def filter(self, qs, value):
if value:
try:
location = Location.objects.get(pk=value)
sublocation_pks = Location.get_sites(
location.get_descendants()).values_list('pk', flat=True)
return qs.filter(pk__in=sublocation_pks)
except Location.DoesNotExist:
return qs.none()
return qs
def filter(self, qs, value):
if value:
try:
location = Location.objects.get(pk=value)
descendant_sites = Location.get_sites(
location.get_descendants())
return qs.filter(site__in=descendant_sites)
except Location.DoesNotExist:
return qs.none()
return qs
def filter(self, qs, value):
if value:
try:
location = Location.objects.get(pk=value)
sublocation_pks = Location.get_sites(
location.get_descendants()).values_list('pk', flat=True)
return qs.filter(pk__in=sublocation_pks)
except Location.DoesNotExist:
return qs.none()
return qs
def filter(self, qs, value):
if value:
try:
location = Location.objects.get(pk=value)
descendant_sites = Location.get_sites(
location.get_descendants())
return qs.filter(site__in=descendant_sites)
except Location.DoesNotExist:
return qs.none()
return qs
def get_queryset(self):
location = None
try:
location_pk = int(self.request.POST.get('location', 0))
except ValueError as e:
if 'invalid literal for int()' in e.message:
location_pk = 0
else:
raise e
if location_pk > 0:
location = Location.objects.filter(pk=location_pk).first()
if isinstance(location, Location):
return location.get_site_descendants()
else:
# If there is no location with the requested PK (or no location was
# given to filter the query results then just return the query
# not filtered by location (i.e. the list of all sites).
return Location.get_sites()