gt=now()).count() > 50:
if self.request.event.settings.event_list_type not in ("calendar", "week"):
self.request.event.settings.event_list_type = "calendar"
data['list_type'] = list_type = 'calendar'
@@ -537,10 +540,21 @@ class WidgetAPIProductList(EventListMixin, View):
for d in data['days']:
d['events'] = self._serialize_events(d['events'] or [])
else:
offset = int(self.request.GET.get("offset", 0))
limit = 50
if hasattr(self.request, 'event'):
evs = self.request.event.subevents_sorted(
filter_qs_by_attr(self.request.event.subevents_annotated(self.request.sales_channel.identifier), self.request)
)
ordering = self.request.event.settings.get('frontpage_subevent_ordering', default='date_ascending', as_type=str)
data['has_more_events'] = False
if ordering in ("date_ascending", "date_descending"):
# fetch one more result than needed to check if more events exist
evs = list(evs[offset:offset + limit + 1])
if len(evs) > limit:
data['has_more_events'] = True
evs = evs[:limit]
tz = pytz.timezone(request.event.settings.timezone)
if self.request.event.settings.event_list_available_only:
evs = [