def wrapped_func(self, request, *args, **kwargs): response_format = self.perform_content_negotiation(request)[0].format etag_user = (':'+str(request.user.pk or 0)) if response_format == 'api' else '' raw_etag = '%s%s:%s:%s' % (response_format, etag_user, get_language(), (etag_func(request) if permissions else MapUpdate.current_cache_key())) if base_mapdata_check and self.base_mapdata: raw_etag += ':%d' % request.user_permissions.can_access_base_mapdata etag = quote_etag(raw_etag) response = get_conditional_response(request, etag=etag) if response is None: cache_key = 'mapdata:api:'+request.path_info[5:].replace('/', '-').strip('-')+':'+raw_etag if cache_parameters is not None: for param, type_ in cache_parameters.items(): value = int(param in request.GET) if type_ == bool else type_(request.GET.get(param)) cache_key += ':'+urlsafe_base64_encode(str(value).encode()).decode() data = request_cache.get(cache_key) if data is not None: response = Response(data) if response is None: with GeometryMixin.dont_keep_originals(): response = func(self, request, *args, **kwargs) if cache_parameters is not None and response.status_code == 200: request_cache.set(cache_key, response.data, 900) if response.status_code == 200: response['ETag'] = etag response['Cache-Control'] = 'no-cache' return response
def wrapped_func(self, request, *args, **kwargs): response_format = self.perform_content_negotiation( request)[0].format etag_user = ( ':' + str(request.user.pk or 0)) if response_format == 'api' else '' raw_etag = '%s%s:%s:%s' % (response_format, etag_user, get_language(), (etag_func(request) if permissions else MapUpdate.current_cache_key())) etag = quote_etag(raw_etag) response = get_conditional_response(request, etag=etag) if response is None: cache_key = 'mapdata:api:' + request.path_info[5:].replace( '/', '-').strip('-') + ':' + raw_etag if cache_parameters is not None: for param, type_ in cache_parameters.items(): value = int( param in request.GET) if type_ == bool else type_( request.GET.get(param)) cache_key += ':' + urlsafe_base64_encode( str(value).encode()).decode() data = cache.get(cache_key) if data is not None: response = Response(data) if response is None: response = func(self, request, *args, **kwargs) if cache_parameters is not None and response.status_code == 200: cache.set(cache_key, response.data, 300) response['ETag'] = etag response['Cache-Control'] = 'no-cache' return response
def get_fields(cls): cache_key = MapUpdate.current_cache_key() if cls.fields_cache_key != cache_key: with cls.fields_cache_lock: cls.fields_cache_key = cache_key cls.fields_cached = cls.build_fields() return cls.fields_cached
def get_all_access_restrictions(): cache_key = 'all_access_restrictions:%s' % MapUpdate.current_cache_key() access_restriction_ids = cache.get(cache_key, None) if access_restriction_ids is None: access_restriction_ids = set(AccessRestriction.objects.values_list('pk', flat=True)) cache.set(cache_key, access_restriction_ids, 300) return access_restriction_ids
def get_fields(cls): cache_key = MapUpdate.current_cache_key() if cls.fields_cache_key != cache_key: with cls.fields_cache_lock: cls.fields_cache_key = cache_key cls.fields_cached = cls.build_fields() return cls.fields_cached
def max_bounds(cls): cache_key = 'mapdata:max_bounds:%s:%s' % (cls.__name__, MapUpdate.current_cache_key()) result = cache.get(cache_key, None) if result is not None: return result result = cls.objects.all().aggregate(models.Min('left'), models.Min('bottom'), models.Max('right'), models.Max('top')) result = ((float(result['left__min']), float(result['bottom__min'])), (float(result['right__max']), float(result['top__max']))) cache.set(cache_key, result, 900) return result
def _get_keys_for_model(self, request, model, key): if hasattr(model, 'qs_for_request'): cache_key = 'mapdata:api:keys:%s:%s:%s' % (model.__name__, key, AccessPermission.cache_key_for_request(request)) qs = model.qs_for_request(request) else: cache_key = 'mapdata:api:keys:%s:%s:%s' % (model.__name__, key, MapUpdate.current_cache_key()) qs = model.objects.all() result = cache.get(cache_key, None) if result is not None: return result result = set(qs.values_list(key, flat=True)) cache.set(cache_key, result, 300) return result
def get_better_space_geometries(): # change space geometries for better representative points cache_key = 'mapdata:better_space_geometries:%s' % MapUpdate.current_cache_key() result = proxied_cache.get(cache_key, None) if result is not None: return result result = {} for space in Space.objects.prefetch_related('columns', 'holes'): geometry = space.geometry.difference( cascaded_union(tuple(obj.geometry for obj in chain(space.columns.all(), space.holes.all()))) ) if not geometry.is_empty: result[space.pk] = geometry proxied_cache.set(cache_key, result, 1800) return result
def _get_keys_for_model(self, request, model, key): if hasattr(model, 'qs_for_request'): cache_key = 'mapdata:api:keys:%s:%s:%s' % ( model.__name__, key, AccessPermission.cache_key_for_request(request)) qs = model.qs_for_request(request) else: cache_key = 'mapdata:api:keys:%s:%s:%s' % ( model.__name__, key, MapUpdate.current_cache_key()) qs = model.objects.all() result = cache.get(cache_key, None) if result is not None: return result result = set(qs.values_list(key, flat=True)) cache.set(cache_key, result, 300) return result
def raw_cache_key_by_changes(self): if self.pk is None: return MapUpdate.current_cache_key() return ':'.join((str(self.pk), MapUpdate.current_cache_key(), self.last_change_cache_key))
def cache_key_for_request(cls, request, with_update=True): return (( (MapUpdate.current_cache_key() + ':') if with_update else '' ) + '-'.join( str(i) for i in sorted(AccessPermission.get_for_request(request)) or '0'))
def cache_key_for_request(cls, request, with_update=True): return ( ((MapUpdate.current_cache_key()+':') if with_update else '') + '-'.join(str(i) for i in sorted(AccessPermission.get_for_request(request)) or '0') )
def _check_mapupdate(self): mapupdate = MapUpdate.current_cache_key() if self._mapupdate != mapupdate: self._items = OrderedDict() self._mapupdate = mapupdate
def raw_cache_key_by_changes(self): if self.pk is None: return MapUpdate.current_cache_key() return ':'.join((str(self.pk), MapUpdate.current_cache_key(), self.last_change_cache_key))
def raw_cache_key_without_changes(self): if self.pk is None: return MapUpdate.current_cache_key() return ':'.join((str(self.pk), MapUpdate.current_cache_key()))