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You can use catalog_product_save_after, checkout_submit_all_after ,cataloginventory_stock_revert_products_sale, sales_order_item_cancel(Depending) and get the stock status. You can even check for that product attribute value is as desired out of stock and that out of stock do nothing else update the attribute value .
Put this events.xml in below path
app\code\YOUR_NAMESPACE\YOURMODULE\etc\
<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Event/etc/events.xsd">
<event name="catalog_product_save_after">
<observer name="test_name" instance="YOUR_NAMESPACE\YOUR_MODULENAME\Observer\Productsaveafter" />
</event>
</config>
And put your Productsaveafter.php in below path
app\code\YOUR_NAMESPACE\YOURMODULE\Observer\
<?php
namespace YOURNAMESPACE\YOURMODULENAME\Observer;
use Magento\Framework\Event\ObserverInterface;
class Productsaveafter implements ObserverInterface
{public function execute(\Magento\Framework\Event\Observer $observer)
{$_product = $observer->getProduct(); // you will get product object and you can check for stock and attribute values here
}
}
正文完