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cache location api list and query

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This commit is contained in:
Laura Klünder 2017-10-27 15:25:03 +02:00
parent db6102d5e5
commit 92f0ffe6fd
1 changed files with 24 additions and 17 deletions
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41
src/c3nav/mapdata/api.py
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@ -196,25 +196,16 @@ class LocationViewSet(RetrieveModelMixin, GenericViewSet):
queryset = LocationSlug.objects.all()
lookup_field = 'slug'
def get_queryset(self, search=False):
def get_queryset(self, mode=None):
queryset = super().get_queryset().order_by('id')
cache_key = 'mapdata:api:location:queryset:%d:%s:%s' % (
search,
','.join((str(i) for i in sorted(AccessPermission.get_for_request(self.request)))),
MapUpdate.current_cache_key()
)
result = cache.get(cache_key, None)
if result is not None:
return result
conditions = []
for model in get_submodels(Location):
related_name = model._meta.default_related_name
condition = Q(**{related_name+'__isnull': False})
if search:
if mode == 1:
condition &= Q(**{related_name+'__can_search': True})
else:
elif mode == 2:
condition &= Q(**{related_name+'__can_search': True, related_name+'__can_describe': True})
# noinspection PyUnresolvedReferences
condition &= model.q_for_request(self.request, prefix=related_name+'__')
@ -227,8 +218,6 @@ class LocationViewSet(RetrieveModelMixin, GenericViewSet):
queryset = queryset.prefetch_related(Prefetch(model._meta.default_related_name + '__groups',
queryset=base_qs))
cache.set(cache_key, queryset, 300)
return queryset
def list(self, request, *args, **kwargs):
@ -236,10 +225,28 @@ class LocationViewSet(RetrieveModelMixin, GenericViewSet):
detailed = 'detailed' in request.GET
geometry = 'geometry' in request.GET
queryset = self.get_queryset(search=search)
cache_key = 'mapdata:api:location:list:%d:%s:%s' % (
search + detailed*2 + geometry*4,
','.join((str(i) for i in sorted(AccessPermission.get_for_request(self.request)))),
MapUpdate.current_cache_key()
)
result = cache.get(cache_key, None)
if result is None:
queryset_cache_key = 'mapdata:api:location:queryset:%d:%s:%s' % (
search,
','.join((str(i) for i in sorted(AccessPermission.get_for_request(self.request)))),
MapUpdate.current_cache_key()
)
queryset = cache.get(queryset_cache_key, None)
if queryset is None:
queryset = self.get_queryset(mode=(1 if search else 2))
cache.set(queryset_cache_key, queryset, 300)
return Response(tuple(obj.get_child().serialize(include_type=True, detailed=detailed, geometry=geometry)
for obj in queryset))
result = tuple(obj.get_child().serialize(include_type=True, detailed=detailed, geometry=geometry)
for obj in queryset)
cache.set(cache_key, result, 300)
return Response(result)
def retrieve(self, request, slug=None, *args, **kwargs):
result = Location.get_by_slug(slug, self.get_queryset())