PonyConf/proposals/admin.py

from django.contrib import admin
from django.contrib.sites.shortcuts import get_current_site

from proposals.models import Conference, Talk, Topic, Track, Event
from planning.models import Room

from ponyconf.admin import SiteAdminMixin



class TalkAdmin(SiteAdminMixin, admin.ModelAdmin):
    def get_form(self, request, obj=None, **kwargs):
        form = super(TalkAdmin, self).get_form(request, obj, **kwargs)
        site = get_current_site(request)
        form.base_fields['topics'].queryset = Topic.objects.filter(site=site)
        form.base_fields['track'].queryset = Track.objects.filter(site=site)
        form.base_fields['event'].queryset = Event.objects.filter(site=site)
        form.base_fields['room'].queryset = Room.objects.filter(site=site)
        return form


class TopicAdmin(SiteAdminMixin, admin.ModelAdmin):
    def get_form(self, request, obj=None, **kwargs):
        form = super().get_form(request, obj, **kwargs)
        site = get_current_site(request)
        form.base_fields['track'].queryset = Track.objects.filter(site=site)
        return form


class TrackAdmin(SiteAdminMixin, admin.ModelAdmin):
    pass


class EventAdmin(SiteAdminMixin, admin.ModelAdmin):
    pass


admin.site.register(Conference)
admin.site.register(Topic, TopicAdmin)
admin.site.register(Track, TrackAdmin)
admin.site.register(Talk, TalkAdmin)
admin.site.register(Event, EventAdmin)