"""
Utils.
"""
import datetime
from elasticsearch_dsl.search import AggsProxy
__title__ = 'django_elasticsearch_dsl_drf.utils'
__author__ = 'Artur Barseghyan <artur.barseghyan@gmail.com>'
__copyright__ = '2017-2020 Artur Barseghyan'
__license__ = 'GPL 2.0/LGPL 2.1'
__all__ = (
'DictionaryProxy',
'EmptySearch',
)
[docs]class EmptySearch(object):
"""Empty Search."""
def __init__(self, *args, **kwargs):
self.aggs = AggsProxy('')
self._highlight = {}
self._sort = []
def __len__(self):
return 0
def __iter__(self):
return iter([])
[docs] def highlight(self, *args, **kwargs):
return self
[docs] def sort(self, *args, **kwargs):
return self
[docs] def execute(self, *args, **kwargs):
return self
[docs] def to_dict(self, *args, **kwargs):
return {}
[docs]class DictionaryProxy(object):
"""Dictionary proxy."""
def __init__(self, mapping):
self.__mapping = mapping
def __getattr__(self, item):
val = self.__mapping.get(item, None)
if isinstance(val, datetime.datetime):
val = val.date()
return val
[docs] def to_dict(self):
"""To dict.
:return:
"""
return self.__mapping