Source code for shuup.front.signal_handlers

# -*- coding: utf-8 -*-
# This file is part of Shuup.
#
# Copyright (c) 2012-2021, Shuup Commerce Inc. All rights reserved.
#
# This source code is licensed under the OSL-3.0 license found in the
# LICENSE file in the root directory of this source tree.
from django.db.models.signals import post_save
from django.dispatch import receiver
from filer.models import Image

from shuup.core import cache
from shuup.core.models import Manufacturer, ProductCrossSell, ProductMedia, Shop, ShopProduct
from shuup.core.signals import context_cache_item_bumped  # noqa
from shuup.core.utils import context_cache
from shuup.front.utils import cache as cache_utils
from shuup.front.utils.sorts_and_filters import bump_product_queryset_cache


@receiver(context_cache_item_bumped, dispatch_uid="context-cache-item-bumped")
[docs]def handle_context_cache_item_bumped(sender, **kwargs): def bump_cache_for_shop_id(shop_id): context_cache.bump_cache_for_item(cache_utils.get_listed_products_cache_item(shop_id)) context_cache.bump_cache_for_item(cache_utils.get_best_selling_products_cache_item(shop_id)) context_cache.bump_cache_for_item(cache_utils.get_newest_products_cache_item(shop_id)) context_cache.bump_cache_for_item(cache_utils.get_products_for_category_cache_item(shop_id)) context_cache.bump_cache_for_item(cache_utils.get_random_products_cache_item(shop_id)) shop_id = kwargs.get("shop_id", None) if not shop_id: for shop_id in Shop.objects.values_list("id", flat=True): bump_cache_for_shop_id(shop_id) else: bump_cache_for_shop_id(shop_id) bump_product_queryset_cache()
[docs]def handle_manufacturer_post_save(sender, instance, **kwargs): """ Everytime a manufacturer gets saved, we bump our caches for manufacturer's shop or all shops """ if instance.shops.exists(): for shop in instance.shops.only("pk").all(): context_cache.bump_cache_for_item(cache_utils.get_all_manufacturers_cache_item(shop)) else: # worst scenario ever for shop in Shop.objects.only("pk").all(): context_cache.bump_cache_for_item(cache_utils.get_all_manufacturers_cache_item(shop))
[docs]def bump_instance_thumbnail_cache(sender, instance, **kwargs): cache_namespace = "thumbnail_{}_{}".format(instance.pk, instance.__class__.__name__) cache.bump_version(cache_namespace)
[docs]def handle_cross_sell_post_save(sender, instance, **kwargs): shop_ids = list( ShopProduct.objects.filter(product__in=[instance.product1, instance.product2]) .values_list("shop", flat=True) .distinct() ) for shop_id in shop_ids: context_cache.bump_cache_for_item(cache_utils.get_cross_sells_cache_item(shop_id))
post_save.connect(bump_instance_thumbnail_cache, sender=ProductMedia) post_save.connect(bump_instance_thumbnail_cache, sender=Image) post_save.connect(handle_manufacturer_post_save, sender=Manufacturer) post_save.connect(handle_cross_sell_post_save, sender=ProductCrossSell)