def filter_db_entity_interests(**options):
"""
Filter db_entities by config_entity_keys and db_entity_keys options
:param options:
:return:
"""
return DbEntityInterest.objects.filter(**compact_kwargs(
config_entity__key__in=options.get('config_entity_keys'),
db_entity__key__in=options.get('db_entity_keys')
))
def filter_layers(**options):
"""
Filter layers by config_entity_keys and db_entity_keys options
:param options:
:return:
"""
return Layer.objects.filter(**compact_kwargs(
presentation__config_entity__key__in=options.get('config_entity_keys'),
db_entity_interest__db_entity__key__in=options.get('db_entity_keys')
))
def filter_config_entities(**options):
"""
Filter by 'limit_to_classes' ConfigEntity subclasses and by config_etnity_keys options
:param options:
:return:
"""
global _CACHED_CONFIG_ENTITIES
if not _CACHED_CONFIG_ENTITIES:
old_debug = settings.DEBUG
settings.DEBUG = True
reset_queries()
_cached_config_entities = ConfigEntity.objects.filter(deleted=False)
# This assertion makes sure we aren't overly aggressive in
# loading the initial ConfigEntity list. In a pinch, comment
# this out.
# TODO: Move this to a test.
total_entities = len(_cached_config_entities)
assert len(connection.queries) < total_entities*13, (
"Got %d queries for %d config_entities " % (len(connection.queries), len(_cached_config_entities)))
settings.DEBUG = old_debug
# Make sure we only select ConfigEntities related to the current client
client_region = Region.objects.get(key=settings.CLIENT)
eligible_ids = map(lambda config_entity: config_entity.id,
[global_config_singleton(), client_region] + list(client_region.descendants()))
config_entities = _cached_config_entities.filter(
id__in=eligible_ids,
**compact_kwargs(key__in=options.get('config_entity_keys'))
)
# config_entities = ConfigEntity.objects.filter(deleted=False).filter(
# **compact_kwargs(key__in=options.get('config_entity_keys')))
result = sort_config_entities(
filter(
lambda config_entity: not options.get('limit_to_classes') or isinstance(config_entity, tuple(options.get('limit_to_classes'))),
map(lambda config_entity: config_entity.subclassed, config_entities)
)
)
return result