# """Search indexes app signals."""
# from django.db.models.signals import post_save
# from django.dispatch import receiver
# from django_elasticsearch_dsl.registries import registry
#
#
# @receiver(post_save)
# def update_document(sender, **kwargs):
#     from establishment.models import Establishment
#     app_label = sender._meta.app_label
#     model_name = sender._meta.model_name
#     instance = kwargs['instance']
#
#     if app_label == 'location':
#         if model_name == 'country':
#             establishments = Establishment.objects.filter(
#                 address__city__country=instance)
#             for establishment in establishments:
#                 registry.update(establishment)
#         if model_name == 'city':
#             establishments = Establishment.objects.filter(
#                 address__city=instance)
#             for establishment in establishments:
#                 registry.update(establishment)
#         if model_name == 'address':
#             establishments = Establishment.objects.filter(
#                 address=instance)
#             for establishment in establishments:
#                 registry.update(establishment)
#
#     if app_label == 'establishment':
#         # todo: remove after migration
#         from establishment import models as establishment_models
#         if model_name == 'establishmenttype':
#             if isinstance(instance, establishment_models.EstablishmentType):
#                 establishments = Establishment.objects.filter(
#                     establishment_type=instance)
#                 for establishment in establishments:
#                     registry.update(establishment)
#         if model_name == 'establishmentsubtype':
#             if isinstance(instance, establishment_models.EstablishmentSubType):
#                 establishments = Establishment.objects.filter(
#                     establishment_subtypes=instance)
#                 for establishment in establishments:
#                     registry.update(establishment)
#
#     if app_label == 'tag':
#         if model_name == 'tag':
#             establishments = Establishment.objects.filter(tags=instance)
#             for establishment in establishments:
#                 registry.update(establishment)
#
#
# @receiver(post_save)
# def update_news(sender, **kwargs):
#     from news.models import News
#     app_label = sender._meta.app_label
#     model_name = sender._meta.model_name
#     instance = kwargs['instance']
#
#     if app_label == 'location':
#         if model_name == 'country':
#             qs = News.objects.filter(country=instance)
#             for news in qs:
#                 registry.update(news)
#
#     if app_label == 'news':
#         if model_name == 'newstype':
#             qs = News.objects.filter(news_type=instance)
#             for news in qs:
#                 registry.update(news)
#
#     if app_label == 'tag':
#         if model_name == 'tag':
#             qs = News.objects.filter(tags=instance)
#             for news in qs:
#                 registry.update(news)