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signals.py
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signals.py
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"""We define custom Django signals to trigger before executing searches."""
import logging
from django.db.models.signals import post_save, pre_delete
from django.dispatch import receiver
from django_elasticsearch_dsl.apps import DEDConfig
from django_elasticsearch_dsl.registries import registry
from readthedocs.projects.models import Project
from readthedocs.search.tasks import delete_objects_in_es, index_objects_to_es
log = logging.getLogger(__name__)
@receiver(post_save, sender=Project)
def index_project_save(instance, *args, **kwargs):
"""
Save a Project instance based on the post_save signal.post_save.
This uses Celery to do it async, replacing how django-elasticsearch-dsl does
it.
"""
from readthedocs.search.documents import ProjectDocument
kwargs = {
'app_label': Project._meta.app_label,
'model_name': Project.__name__,
'document_class': str(ProjectDocument),
'objects_id': [instance.id],
}
# Do not index if autosync is disabled globally
if DEDConfig.autosync_enabled():
index_objects_to_es.delay(**kwargs)
else:
log.info('Skipping indexing')
@receiver(pre_delete, sender=Project)
def remove_project_delete(instance, *args, **kwargs):
from readthedocs.search.documents import ProjectDocument
kwargs = {
'app_label': Project._meta.app_label,
'model_name': Project.__name__,
'document_class': str(ProjectDocument),
'objects_id': [instance.id],
}
# Don't `delay` this because the objects will be deleted already
if DEDConfig.autosync_enabled():
delete_objects_in_es(**kwargs)
else:
log.info('Skipping indexing')